{"id":40497,"date":"2021-04-24T10:59:46","date_gmt":"2021-04-24T13:59:46","guid":{"rendered":"https:\/\/www.antonioguilherme.web.br.com\/blog\/?page_id=40497"},"modified":"2023-05-17T10:22:17","modified_gmt":"2023-05-17T13:22:17","slug":"turbinas-a-gas","status":"publish","type":"page","link":"https:\/\/www.antonioguilherme.web.br.com\/blog\/geracao-de-energia-eletrica\/geracao-termica\/maquinas-termicas\/turbinas-a-gas\/","title":{"rendered":"Turbinas a G\u00e1s"},"content":{"rendered":"<p style=\"text-align: right;\" align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 14pt;\">&#8220;<em><strong>Claramente, existem muitos lugares onde o diesel \u00e9 o rei ou a turbina a g\u00e1s \u00e9 o rei, ou os motores CI vencer\u00e3o, mas h\u00e1 muitos lugares no mundo onde, como vimos, eles simplesmente n\u00e3o far\u00e3o o trabalho. A vers\u00e3o moderna do motor Stirling tem algumas caracter\u00edsticas muito, muito atraentes, e estamos tentando otimiz\u00e1-la para algumas dessas aplica\u00e7\u00f5es.<\/strong><\/em>&#8220;<\/span><\/p>\n<div class=\"quoteContent\">\n<div class=\"bq_fq bq_fq_lrg qt-fnt bq-smpl-qt\">\n<p class=\"bq_fq_a\" style=\"text-align: right;\"><a class=\"qa_596247 oncl_a\" href=\"https:\/\/www.brainyquote.com\/authors\/dean-kamen-quotes\" target=\"_blank\" rel=\"noopener\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 14pt;\">Dean Kamen<\/span><\/a><\/p>\n<\/div>\n<\/div>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">O desenvolvimento das turbinas a g\u00e1s come\u00e7ou paralelamente ao desenvolvimento do motor a vapor. <\/span><span style=\"font-family: verdana, geneva, sans-serif;\">A primeira patente relativa ao antecessor da moderna turbina a g\u00e1s foi concedida em 1791.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">No entanto, a turbina a vapor se difundiu no mercado enquanto a turbina a g\u00e1s enfrentou problemas tecnol\u00f3gicos decorrentes da falta conhecimentos sobre aerodin\u00e2mica, necess\u00e1rios para o projeto de compressores eficientes, e decorrentes da inexist\u00eancia de materiais adequados para resistir \u00e0s altas temperaturas.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Somente a partir da d\u00e9cada de 30, a turbina a g\u00e1s se tornou um produto comercial impulsionada pela ind\u00fastria aeron\u00e1utica em desenvolver propuls\u00e3o com menor rela\u00e7\u00e3o peso\/pot\u00eancia.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Atualmente, as turbinas a g\u00e1s s\u00e3o classificadas, de acordo com a aplica\u00e7\u00e3o, em:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Industriais;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Aeroderivativas.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">As turbinas industriais s\u00e3o mais robustas e podem ser encontradas com pot\u00eancias entre 10 kW e 350MW.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Quando comparadas com as turbinas aeroderivativas, as turbinas industriais apresentam as seguintes caracter\u00edsticas:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais pesadas;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais robustas;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Menos eficientes;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Menor taxa de compress\u00e3o;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Maior temperatura de exaust\u00e3o maior;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Manuten\u00e7\u00e3o mais simples;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais baratas;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Exemplos:\u00a0<a href=\"https:\/\/youtu.be\/ZwSdgKV8SJE\" target=\"_blank\" rel=\"noopener\">Solar,<\/a>\u00a0<a href=\"http:\/\/www.gepower.com\/home\/index.htm\" target=\"_blank\" rel=\"noopener\">GE Frame,<\/a> <a href=\"https:\/\/youtu.be\/uyiX8u1z92k\" target=\"_blank\" rel=\"noopener\">Como Funciona<\/a>.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Conforme o nome j\u00e1 diz, as turbinas a g\u00e1s aeroderivativas se baseiam nas turbinas de avi\u00e3o.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Quando comparadas com as turbinas industriais, as\u00a0 aeroderivativas apresentam as seguintes caracter\u00edsticas:<\/span><\/p>\n<div>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais leves;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais barulhentas;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais eficientes;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Maior taxa de compress\u00e3o;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Menor temperatura de exaust\u00e3o;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Manuten\u00e7\u00e3o mais complexa e na f\u00e1brica;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Mais caras;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Exemplo: GE LM series.<\/span><\/p>\n<\/div>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Com rela\u00e7\u00e3o aos aspectos construtivos, as turbinas a g\u00e1s se classificam em:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Eixo Simples;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Eixo Duplo;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Compressor Dual;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Regenerador;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Resfriador Intermedi\u00e1rio;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2 id='funcionamento-das-turbinas-g\u00e1s'  id=\"boomdevs_1\" align=\"justify\">Funcionamento das Turbinas G\u00e1s<\/h2>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Toda turbina a g\u00e1s consiste basicamente em um compressor, uma c\u00e2mara de combust\u00e3o e uma turbina, conforme mostra a Figura 1.<\/span><\/p>\n<figure id=\"attachment_40608\" aria-describedby=\"caption-attachment-40608\" style=\"width: 4267px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1.png\"><img decoding=\"async\" class=\"wp-image-40608 size-full\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1.png\" alt=\"\" width=\"4267\" height=\"3200\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1.png 4267w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-300x225.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1024x768.png 1024w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-768x576.png 768w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1536x1152.png 1536w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-2048x1536.png 2048w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1200x900.png 1200w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1980x1485.png 1980w\" sizes=\"(max-width: 4267px) 100vw, 4267px\" \/><\/a><figcaption id=\"caption-attachment-40608\" class=\"wp-caption-text\">Figura 1. Turbina a g\u00e1s<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">O compressor eleva a press\u00e3o do ar entregue \u00e0 c\u00e2mara de combust\u00e3o utilizando parte do trabalho mec\u00e2nico da turbina.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Por sua vez, o combust\u00edvel queimado na c\u00e2mara de combust\u00e3o fornece energia em temperatura elevada.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Estes gases aquecidos entram na turbina e se expandem realizando trabalho mec\u00e2nico, que aciona o compressor e a carga.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Finalmente, os gases da sa\u00edda da turbina fluem para a atmosfera que os esfria.<\/span><\/p>\n<h3 id='ciclo-brayton'  id=\"boomdevs_2\"><span style=\"font-family: verdana, geneva, sans-serif;\">Ciclo Brayton<\/span><\/h3>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Considerando a turbina a g\u00e1s como sendo uma m\u00e1quina t\u00e9rmica ideal, a Figura 2 mostra os quatro processos envolvidos no seu funcionamento:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Compress\u00e3o Isentr\u00f3pica, 1-2;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Adi\u00e7\u00e3o de calor a press\u00e3o constante, 2-3;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Expans\u00e3o Isentr\u00f3pica, 3-4;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Retirada de calor a press\u00e3o constante, 4-1.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure style=\"width: 730px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"http:\/\/www.antonioguilherme.web.br.com\/Images\/diagrama%20brayton.gif\" alt=\"\" width=\"730\" height=\"411\" \/><figcaption class=\"wp-caption-text\">Figura 2. Diagramas termodin\u00e2micos da turbina a g\u00e1s<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Este ciclo se assemelha ao ciclo de Rankine porque possui duas etapas isentr\u00f3picas e duas isob\u00e1ricas. <\/span><\/p>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Por\u00e9m, a grande diferen\u00e7a consiste no flu\u00eddo de trabalho e seu estado. No ciclo Rankine o flu\u00eddo de trabalho &#8211; \u00e1gua- muda de fase, mas na turbina a g\u00e1s o flu\u00eddo de trabalho &#8211; ar e gases da combust\u00e3o &#8211; se mant\u00e9m no estado gasoso todo o tempo.<\/span><\/p>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Denomina-se este ciclo termodin\u00e2mico de ciclo Brayton, que considera as seguintes hip\u00f3teses:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">O flu\u00eddo de trabalho \u00e9 um g\u00e1s perfeito com calor espec\u00edfico e composi\u00e7\u00e3o constantes;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Os processos de compress\u00e3o e expans\u00e3o s\u00e3o revers\u00edveis, isentr\u00f3picos e adiab\u00e1ticos;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">As parcelas de energia cin\u00e9tica s\u00e3o desprez\u00edveis;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">N\u00e3o existem perdas de press\u00e3o;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">O fluxo de massa \u00e9 constante em todo o ciclo;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">O processo de combust\u00e3o \u00e9 representado por um processo de transfer\u00eancia de calor a partir de uma fonte quente;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">O ciclo se completa atrav\u00e9s da transfer\u00eancia de calor para o meio ambiente &#8211; a fonte fria;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Todos os processos s\u00e3o revers\u00edveis;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Portanto, pode-se aplicar os conceitos b\u00e1sicos desenvolvidos no Cap\u00edtulo de <a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/geracao-a-vapor\/\">Gera\u00e7\u00e3o a Vapor<\/a>.<\/span><\/p>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">A Equa\u00e7\u00e3o 1, apresentada no Cap\u00edtulo Gera\u00e7\u00e3o a Vapor, fornece a efici\u00eancia do ciclo.<\/span><\/p>\n<figure id=\"attachment_40610\" aria-describedby=\"caption-attachment-40610\" style=\"width: 348px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG.png\"><img decoding=\"async\" class=\"wp-image-40610 size-full\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG.png\" alt=\"\" width=\"348\" height=\"99\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG.png 348w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG-300x85.png 300w\" sizes=\"(max-width: 348px) 100vw, 348px\" \/><\/a><figcaption id=\"caption-attachment-40610\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 1. Rendimento do ciclo Brayton<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Onde:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">\u03b7 \u00e9 o rendimento;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">w<sub>liq<\/sub> \u00e9 o trabalho l\u00edquido realizado pela m\u00e1quina;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">q<sub>h<\/sub> \u00e9 o calor fornecido pela fonte quente;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">q<sub>l<\/sub> \u00e9 o calor fornecido pela fonte fria;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure id=\"attachment_40609\" aria-describedby=\"caption-attachment-40609\" style=\"width: 4267px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1.png\"><img decoding=\"async\" class=\"wp-image-40609 size-full\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1.png\" alt=\"\" width=\"4267\" height=\"3200\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1.png 4267w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-300x225.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-1024x768.png 1024w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-768x576.png 768w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-1536x1152.png 1536w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-2048x1536.png 2048w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-1200x900.png 1200w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/TG_1-1-1980x1485.png 1980w\" sizes=\"(max-width: 4267px) 100vw, 4267px\" \/><\/a><figcaption id=\"caption-attachment-40609\" class=\"wp-caption-text\">Figura 3. Modelo da turbina a g\u00e1s<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Contudo, como o fluido de trabalho se encontra sempre na fase gasosa e o considerando um g\u00e1s ideal com <a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/materiais-eletricos-e-magneticos\/propriedades-termicas\/calor-especifico\/\">Calor Espec\u00edfico<\/a> constante, a Equa\u00e7\u00e3o 2 fornece o rendimento em fun\u00e7\u00e3o das entalpias.<\/span><\/p>\n<figure id=\"attachment_40613\" aria-describedby=\"caption-attachment-40613\" style=\"width: 445px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_1.png\"><img decoding=\"async\" class=\"size-full wp-image-40613\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_1.png\" alt=\"\" width=\"445\" height=\"96\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_1.png 445w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_1-300x65.png 300w\" sizes=\"(max-width: 445px) 100vw, 445px\" \/><\/a><figcaption id=\"caption-attachment-40613\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 2. Rendimento da Turbina em fun\u00e7\u00e3o das Entalpias<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Onde:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">h<sub>i<\/sub> \u00e9 a entalpia espec\u00edfica no ponto i;<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">De acordo com a termodin\u00e2mica e considerando o calor espec\u00edfico constante, a varia\u00e7\u00e3o de entalpia depende apenas da diferen\u00e7a de temperatura e do calor espec\u00edfico do fluido de trabalho, conforme mostra a Equa\u00e7\u00e3o 3.<\/span><\/p>\n<figure id=\"attachment_40614\" aria-describedby=\"caption-attachment-40614\" style=\"width: 413px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/Delta_H_TG.png\"><img decoding=\"async\" class=\"size-full wp-image-40614\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/Delta_H_TG.png\" alt=\"\" width=\"413\" height=\"53\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/Delta_H_TG.png 413w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/Delta_H_TG-300x38.png 300w\" sizes=\"(max-width: 413px) 100vw, 413px\" \/><\/a><figcaption id=\"caption-attachment-40614\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 3. Varia\u00e7\u00e3o de entalpia em gases ideais<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Onde:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">Cp \u00e9 o calor espec\u00edfico a press\u00e3o constante.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Substituindo a Equa\u00e7\u00e3o 3 na equa\u00e7\u00e3o 2, obt\u00e9m-se a seguinte express\u00e3o:<\/span><\/p>\n<figure id=\"attachment_40618\" aria-describedby=\"caption-attachment-40618\" style=\"width: 434px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_2.png\"><img decoding=\"async\" class=\"size-full wp-image-40618\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_2.png\" alt=\"\" width=\"434\" height=\"314\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_2.png 434w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_2-300x217.png 300w\" sizes=\"(max-width: 434px) 100vw, 434px\" \/><\/a><figcaption id=\"caption-attachment-40618\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 4. Rendimento da Turbina a g\u00e1s em fun\u00e7\u00e3o das temperaturas<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Como as press\u00f5es de admiss\u00e3o e exaust\u00e3o da turbina se igualam \u00e0 press\u00e3o atmosf\u00e9rica, a queda de press\u00e3o na turbina deve se igualar ao aumento de press\u00e3o no compressor. <span id='easy-footnote-1-40497' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/geracao-de-energia-eletrica\/geracao-termica\/maquinas-termicas\/turbinas-a-gas\/#easy-footnote-bottom-1-40497\" title=\" considerando a turbina ideal sem quedas internas de press\u00e3o. \"><sup>1<\/sup><\/a><\/span> Desta maneira, a taxa de compress\u00e3o na turbina ser\u00e1 dada pela Equa\u00e7\u00e3o 5.<\/span><\/p>\n<figure id=\"attachment_40622\" aria-describedby=\"caption-attachment-40622\" style=\"width: 170px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_3.png\"><img decoding=\"async\" class=\"size-full wp-image-40622\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_3.png\" alt=\"\" width=\"170\" height=\"92\" \/><\/a><figcaption id=\"caption-attachment-40622\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 5. Rela\u00e7\u00e3o de press\u00e3o<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">A Equa\u00e7\u00e3o 6 fornece a varia\u00e7\u00e3o de entropia no compressor para gases ideais.<\/span><\/p>\n<figure id=\"attachment_40624\" aria-describedby=\"caption-attachment-40624\" style=\"width: 663px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG.png\"><img decoding=\"async\" class=\"size-full wp-image-40624\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG.png\" alt=\"\" width=\"663\" height=\"99\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG.png 663w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG-300x45.png 300w\" sizes=\"(max-width: 663px) 100vw, 663px\" \/><\/a><figcaption id=\"caption-attachment-40624\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 6 Varia\u00e7\u00e3o de entropia no compressor<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Rearrumando a Equa\u00e7\u00e3o 6, obt\u00e9m-se a rela\u00e7\u00e3o entre as rela\u00e7\u00f5es de press\u00e3o e temperatura no compressor.<\/span><\/p>\n<figure id=\"attachment_40626\" aria-describedby=\"caption-attachment-40626\" style=\"width: 274px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG_1.png\"><img decoding=\"async\" class=\"size-full wp-image-40626\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG_1.png\" alt=\"\" width=\"274\" height=\"114\" \/><\/a><figcaption id=\"caption-attachment-40626\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 7. Rela\u00e7\u00e3o entre as rela\u00e7\u00f5es de temperatura e press\u00e3o<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">A Equa\u00e7\u00e3o 8 apresenta a rela\u00e7\u00e3o entre a constante dos Gases &#8211; R &#8211; e o <a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/materiais-eletricos-e-magneticos\/propriedades-termicas\/calor-especifico\/\">Calor Espec\u00edfico<\/a> a Press\u00e3o Constante de um g\u00e1s ideal &#8211; C<sub>p0<\/sub>.<\/span><\/p>\n<figure id=\"attachment_40627\" aria-describedby=\"caption-attachment-40627\" style=\"width: 465px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/CpoCv0.png\"><img decoding=\"async\" class=\"size-full wp-image-40627\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/CpoCv0.png\" alt=\"\" width=\"465\" height=\"247\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/CpoCv0.png 465w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/CpoCv0-300x159.png 300w\" sizes=\"(max-width: 465px) 100vw, 465px\" \/><\/a><figcaption id=\"caption-attachment-40627\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 8. Rela\u00e7\u00e3o entre calores espec\u00edficos de g\u00e1s ideal<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Onde:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">R \u00e9 a constante universal dos gases;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">C<sub>p0<\/sub> \u00e9 calor espec\u00edfico a press\u00e3o constante;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">C<sub>v0<\/sub> \u00e9 o calor espec\u00edfico a volume constante.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">A partir da Equa\u00e7\u00e3o 7, obt\u00e9m-se-se a rela\u00e7\u00e3o entre temperatura e press\u00e3o na turbina considerando o ar um g\u00e1s ideal. <span id='easy-footnote-2-40497' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/geracao-de-energia-eletrica\/geracao-termica\/maquinas-termicas\/turbinas-a-gas\/#easy-footnote-bottom-2-40497\" title=\" k=1,4 para o ar considerado ideal\"><sup>2<\/sup><\/a><\/span><\/span><\/p>\n<figure id=\"attachment_40628\" aria-describedby=\"caption-attachment-40628\" style=\"width: 274px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG_2.png\"><img decoding=\"async\" class=\"size-full wp-image-40628\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/entrop_TG_2.png\" alt=\"\" width=\"274\" height=\"114\" \/><\/a><figcaption id=\"caption-attachment-40628\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 9. Rela\u00e7\u00e3o entre as rela\u00e7\u00f5es de temperatura e press\u00e3o<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">A partir das Equa\u00e7\u00f5es 9 e 5, mostra-se que T<sub>3<\/sub>\/T<sub>2<\/sub>=T<sub>4<\/sub>\/T<sub>1<\/sub>. <\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Substituindo esta rela\u00e7\u00e3o na Equa\u00e7\u00e3o 4, obt\u00e9m-se o rendimento da turbina a g\u00e1s a partir apenas das press\u00f5es P<sub>1<\/sub> e P<sub>2<\/sub> de acordo com a Equa\u00e7\u00e3o 10.\u00a0<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Observa-se que esse rendimento depende apenas da rela\u00e7\u00e3o de compress\u00e3o do compressor. Quanto maior a taxa de compress\u00e3o, maior o rendimento.<\/span><\/p>\n<figure id=\"attachment_40642\" aria-describedby=\"caption-attachment-40642\" style=\"width: 479px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_4.png\"><img decoding=\"async\" class=\"size-full wp-image-40642\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_4.png\" alt=\"\" width=\"479\" height=\"148\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_4.png 479w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/rend_TG_4-300x93.png 300w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/a><figcaption id=\"caption-attachment-40642\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 10, Rendimento do ciclo Brayton<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">A Equa\u00e7\u00e3o 11 apresenta o trabalho no compressor e na turbina.<\/span><\/p>\n<figure id=\"attachment_40645\" aria-describedby=\"caption-attachment-40645\" style=\"width: 238px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG.png\"><img decoding=\"async\" class=\"size-full wp-image-40645\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG.png\" alt=\"\" width=\"238\" height=\"144\" \/><\/a><figcaption id=\"caption-attachment-40645\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 11. Trabalho no compressor e na turbina<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Substituindo a Equa\u00e7\u00e3o 3 na Equa\u00e7\u00e3o 11, obt\u00e9m-se a Equa\u00e7\u00e3o 12.<\/span><\/p>\n<figure id=\"attachment_40646\" aria-describedby=\"caption-attachment-40646\" style=\"width: 699px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_1.png\"><img decoding=\"async\" class=\"size-full wp-image-40646\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_1.png\" alt=\"\" width=\"699\" height=\"249\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_1.png 699w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_1-300x107.png 300w\" sizes=\"(max-width: 699px) 100vw, 699px\" \/><\/a><figcaption id=\"caption-attachment-40646\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 12. Trabalho no compressor e na turbina em fun\u00e7\u00e3o das temperaturas<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Substituindo a Equa\u00e7\u00e3o 9 na Equa\u00e7\u00e3o 12, obt\u00e9m-se a Equa\u00e7\u00e3o 13.<\/span><\/p>\n<figure id=\"attachment_40648\" aria-describedby=\"caption-attachment-40648\" style=\"width: 902px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_2.png\"><img decoding=\"async\" class=\"size-full wp-image-40648\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_2.png\" alt=\"\" width=\"902\" height=\"382\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_2.png 902w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_2-300x127.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_2-768x325.png 768w\" sizes=\"(max-width: 902px) 100vw, 902px\" \/><\/a><figcaption id=\"caption-attachment-40648\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 13. Trabalho no compressor e na turbina em fun\u00e7\u00e3o das temperaturas e da rela\u00e7\u00e3o de press\u00e3o.<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Substituindo a Equa\u00e7\u00e3o 5 na Equa\u00e7\u00e3o 13, obt\u00e9m-se a seguinte express\u00e3o:<\/span><\/p>\n<figure id=\"attachment_40651\" aria-describedby=\"caption-attachment-40651\" style=\"width: 542px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_3.png\"><img decoding=\"async\" class=\"size-full wp-image-40651\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_3.png\" alt=\"\" width=\"542\" height=\"382\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_3.png 542w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_3-300x211.png 300w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/a><figcaption id=\"caption-attachment-40651\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 14. Trabalho no compressor e na turbina em fun\u00e7\u00e3o da rela\u00e7\u00e3o de press\u00e3o.<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Por isso, o projeto das turbinas a g\u00e1s apresenta dois par\u00e2metros b\u00e1sicos:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">a taxa de compress\u00e3o &#8211; r<sub>c<\/sub>;<\/span><\/li>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">e coeficiente de temperatura &#8211; t.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">A Equa\u00e7\u00e3o 15 fornece a defini\u00e7\u00f5es desses par\u00e2metros.<\/span><\/p>\n<figure id=\"attachment_40503\" aria-describedby=\"caption-attachment-40503\" style=\"width: 161px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/relacoes_tgas.png\"><img decoding=\"async\" class=\"size-full wp-image-40503\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/relacoes_tgas.png\" alt=\"\" width=\"161\" height=\"231\" \/><\/a><figcaption id=\"caption-attachment-40503\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 15. Par\u00e2metros da turbina a g\u00e1s<\/figcaption><\/figure>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Onde a taxa de compress\u00e3o consiste na rela\u00e7\u00e3o entre a press\u00e3o na sa\u00edda e na entrada do compressor e o coeficiente de temperatura na rela\u00e7\u00e3o entre a temperatura na sa\u00edda da c\u00e2mara de combust\u00e3o e a temperatura do ar na entrada do compressor, em graus Kelvin.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">As turbinas aeroderivativas apresentam taxa de compress\u00e3o entre 20 e 30 e o coeficiente de temperatura entre 5 e 5,5.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Em todos os casos, a temperatura m\u00e1xima se limita \u00e0 suportabilidade t\u00e9rmica dos materiais utilizados, que hoje se encontra na ordem de 1 500 \u00b0C.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: verdana, geneva, sans-serif;\">Utilizando a Equa\u00e7\u00e3o 15 e a Equa\u00e7\u00e3o 14, calcula-se o trabalho l\u00edquido disponibilizado pela turbina da seguinte maneira:<\/span><\/p>\n<p><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_4.png\"><img decoding=\"async\" class=\"size-full wp-image-40652\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_4.png\" alt=\"\" width=\"832\" height=\"51\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_4.png 832w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_4-300x18.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_4-768x47.png 768w\" sizes=\"(max-width: 832px) 100vw, 832px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_5.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-40654\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_5.png\" alt=\"\" width=\"755\" height=\"227\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_5.png 755w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_5-300x90.png 300w\" sizes=\"(max-width: 755px) 100vw, 755px\" \/><\/a><\/p>\n<figure id=\"attachment_40655\" aria-describedby=\"caption-attachment-40655\" style=\"width: 904px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_6.png\"><img decoding=\"async\" class=\"size-full wp-image-40655\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_6.png\" alt=\"\" width=\"904\" height=\"461\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_6.png 904w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_6-300x153.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_6-768x392.png 768w\" sizes=\"(max-width: 904px) 100vw, 904px\" \/><\/a><figcaption id=\"caption-attachment-40655\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 16. Trabalho l\u00edquido em fun\u00e7\u00e3o do rendimento<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">O segundo termo da Equa\u00e7\u00e3o 16 requer simplifica\u00e7\u00e3o alg\u00e9brica conforme a Equa\u00e7\u00e3o abaixo.<\/span><\/p>\n<figure id=\"attachment_40656\" aria-describedby=\"caption-attachment-40656\" style=\"width: 416px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_7.png\"><img decoding=\"async\" class=\"size-full wp-image-40656\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_7.png\" alt=\"\" width=\"416\" height=\"103\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_7.png 416w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_7-300x74.png 300w\" sizes=\"(max-width: 416px) 100vw, 416px\" \/><\/a><figcaption id=\"caption-attachment-40656\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 17. Simplifica\u00e7\u00e3o alg\u00e9brica<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">Aplicando a simplifica\u00e7\u00e3o da Equa\u00e7\u00e3o 17 na Equa\u00e7\u00e3o 16, obt\u00e9m-se a Equa\u00e7\u00e3o 18, que determina o trabalho l\u00edquido disponibilizado pela turbina e o rendimento.<\/span><\/p>\n<figure id=\"attachment_40659\" aria-describedby=\"caption-attachment-40659\" style=\"width: 474px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_8.png\"><img decoding=\"async\" class=\"size-full wp-image-40659\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_8.png\" alt=\"\" width=\"474\" height=\"407\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_8.png 474w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/05\/trab_TG_8-300x258.png 300w\" sizes=\"(max-width: 474px) 100vw, 474px\" \/><\/a><figcaption id=\"caption-attachment-40659\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 18. Trabalho l\u00edquido e efici\u00eancia do ciclo Brayton<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Onde:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">C<sub>p<\/sub>\u00a0\u00e9 o\u00a0<a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/materiais-eletricos-e-magneticos\/propriedades-termicas\/calor-especifico\/\">calor espec\u00edfico<\/a>\u00a0a press\u00e3o constante;<\/span><\/li>\n<li class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">C<sub>v<\/sub>\u00a0\u00e9 o calor espec\u00edfico a volume constante;<\/span><\/li>\n<li class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">\u03b7<sub>t<\/sub>\u00a0\u00e9 o rendimento t\u00e9rmico;<\/span><\/li>\n<li class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">w<sub>liq<\/sub> \u00e9 o trabalho l\u00edquido<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Deve-se observar que o rendimento depende apenas da rela\u00e7\u00e3o de press\u00e3o e do calor espec\u00edfico e o trabalho depende tamb\u00e9m da rela\u00e7\u00e3o de temperatura.<\/span><\/p>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Estas express\u00f5es foram deduzidas considerando calor espec\u00edfico constante e o g\u00e1s ideal.<\/span><\/p>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Conforme mostra a Figura 3, o calor espec\u00edfico do ar n\u00e3o pode ser considerado constante entre a temperatura ambiente e a temperatura m\u00e1xima da turbina. Esta varia\u00e7\u00e3o, de aproximadamente 16%, tem algum impacto nas an\u00e1lises anteriores.<\/span><\/p>\n<p style=\"text-align: center;\">\n<div class=\"wdt-wrapper-chart-loader\" data-id=\"71\"\n     style=\"height: 600px;\">\n    <div class=\"wdt-main-item\">\n                <div class=\"wdt-chart-animated-background\" style=\"height: 150px\">\n            <div class=\"wdt-background-masker wdt-btn-divide-left wdt-chart-one\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-2\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-3\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-4 wdt-chart-three\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-5\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-6\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-7 \"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-8\"><\/div>\n        <\/div>\n        <div class=\"wdt-chart-animated-background\" style=\"height: 150px\">\n            <div class=\"wdt-background-masker wdt-btn-divide-left\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-2 wdt-chart-two\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-3\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-4\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-5 wdt-chart-four\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-6\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-7\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-8\"><\/div>\n        <\/div>\n        <div class=\"wdt-chart-animated-background\" style=\"height: 150px\">\n            <div class=\"wdt-background-masker wdt-btn-divide-left\"><\/div>\n            <div 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class=\"wdt-background-masker wdt-btn-divide-left-5\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-6\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-7\"><\/div>\n            <div class=\"wdt-background-masker wdt-btn-divide-left-8\"><\/div>\n        <\/div>\n        <div class=\"wdt-static-background\">\n            <div class=\"wdt-background-masker\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n<style>\n    \n<\/style>    <script type=\"text\/javascript\">\n        if (typeof (wpDataCharts) == 'undefined') wpDataCharts = {};\n        wpDataCharts[71] = {\n            render_data: {\"wdtNumberFormat\":\"1\",\"options\":{\"title\":{\"text\":\"Calor Espec\\u00edfico do 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Calor espec\u00edfico do ar.<\/span><\/p>\n<hr \/>\n<h5 id='exemplo-1'  id=\"boomdevs_3\" class=\"newStyle5\">Exemplo #1<\/h5>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Considerando a Figura 4, o ar entra no compressor da turbina a g\u00e1s com press\u00e3o de 0,1 Mpa e temperatura de 15 \u00b0C. <\/span><\/p>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">O compressor fornece ar comprimido a 1Mpa e a temperatura m\u00e1xima na c\u00e2mara de combust\u00e3o \u00e9 de 1100 \u00b0C.<\/span><\/p>\n<p class=\"newStyle5\"><span class=\"newStyle5\" style=\"font-family: Verdana;\">Determine as seguintes grandezas analisando de acordo com as hip\u00f3teses do ciclo Brayton:<\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul class=\"newStyle5\">\n<li><span class=\"newStyle5\" style=\"font-family: Verdana;\">A temperatura e press\u00e3o em todos os pontos do ciclo;<\/span><\/li>\n<li>\n<p class=\"newStyle5\"><span style=\"font-family: Verdana;\">O trabalho no compressor e na turbina;<\/span><\/p>\n<\/li>\n<li>\n<p class=\"newStyle5\"><span class=\"newStyle5\" style=\"font-family: Verdana;\">O rendimento do conjunto.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<figure style=\"width: 886px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" src=\"http:\/\/www.antoniolima.web.br.com\/images\/ex%20turbina.gif\" alt=\"exemplo # 1 turbina a g\u00e1s\" width=\"886\" height=\"500\" \/><figcaption class=\"wp-caption-text\">Figura 4. Turbina Exemplo #1<\/figcaption><\/figure>\n<div id=\"page_content\">\n<div id=\"content\">\n<div id=\"page_content\">\n<div id=\"content\">\n<h6 id='solu\u00e7\u00e3o'  id=\"boomdevs_4\"><span style=\"font-family: verdana, geneva, sans-serif;\">Solu\u00e7\u00e3o<\/span><\/h6>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Por se tratar de <a href=\"http:\/\/www.antoniolima.web.br.com\/arquivos\/entropia%20new.htm#Processos_Isentr%C3%B3picos\" target=\"_blank\" rel=\"noopener\">processo isoentr\u00f3pico, <\/a>a Equa\u00e7\u00e3o 3 fornece a rela\u00e7\u00e3o entre as temperaturas na sa\u00edda do compressor e a temperatura do ar &#8211; pontos 2 e 1.<\/span><\/p>\n<figure id=\"attachment_40526\" aria-describedby=\"caption-attachment-40526\" style=\"width: 573px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_1_1.png\"><img decoding=\"async\" class=\"size-full wp-image-40526\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_1_1.png\" alt=\"\" width=\"573\" height=\"371\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_1_1.png 573w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_1_1-300x194.png 300w\" sizes=\"(max-width: 573px) 100vw, 573px\" \/><\/a><figcaption id=\"caption-attachment-40526\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 3. Temperatura do ar na sa\u00edda do compressor<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">A varia\u00e7\u00e3o da <\/span><span style=\"font-family: verdana, geneva, sans-serif;\">entropia entre os estados 1 e 2 fornece o\u00a0trabalho realizado pelo compressor.<\/span><\/p>\n<figure id=\"attachment_40520\" aria-describedby=\"caption-attachment-40520\" style=\"width: 774px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_2.png\"><img decoding=\"async\" class=\"size-full wp-image-40520\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_2.png\" alt=\"\" width=\"774\" height=\"148\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_2.png 774w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_2-300x57.png 300w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_2-768x147.png 768w\" sizes=\"(max-width: 774px) 100vw, 774px\" \/><\/a><figcaption id=\"caption-attachment-40520\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 4. Trabalho no compressor<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Por sua vez, a Equa\u00e7\u00e3o 5 determina o trabalho realizado pela turbina.<\/span><\/p>\n<figure id=\"attachment_40522\" aria-describedby=\"caption-attachment-40522\" style=\"width: 236px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_3.png\"><img decoding=\"async\" class=\"size-full wp-image-40522\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_3.png\" alt=\"\" width=\"236\" height=\"144\" \/><\/a><figcaption id=\"caption-attachment-40522\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 5. Trabalho na turbina<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Desta maneira, a Equa\u00e7\u00e3o 6 determina a temperatura e o trabalho na sa\u00edda da turbina.<\/span><\/p>\n<p><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_4.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-40523\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_4.png\" alt=\"\" width=\"450\" height=\"359\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_4.png 450w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_4-300x239.png 300w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<figure id=\"attachment_40524\" aria-describedby=\"caption-attachment-40524\" style=\"width: 614px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_5.png\"><img decoding=\"async\" class=\"size-full wp-image-40524\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_5.png\" alt=\"\" width=\"614\" height=\"51\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_5.png 614w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_5-300x25.png 300w\" sizes=\"(max-width: 614px) 100vw, 614px\" \/><\/a><figcaption id=\"caption-attachment-40524\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 6. Trabalho da turbina<\/figcaption><\/figure>\n<p><span style=\"font-family: verdana, geneva, sans-serif;\">O compressor utiliza parte deste trabalho gerado pela turbina e a Equa\u00e7\u00e3o 7 fornece o trabalho mec\u00e2nico l\u00edquido dispon\u00edvel para o gerador.<\/span><\/p>\n<figure id=\"attachment_40528\" aria-describedby=\"caption-attachment-40528\" style=\"width: 726px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_6.png\"><img decoding=\"async\" class=\"wp-image-40528 size-full\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_6.png\" alt=\"\" width=\"726\" height=\"51\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_6.png 726w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_6-300x21.png 300w\" sizes=\"(max-width: 726px) 100vw, 726px\" \/><\/a><figcaption id=\"caption-attachment-40528\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 7. Trabalho l\u00edquido realizado pela turbina<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">O ciclo se completa com o resfriamento dos gases de escape da turbina na atmosfera. Desta maneira, a Equa\u00e7\u00e3o 8 determina o calor rejeitado.<\/span><\/p>\n<figure id=\"attachment_40529\" aria-describedby=\"caption-attachment-40529\" style=\"width: 603px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_7.png\"><img decoding=\"async\" class=\"size-full wp-image-40529\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_7.png\" alt=\"\" width=\"603\" height=\"51\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_7.png 603w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_7-300x25.png 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" \/><\/a><figcaption id=\"caption-attachment-40529\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 8. Trabalho l\u00edquido realizado pela turbina<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Finalmente, determina-se o rendimento t\u00e9rmico do sistema. Para isso, deve-se calcular a quantidade de calor injetado na turbina. Considerando o sistema ideal, a Equa\u00e7\u00e3o 9 fornece o calor injetado na turbina.<\/span><\/p>\n<figure id=\"attachment_40531\" aria-describedby=\"caption-attachment-40531\" style=\"width: 483px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_8.png\"><img decoding=\"async\" class=\"wp-image-40531 size-full\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_8.png\" alt=\"\" width=\"483\" height=\"51\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_8.png 483w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_8-300x32.png 300w\" sizes=\"(max-width: 483px) 100vw, 483px\" \/><\/a><figcaption id=\"caption-attachment-40531\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 9. Calor injetado na turbina<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Finalmente, a Equa\u00e7\u00e3o 10 calcula o rendimento t\u00e9rmico da turbina.<\/span><\/p>\n<figure id=\"attachment_40532\" aria-describedby=\"caption-attachment-40532\" style=\"width: 380px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_9.png\"><img decoding=\"async\" class=\"size-full wp-image-40532\" src=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_9.png\" alt=\"\" width=\"380\" height=\"233\" srcset=\"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_9.png 380w, https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/exemplo_TG_9-300x184.png 300w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/a><figcaption id=\"caption-attachment-40532\" class=\"wp-caption-text\">Equa\u00e7\u00e3o 10. Rendimento da turbina<\/figcaption><\/figure>\n<p class=\"newStyle5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Obt\u00e9m-se esse mesmo valor atrav\u00e9s da Equa\u00e7\u00e3o 2.\u00a0<\/span><\/p>\n<\/div>\n<\/div>\n<div id=\"footer\">\n<h2 id='refer\u00eancias'  id=\"boomdevs_5\"><span style=\"font-family: verdana, geneva, sans-serif;\">Refer\u00eancias<\/span><\/h2>\n<ol>\n<li><span style=\"font-family: verdana, geneva, sans-serif;\">BORGNAKKE, C., SONNTAG, R.E., <strong>Fundamentals of Thermodynamics<\/strong>, 8 ed., Wiley, 2013.<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"footer\">\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Claramente, existem muitos lugares onde o diesel \u00e9 o rei ou a turbina a g\u00e1s \u00e9 o rei, ou os motores CI vencer\u00e3o, mas h\u00e1 muitos lugares no mundo onde, como vimos, eles simplesmente n\u00e3o far\u00e3o o trabalho. A vers\u00e3o moderna do motor Stirling tem algumas caracter\u00edsticas muito, muito atraentes, e estamos tentando otimiz\u00e1-la para [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40502,"parent":4074,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"templates\/template-full-width.php","meta":{"_uag_custom_page_level_css":"","footnotes":""},"class_list":["post-40497","page","type-page","status-publish","has-post-thumbnail","hentry"],"uagb_featured_image_src":{"full":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas.png",1920,428,false],"thumbnail":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-150x150.png",150,150,true],"medium":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-300x67.png",300,67,true],"medium_large":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-768x171.png",580,129,true],"large":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-1024x228.png",580,129,true],"1536x1536":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-1536x342.png",1536,342,true],"2048x2048":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-2048x457.png",2048,457,true],"post-thumbnail":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-1200x268.png",1200,268,true],"twentytwenty-fullscreen":["https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-content\/uploads\/2021\/04\/turbina_gas-1980x441.png",1980,441,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/www.antonioguilherme.web.br.com\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"&#8220;Claramente, existem muitos lugares onde o diesel \u00e9 o rei ou a turbina a g\u00e1s \u00e9 o rei, ou os motores CI vencer\u00e3o, mas h\u00e1 muitos lugares no mundo onde, como vimos, eles simplesmente n\u00e3o far\u00e3o o trabalho. A vers\u00e3o moderna do motor Stirling tem algumas caracter\u00edsticas muito, muito atraentes, e estamos tentando otimiz\u00e1-la para&hellip;","_links":{"self":[{"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/pages\/40497","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/comments?post=40497"}],"version-history":[{"count":56,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/pages\/40497\/revisions"}],"predecessor-version":[{"id":44235,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/pages\/40497\/revisions\/44235"}],"up":[{"embeddable":true,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/pages\/4074"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/media\/40502"}],"wp:attachment":[{"href":"https:\/\/www.antonioguilherme.web.br.com\/blog\/wp-json\/wp\/v2\/media?parent=40497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}