{"id":18393,"date":"2024-12-04T18:53:35","date_gmt":"2024-12-04T21:53:35","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=18393"},"modified":"2024-12-04T18:53:35","modified_gmt":"2024-12-04T21:53:35","slug":"pontos-mortos-e-curso","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/pontos-mortos-e-curso\/","title":{"rendered":"Pontos Mortos e Curso"},"content":{"rendered":"<p class=\"wp-block-paragraph\">No movimento do pist&#xE3;o dentro do cilindro de um motor, ele atinge dois pontos extremos que s&#xE3;o fundamentais para o funcionamento do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_6e87f204bab025227fee0a362d25cc4d\" data-link=\"https:\/\/hangarmma.com.br\/blog\/ciclo-de-quatro-tempos\/\" href=\"https:\/\/hangarmma.com.br\/blog\/ciclo-de-quatro-tempos\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">ciclo de quatro tempos<\/a>: o <strong>Ponto Morto Alto (PMA)<\/strong> e o <strong>Ponto Morto Baixo (PMB)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <strong>Ponto Morto Alto (PMA)<\/strong> ocorre quando o pist&#xE3;o atinge sua posi&#xE7;&#xE3;o mais elevada dentro do cilindro. Este ponto &#xE9; crucial, pois &#xE9; o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_2b399121eaa83071f2482cdab6cf41b1\" data-link=\"https:\/\/hangarmma.com.br\/blog\/momento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/momento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">momento<\/a> em que o pist&#xE3;o est&#xE1; mais pr&#xF3;ximo da <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_5f0fc8a0b334d382970a27828be734dc\" data-link=\"https:\/\/hangarmma.com.br\/blog\/camara-de-combustao\/\" href=\"https:\/\/hangarmma.com.br\/blog\/camara-de-combustao\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">c&#xE2;mara de combust&#xE3;o<\/a>. Geralmente, &#xE9; no PMA que a combust&#xE3;o ocorre, com a centelha da 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> inflamando a <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>, impulsionando o pist&#xE3;o para baixo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <strong>Ponto Morto Baixo (PMB)<\/strong> &eacute; a posi&ccedil;&atilde;o oposta, onde o pist&atilde;o alcan&ccedil;a o ponto mais baixo em seu deslocamento dentro do cilindro. Este ponto marca o t&eacute;rmino do movimento descendente do pist&atilde;o, seja para completar a admiss&atilde;o ou expulsar os gases queimados no <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_f4eaf674539570d669b78febcafe6e29\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/ciclo\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/ciclo\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>ciclo<\/a> de exaust&atilde;o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>dist&#xE2;ncia entre o PMA e o PMB<\/strong> &#xE9; chamada de <strong>Curso<\/strong>. O curso representa o comprimento total do deslocamento linear do pist&#xE3;o dentro do cilindro. Este par&#xE2;metro &#xE9; fundamental no c&#xE1;lculo do deslocamento volum&#xE9;trico do motor, que est&#xE1; diretamente relacionado &#xE0; <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> e <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_d2ce78e2048f5b83340b4f0e46878a04\" data-link=\"https:\/\/hangarmma.com.br\/blog\/capacidade\/\" href=\"https:\/\/hangarmma.com.br\/blog\/capacidade\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">capacidade<\/a> do motor.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"252\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-15.png\" alt=\"\" class=\"wp-image-18394\" srcset=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-15.png 611w, https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-15-300x124.png 300w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\"\/><figcaption class=\"wp-element-caption\">Livro Aeronaves e Motores &#x2013; Conhecimentos T&#xE9;cnicos de Avi&#xE3;o &#x2013; Jorge M. Homa<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>No movimento do pist\u00e3o dentro do cilindro de um motor, ele atinge dois pontos extremos que s\u00e3o fundamentais para o funcionamento do ciclo de quatro tempos: o Ponto Morto Alto (PMA) e o Ponto Morto Baixo (PMB). O Ponto Morto Alto (PMA) ocorre quando o pist\u00e3o atinge sua posi\u00e7\u00e3o mais elevada dentro do cilindro. Este [&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-18393","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>Pontos Mortos e Curso - 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\/pontos-mortos-e-curso\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pontos Mortos e Curso - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"No movimento do pist\u00e3o dentro do cilindro de um motor, ele atinge dois pontos extremos que s\u00e3o fundamentais para o funcionamento do ciclo de quatro tempos: o Ponto Morto Alto (PMA) e o Ponto Morto Baixo (PMB). 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