{"id":47312,"date":"2019-11-03T23:53:35","date_gmt":"2019-11-03T22:53:35","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-a-forca-de-resistencia-hidraulica-definicao\/"},"modified":"2020-01-23T10:36:27","modified_gmt":"2020-01-23T09:36:27","slug":"o-que-e-a-forca-de-resistencia-hidraulica-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-a-forca-de-resistencia-hidraulica-definicao\/","title":{"rendered":"O que \u00e9 a for\u00e7a de resist\u00eancia hidr\u00e1ulica – Defini\u00e7\u00e3o"},"content":{"rendered":"
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For\u00e7a de resist\u00eancia hidr\u00e1ulica.\u00a0A vaz\u00e3o de circula\u00e7\u00e3o natural, V, \u00e9 determinada a partir do equil\u00edbrio entre a cabe\u00e7a motriz e as for\u00e7as resistentes.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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For\u00e7a de resist\u00eancia hidr\u00e1ulica<\/h2>\n

\"CLP<\/a>Como foi escrito,\u00a0a vaz\u00e3o de circula\u00e7\u00e3o natural<\/strong>\u00a0, V, no circuito fechado, em condi\u00e7\u00f5es de estado estacion\u00e1rio, \u00e9 determinada a partir do equil\u00edbrio entre a cabe\u00e7a motriz e as for\u00e7as resistentes.\u00a0Como o atrito do tubo, as\u00a0perdas de press\u00e3o gerais<\/strong>\u00a0s\u00e3o\u00a0proporcionais ao quadrado da vaz\u00e3o<\/strong>\u00a0e, portanto, podem ser facilmente integradas na\u00a0equa\u00e7\u00e3o de Darcy-Weisbach<\/strong><\/a>\u00a0.\u00a0Os engenheiros costumam usar o\u00a0coeficiente de perda de press\u00e3o<\/strong><\/a>\u00a0,\u00a0CLP<\/strong>\u00a0.\u00a0Nota-se K ou\u00a0\u03be<\/strong>\u00a0(pronunciado \u201cxi\u201d).\u00a0Este coeficiente caracteriza a\u00a0perda de press\u00e3o<\/a>de um determinado sistema hidr\u00e1ulico ou de uma parte de um sistema hidr\u00e1ulico.\u00a0Pode ser facilmente medido em loops hidr\u00e1ulicos.\u00a0O coeficiente de perda de press\u00e3o pode ser definido ou medido para tubos retos e especialmente para\u00a0perdas locais (menores)<\/strong><\/a>\u00a0.\u00a0Como o\u00a0fator de atrito de Darcy<\/a>\u00a0\u00e9 uma fun\u00e7\u00e3o da velocidade (no n\u00famero de Reynolds), o c\u00e1lculo do coeficiente de perda de press\u00e3o \u00e9 um processo iterativo.<\/p>\n<\/div>\n<\/div>\n

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Circula\u00e7\u00e3o Natural – Vaz\u00e3o<\/h2>\n

A<\/strong>\u00a0taxa de fluxo de\u00a0circula\u00e7\u00e3o natural<\/strong>\u00a0no circuito, em estado estacion\u00e1rio, \u00e9 determinada a partir do\u00a0equil\u00edbrio<\/strong>\u00a0entre as\u00a0for\u00e7as\u00a0<\/strong>motriz<\/strong>\u00a0e\u00a0resist\u00eancia<\/strong>\u00a0.\u00a0A for\u00e7a motriz resulta da diferen\u00e7a de densidade entre a perna quente e a perna fria do circuito.\u00a0A cabe\u00e7a necess\u00e1ria para compensar as perdas de cabe\u00e7a \u00e9 criada por gradientes de densidade e altera\u00e7\u00f5es de eleva\u00e7\u00e3o.<\/p>\n<\/div>\n<\/div>\n

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Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

For\u00e7a de resist\u00eancia hidr\u00e1ulica.\u00a0A vaz\u00e3o de circula\u00e7\u00e3o natural, V, \u00e9 determinada a partir do equil\u00edbrio entre a cabe\u00e7a motriz e as for\u00e7as resistentes.\u00a0Engenharia T\u00e9rmica For\u00e7a de resist\u00eancia hidr\u00e1ulica Como foi escrito,\u00a0a vaz\u00e3o de circula\u00e7\u00e3o natural\u00a0, V, no circuito fechado, em condi\u00e7\u00f5es de estado estacion\u00e1rio, \u00e9 determinada a partir do equil\u00edbrio entre a cabe\u00e7a motriz e … Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"\nO que \u00e9 a for\u00e7a de resist\u00eancia hidr\u00e1ulica - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"For\u00e7a de resist\u00eancia hidr\u00e1ulica. 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