{"id":49270,"date":"2019-11-15T23:10:13","date_gmt":"2019-11-15T22:10:13","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-sao-caracteristicas-operacionais-de-um-circuito-hidraulico-definicao\/"},"modified":"2020-01-31T13:01:35","modified_gmt":"2020-01-31T12:01:35","slug":"o-que-sao-caracteristicas-operacionais-de-um-circuito-hidraulico-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-sao-caracteristicas-operacionais-de-um-circuito-hidraulico-definicao\/","title":{"rendered":"O que s\u00e3o caracter\u00edsticas operacionais de um circuito hidr\u00e1ulico – Defini\u00e7\u00e3o"},"content":{"rendered":"
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Quando reunimos as caracter\u00edsticas de atrito (cabe\u00e7a do sistema) de um circuito hidr\u00e1ulico e a curva de desempenho, o resultado descrever\u00e1 as caracter\u00edsticas de todo o sistema.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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Caracter\u00edsticas de opera\u00e7\u00e3o de um circuito hidr\u00e1ulico<\/h2>\n

Quando reunimos as\u00a0caracter\u00edsticas de atrito<\/strong>\u00a0\u00a0(\u00a0cabe\u00e7a do sistema<\/a>\u00a0) de um circuito hidr\u00e1ulico e a\u00a0curva de desempenho,<\/strong><\/a>\u00a0o resultado descreve as\u00a0caracter\u00edsticas de todo o sistema<\/strong>\u00a0(por exemplo,\u00a0um circuito do circuito prim\u00e1rio<\/strong>\u00a0).\u00a0A figura a seguir mostra a curva de desempenho t\u00edpica de uma\u00a0bomba centr\u00edfuga<\/a>\u00a0relacionada \u00e0 cabe\u00e7a de atrito do sistema.<\/p>\n

\"Diagrama<\/a>
Diagrama caracter\u00edstico de QH da bomba centr\u00edfuga e do gasoduto<\/figcaption><\/figure>\n

A cabe\u00e7a da bomba<\/strong>\u00a0, no eixo vertical, \u00e9 a\u00a0\u00a0diferen\u00e7a<\/strong>\u00a0entre a\u00a0contrapress\u00e3o do sistema<\/strong>\u00a0e a\u00a0press\u00e3o<\/strong>\u00a0de\u00a0entrada<\/strong>\u00a0da bomba (\u00a0bomba<\/sub><\/strong>\u00a0\u0394P<\/strong>\u00a0).\u00a0A vaz\u00e3o volum\u00e9trica (Q)<\/strong>\u00a0, no eixo horizontal, \u00e9 a taxa na qual o fluido est\u00e1 fluindo atrav\u00e9s da bomba.\u00a0Como pode ser visto, a cabe\u00e7a \u00e9 aproximadamente constante em baixa descarga e depois cai para zero em\u00a0Q\u00a0max<\/sub><\/strong>\u00a0.\u00a0Em baixa descarga, as caracter\u00edsticas podem ser inst\u00e1veis \u200b\u200b(com inclina\u00e7\u00e3o positiva da cabe\u00e7a da bomba).\u00a0Essas s\u00e3o caracter\u00edsticas indesej\u00e1veis, porque uma bomba inst\u00e1vel pode come\u00e7ar a oscilar entre as duas combina\u00e7\u00f5es poss\u00edveis de vaz\u00e3o e a tubula\u00e7\u00e3o pode vibrar.<\/p>\n

Na vaz\u00e3o\u00a0Q1,<\/strong>\u00a0a bomba ganha mais press\u00e3o do que consome as perdas por atrito; portanto, a vaz\u00e3o atrav\u00e9s do sistema\u00a0aumentar\u00e1<\/strong>\u00a0.\u00a0A vaz\u00e3o se\u00a0estabilizar\u00e1<\/strong>\u00a0no ponto em que as\u00a0perdas por atrito cruzam as caracter\u00edsticas da bomba<\/strong>\u00a0.<\/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":"

Quando reunimos as caracter\u00edsticas de atrito (cabe\u00e7a do sistema) de um circuito hidr\u00e1ulico e a curva de desempenho, o resultado descrever\u00e1 as caracter\u00edsticas de todo o sistema.\u00a0Engenharia T\u00e9rmica Caracter\u00edsticas de opera\u00e7\u00e3o de um circuito hidr\u00e1ulico Quando reunimos as\u00a0caracter\u00edsticas de atrito\u00a0\u00a0(\u00a0cabe\u00e7a do sistema\u00a0) de um circuito hidr\u00e1ulico e a\u00a0curva de desempenho,\u00a0o resultado descreve as\u00a0caracter\u00edsticas de todo … 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 s\u00e3o caracter\u00edsticas operacionais de um circuito hidr\u00e1ulico - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Quando reunimos as caracter\u00edsticas de atrito (cabe\u00e7a do sistema) de um circuito hidr\u00e1ulico e a curva de desempenho, o resultado descrever\u00e1 as caracter\u00edsticas de todo o sistema. 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