{"id":25015,"date":"2025-02-21T14:59:35","date_gmt":"2025-02-21T17:59:35","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=25015"},"modified":"2025-02-21T15:00:05","modified_gmt":"2025-02-21T18:00:05","slug":"low-bypass-ratio","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/low-bypass-ratio\/","title":{"rendered":"Low Bypass Ratio"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Um <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_7ef4483643cf3a0d059959f670da550c\" data-link=\"https:\/\/hangarmma.com.br\/blog\/motor-turbofan\/\" href=\"https:\/\/hangarmma.com.br\/blog\/motor-turbofan\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">motor turbofan<\/a> &#xE9; classificado como &#x201C;low bypass ratio&#x201D; 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> entre o fluxo de ar que passa por fora do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f3b60d1bb888b7e0b1c586d667bd36d4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/motor-core-core-engine\/\" href=\"https:\/\/hangarmma.com.br\/blog\/motor-core-core-engine\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">n&#xFA;cleo do motor<\/a> (bypass flow) e o fluxo que passa por dentro do n&#xFA;cleo (core flow) &#xE9; menor que 2:1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para contextualizar, o bypass ratio &#xE9; uma caracter&#xED;stica fundamental dos motores turbofan que indica quantas vezes o fluxo de ar secund&#xE1;rio (bypass flow) &#xE9; maior que o fluxo prim&#xE1;rio (core flow). Por exemplo, um bypass ratio de 2:1 significa que para cada unidade de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_93bdf45fd9fa5b6ee0cdc0335fbfca07\" data-link=\"https:\/\/hangarmma.com.br\/blog\/massa-2\/\" href=\"https:\/\/hangarmma.com.br\/blog\/massa-2\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">massa<\/a> de ar que passa pelo <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f3b60d1bb888b7e0b1c586d667bd36d4\" data-link=\"https:\/\/hangarmma.com.br\/blog\/motor-core-core-engine\/\" href=\"https:\/\/hangarmma.com.br\/blog\/motor-core-core-engine\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">n&#xFA;cleo do motor<\/a>, duas unidades passam pelo fan externo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em contraste, os motores modernos tendem a ter bypass ratios muito maiores. Por exemplo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Boeing 737-700\/800 (CFM56-7B22): bypass ratio de 5.3:1<\/li>\n\n\n\n<li>Boeing 787: bypass ratio de at&#xE9; 9:1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Os motores com alto bypass ratio (acima de 2:1) oferecem v&#xE1;rias vantagens:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Menor <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_6932ae25f8f2da720e15bbd08d88f110\" data-link=\"https:\/\/hangarmma.com.br\/blog\/consumo-de-combustivel\/\" href=\"https:\/\/hangarmma.com.br\/blog\/consumo-de-combustivel\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">consumo de combust&#xED;vel<\/a><\/li>\n\n\n\n<li>Menor n&#xED;vel de ru&#xED;do<\/li>\n\n\n\n<li>Melhor <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_7a30c0f256bf4e000ad5e12dda23b64e\" data-link=\"https:\/\/hangarmma.com.br\/blog\/resfriamento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/resfriamento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">resfriamento<\/a> do motor<\/li>\n\n\n\n<li>Maior efici&#xEA;ncia geral<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">O conceito de low bypass ratio &#xE9; importante historicamente e para aplica&#xE7;&#xF5;es espec&#xED;ficas, mas a tend&#xEA;ncia da avia&#xE7;&#xE3;o comercial moderna &#xE9; utilizar motores com bypass ratios cada vez maiores, buscando maior efici&#xEA;ncia e menor impacto ambiental.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um motor turbofan \u00e9 classificado como &#8220;low bypass ratio&#8221; quando a raz\u00e3o entre o fluxo de ar que passa por fora do n\u00facleo do motor (bypass flow) e o fluxo que passa por dentro do n\u00facleo (core flow) \u00e9 menor que 2:1. Para contextualizar, o bypass ratio \u00e9 uma caracter\u00edstica fundamental dos motores turbofan que [&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-25015","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>Low Bypass Ratio - 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\/low-bypass-ratio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Low Bypass Ratio - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Um motor turbofan \u00e9 classificado como &#8220;low bypass ratio&#8221; quando a raz\u00e3o entre o fluxo de ar que passa por fora do n\u00facleo do motor (bypass flow) e o fluxo que passa por dentro do n\u00facleo (core flow) \u00e9 menor que 2:1. 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