{"id":19425,"date":"2024-12-11T17:20:05","date_gmt":"2024-12-11T20:20:05","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=19425"},"modified":"2024-12-11T17:20:06","modified_gmt":"2024-12-11T20:20:06","slug":"detonacao-em-motores","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/detonacao-em-motores\/","title":{"rendered":"Detona\u00e7\u00e3o em Motores"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A detona&#xE7;&#xE3;o, tamb&#xE9;m chamada de &#x201C;batida de pinos&#x201D;, &#xE9; uma combust&#xE3;o r&#xE1;pida ou explosiva no motor, ocorrendo sem avan&#xE7;o controlado da chama. Esse fen&#xF4;meno pode acontecer antes ou ap&#xF3;s a fa&#xED;sca na vela de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_c277529973400265ccf44f681ff83c0a\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ignicao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ignicao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">igni&#xE7;&#xE3;o<\/a> e est&#xE1; associado a um aumento brusco 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> na cabe&#xE7;a do pist&#xE3;o. Os sinais caracter&#xED;sticos incluem ru&#xED;dos met&#xE1;licos semelhantes a golpes de martelo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Causas principais:<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Baixo poder antidetonante do combust&#xED;vel:<\/strong> Usar combust&#xED;veis inadequados ou com octanagem insuficiente eleva o risco de detona&#xE7;&#xE3;o.<\/li>\n\n\n\n<li><strong><a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_0eaef053552d3f8e0da601d521f763ae\" data-link=\"https:\/\/hangarmma.com.br\/blog\/mistura-ar-combustivel\/\" href=\"https:\/\/hangarmma.com.br\/blog\/mistura-ar-combustivel\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">Mistura ar-combust&#xED;vel<\/a> pobre:<\/strong> Propor&#xE7;&#xF5;es desbalanceadas (mais ar do que o ideal) dificultam a queima eficiente.<\/li>\n\n\n\n<li><strong>Cilindros superaquecidos:<\/strong> Temperaturas excessivas favorecem o comportamento explosivo da mistura.<\/li>\n\n\n\n<li><strong>Altas taxas de compress&#xE3;o:<\/strong> A compress&#xE3;o excessiva eleva as temperaturas internas, favorecendo a pr&#xE9;-igni&#xE7;&#xE3;o.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"176\" height=\"227\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-91.png\" alt=\"\" class=\"wp-image-19426\"\/><figcaption class=\"wp-element-caption\">Fonte: Livro Aeronaves e Motores &#x2013; Conhecimentos T&#xE9;cnicos de Avi&#xE3;o &#x2013; Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Consequ&#xEA;ncias da detona&#xE7;&#xE3;o:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Perda de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_555b5d38d6960552ca65f98e44b9c9b6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" href=\"https:\/\/hangarmma.com.br\/blog\/potencia\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">pot&#xEA;ncia<\/a>:<\/strong> O motor trabalha de forma ineficiente.<\/li>\n\n\n\n<li><strong>Superaquecimento:<\/strong> O <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_fba6d7bf5c0847a6c0bdeb5ecd4f09ba\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/calor\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>calor<\/a> gerado pode danificar componentes cr&iacute;ticos.<\/li>\n\n\n\n<li><strong>Danos estruturais:<\/strong> Podem ocorrer fraturas em pist&#xF5;es, an&#xE9;is e v&#xE1;lvulas, al&#xE9;m de queima do &#xF3;leo lubrificante.<\/li>\n\n\n\n<li><strong>Falha completa do motor:<\/strong> Comumente descrita como &#x201C;motor fundido&#x201D;, &#xE9; resultado de danos irrepar&#xE1;veis por superaquecimento e desgaste extremo. <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A detona\u00e7\u00e3o, tamb\u00e9m chamada de &#8220;batida de pinos&#8221;, \u00e9 uma combust\u00e3o r\u00e1pida ou explosiva no motor, ocorrendo sem avan\u00e7o controlado da chama. Esse fen\u00f4meno pode acontecer antes ou ap\u00f3s a fa\u00edsca na vela de igni\u00e7\u00e3o e est\u00e1 associado a um aumento brusco de press\u00e3o na cabe\u00e7a do pist\u00e3o. Os sinais caracter\u00edsticos incluem ru\u00eddos met\u00e1licos semelhantes [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-19425","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>Detona\u00e7\u00e3o em Motores - 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\/detonacao-em-motores\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Detona\u00e7\u00e3o em Motores - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"A detona\u00e7\u00e3o, tamb\u00e9m chamada de &#8220;batida de pinos&#8221;, \u00e9 uma combust\u00e3o r\u00e1pida ou explosiva no motor, ocorrendo sem avan\u00e7o controlado da chama. 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