{"id":24097,"date":"2025-02-05T15:28:59","date_gmt":"2025-02-05T18:28:59","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=24097"},"modified":"2025-02-15T11:48:38","modified_gmt":"2025-02-15T14:48:38","slug":"bocal-de-garganta-choke-nozzle-em-motores-de-turbina-a-gas","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/bocal-de-garganta-choke-nozzle-em-motores-de-turbina-a-gas\/","title":{"rendered":"Choke Nozzle em Motores de Turbina"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Bocal de Garganta (Choke Nozzle) em Motores de Turbina a G&#xE1;s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O <strong>bocal de garganta<\/strong> em motores de turbina a g&#xE1;s &#xE9; um componente cr&#xED;tico respons&#xE1;vel por regular a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> dos gases de exaust&#xE3;o. Esse bocal limita a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> do fluxo de gases at&#xE9; atingir a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cae17e9eeb70f29cf6ab6bbfcb38bbbb\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade-do-som\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade-do-som\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade do som<\/a> (Mach 1), criando uma <strong>onda de choque normal<\/strong> que impede maior <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_52de330b9f159b6c3846e78fb14b9bb7\" data-link=\"https:\/\/hangarmma.com.br\/blog\/acelerar\/\" href=\"https:\/\/hangarmma.com.br\/blog\/acelerar\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">acelera&#xE7;&#xE3;o<\/a> do fluxo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nos motores de turbina a g&#xE1;s, existem dois principais tipos de bocais:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Bocal convergente<\/strong> &#x2013; Utilizado quando a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_617bafa94b322b082f5e41b31e5d2200\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ratio\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ratio\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">raz&#xE3;o<\/a> de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> do motor n&#xE3;o &#xE9; alta o suficiente para produzir fluxo supers&#xF4;nico. Esse tipo de bocal aumenta a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> do g&#xE1;s enquanto reduz a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a>.<\/li>\n\n\n\n<li><strong>Bocal convergente-divergente (C-D)<\/strong> &#x2013; Necess&#xE1;rio quando os gases precisam atingir velocidades supers&#xF4;nicas. A parte convergente acelera o fluxo at&#xE9; Mach 1, enquanto a parte divergente continua a expandi-lo para aumentar ainda mais a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> supers&#xF4;nica.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Quando a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> do fluxo de gases &#xE9; suficientemente alta, o bocal convergente por si s&#xF3; n&#xE3;o &#xE9; suficiente, pois os gases atingem Mach 1 na &#x201C;garganta&#x201D; e n&#xE3;o podem acelerar mais sem uma se&#xE7;&#xE3;o divergente. &#xC9; nesse ponto que o <strong>bocal convergente-divergente<\/strong> entra em a&#xE7;&#xE3;o, permitindo que os gases continuem se expandindo e acelerando al&#xE9;m da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cae17e9eeb70f29cf6ab6bbfcb38bbbb\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade-do-som\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade-do-som\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade do som<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A fun&#xE7;&#xE3;o do bocal de garganta &#xE9; crucial para a efici&#xEA;ncia do motor, pois controla a <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd4db4d0098228b04fdb49d475ce176f\" data-link=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/pressao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">press&#xE3;o<\/a> e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_b538845fda1d032e858fa6b8d5d0879c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/velocidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">velocidade<\/a> dos gases de exaust&#xE3;o, influenciando diretamente o empuxo gerado pela turbina. Em motores equipados com p&#xF3;s-combust&#xE3;o, esse bocal pode ser ajust&#xE1;vel para otimizar o fluxo de gases dependendo do regime de opera&#xE7;&#xE3;o da aeronave.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bocal de Garganta (Choke Nozzle) em Motores de Turbina a G\u00e1s O bocal de garganta em motores de turbina a g\u00e1s \u00e9 um componente cr\u00edtico respons\u00e1vel por regular a velocidade dos gases de exaust\u00e3o. Esse bocal limita a velocidade do fluxo de gases at\u00e9 atingir a velocidade do som (Mach 1), criando uma onda de [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-24097","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>Choke Nozzle em Motores de Turbina - 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\/bocal-de-garganta-choke-nozzle-em-motores-de-turbina-a-gas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Choke Nozzle em Motores de Turbina - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Bocal de Garganta (Choke Nozzle) em Motores de Turbina a G\u00e1s O bocal de garganta em motores de turbina a g\u00e1s \u00e9 um componente cr\u00edtico respons\u00e1vel por regular a velocidade dos gases de exaust\u00e3o. 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