{"id":20015,"date":"2024-12-14T13:48:51","date_gmt":"2024-12-14T16:48:51","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=20015"},"modified":"2024-12-14T13:48:52","modified_gmt":"2024-12-14T16:48:52","slug":"refrigeracao-por-ciclo-a-vapor","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/refrigeracao-por-ciclo-a-vapor\/","title":{"rendered":"Refrigera\u00e7\u00e3o por Ciclo a Vapor"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A refrigera\u00e7\u00e3o por ciclo a vapor utiliza os mesmos princ\u00edpios de funcionamento dos refrigeradores dom\u00e9sticos, com o objetivo de resfriar o ar na cabine. Este sistema \u00e9 baseado no resfriamento causado pela evapora\u00e7\u00e3o de um l\u00edquido refrigerante, que absorve calor ao transformar-se em vapor. Atualmente, o refrigerante mais utilizado \u00e9 o <strong>R-134a (tetrafluoretano)<\/strong>, substituto do Freon, que foi proibido por seu impacto nocivo \u00e0 camada de oz\u00f4nio.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Funcionamento do Ciclo a Vapor<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">O ciclo opera em quatro etapas principais, utilizando os seguintes componentes:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"569\" height=\"221\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-194.png\" alt=\"\" class=\"wp-image-20016\" srcset=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-194.png 569w, https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-194-300x117.png 300w\" sizes=\"auto, (max-width: 569px) 100vw, 569px\" \/><figcaption class=\"wp-element-caption\">Livro Aeronaves e Motores \u2013 Conhecimentos T\u00e9cnicos de Avi\u00e3o \u2013 Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Compressor<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o<\/strong>: Comprime o g\u00e1s refrigerante R-134a, aumentando sua press\u00e3o e temperatura.<\/li>\n\n\n\n<li><strong>Sa\u00edda<\/strong>: O refrigerante deixa o compressor como um g\u00e1s quente de alta press\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Condensador<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o<\/strong>: Resfria o g\u00e1s quente, transferindo seu calor para o ambiente externo.<\/li>\n\n\n\n<li><strong>Sa\u00edda<\/strong>: O g\u00e1s se condensa, tornando-se um l\u00edquido sob alta press\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>V\u00e1lvula de Expans\u00e3o<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o<\/strong>: Reduz a press\u00e3o do refrigerante l\u00edquido ao restringir seu fluxo.<\/li>\n\n\n\n<li><strong>Sa\u00edda<\/strong>: O l\u00edquido refrigerante sai da v\u00e1lvula em um fluxo fino e entra no evaporador.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Evaporador<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o<\/strong>: No evaporador, a baixa press\u00e3o faz o l\u00edquido refrigerante &#8220;ferver a frio&#8221;, ou seja, evaporar rapidamente, causando um resfriamento intenso.<\/li>\n\n\n\n<li><strong>Processo<\/strong>:\n<ul class=\"wp-block-list\">\n<li>O ar quente da cabine passa pelas alhetas geladas do evaporador, transferindo seu calor para o refrigerante.<\/li>\n\n\n\n<li>Isso resfria o ar, que \u00e9 ent\u00e3o direcionado de volta para a cabine.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Resultado<\/strong>: O refrigerante volta ao estado gasoso e \u00e9 sugado novamente pelo compressor, reiniciando o ciclo.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Vantagens do R-134a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u00e3o agride a camada de oz\u00f4nio.<\/li>\n\n\n\n<li>\u00c9 eficiente e seguro para sistemas de refrigera\u00e7\u00e3o em aeronaves e outros ambientes fechados.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A refrigera\u00e7\u00e3o por ciclo a vapor utiliza os mesmos princ\u00edpios de funcionamento dos refrigeradores dom\u00e9sticos, com o objetivo de resfriar o ar na cabine. Este sistema \u00e9 baseado no resfriamento causado pela evapora\u00e7\u00e3o de um l\u00edquido refrigerante, que absorve calor ao transformar-se em vapor. Atualmente, o refrigerante mais utilizado \u00e9 o R-134a (tetrafluoretano), substituto do [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","class_list":["post-20015","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Refrigera\u00e7\u00e3o por Ciclo a Vapor - HANGAR MMA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hangarmma.com.br\/blog\/refrigeracao-por-ciclo-a-vapor\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refrigera\u00e7\u00e3o por Ciclo a Vapor - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"A refrigera\u00e7\u00e3o por ciclo a vapor utiliza os mesmos princ\u00edpios de funcionamento dos refrigeradores dom\u00e9sticos, com o objetivo de resfriar o ar na cabine. Este sistema \u00e9 baseado no resfriamento causado pela evapora\u00e7\u00e3o de um l\u00edquido refrigerante, que absorve calor ao transformar-se em vapor. 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