{"id":48364,"date":"2019-11-10T06:28:20","date_gmt":"2019-11-10T05:28:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-exemplo-de-lei-ideal-de-gas-compressao-de-gas-definicao\/"},"modified":"2020-01-28T15:29:26","modified_gmt":"2020-01-28T14:29:26","slug":"o-que-e-exemplo-de-lei-ideal-de-gas-compressao-de-gas-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-exemplo-de-lei-ideal-de-gas-compressao-de-gas-definicao\/","title":{"rendered":"O que \u00e9 exemplo de lei ideal de g\u00e1s – Compress\u00e3o de g\u00e1s – Defini\u00e7\u00e3o"},"content":{"rendered":"
\n
Exemplo: Lei do g\u00e1s ideal – Compress\u00e3o de g\u00e1s dentro de uma pressuriza\u00e7\u00e3o.\u00a0Qual \u00e9 a press\u00e3o final do g\u00e1s dentro do pressurizador?\u00a0Suponha que o g\u00e1s seja ideal.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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Exemplo: Lei do g\u00e1s ideal – Compress\u00e3o de g\u00e1s dentro de um pressurizador<\/h2>\n
\"pressurizador\"<\/a>
Um pressurizador \u00e9 um componente essencial dos PWRs.<\/figcaption><\/figure>\n

A press\u00e3o no circuito prim\u00e1rio<\/strong>\u00a0das\u00a0PWRs<\/a>\u00a0\u00e9 mantida por um\u00a0pressurizador<\/strong><\/a>\u00a0, um vaso separado que \u00e9 conectado ao circuito prim\u00e1rio (perna quente) e parcialmente preenchido com \u00e1gua que \u00e9 aquecida at\u00e9 a\u00a0temperatura de satura\u00e7\u00e3o<\/strong><\/a>\u00a0(ponto de ebuli\u00e7\u00e3o) para a press\u00e3o desejada por\u00a0energia el\u00e9trica<\/strong>\u00a0submersa.\u00a0aquecedores<\/strong>\u00a0.\u00a0Durante o aquecimento da planta, o pressurizador pode ser preenchido com nitrog\u00eanio, em vez de\u00a0vapor saturado<\/a>\u00a0.<\/p>\n

Suponha que um pressurizador contenha\u00a012 m\u00a0<\/strong>3<\/sup><\/strong>\u00a0de nitrog\u00eanio a\u00a020 \u00b0 C<\/strong>\u00a0e\u00a015 bar<\/strong>\u00a0.\u00a0A temperatura \u00e9 aumentada para\u00a035 \u00b0 C<\/strong>\u00a0e o volume \u00e9 reduzido para\u00a08,5 m\u00a0<\/strong>3<\/sup><\/strong>\u00a0.\u00a0Qual \u00e9 a press\u00e3o final do g\u00e1s dentro do pressurizador?\u00a0Suponha que o g\u00e1s seja ideal.<\/p>\n

Solu\u00e7\u00e3o:<\/strong><\/p>\n

Como o g\u00e1s \u00e9 ideal, podemos usar a lei do g\u00e1s ideal para relacionar seus par\u00e2metros, tanto no\u00a0estado inicial ie<\/strong>\u00a0no\u00a0estado final f<\/strong>\u00a0.\u00a0Portanto:<\/p>\n

p\u00a0init<\/sub>\u00a0V\u00a0init<\/sub>\u00a0= nRT\u00a0init<\/sub><\/em><\/strong><\/p>\n

e<\/p>\n

p\u00a0final<\/sub>\u00a0V\u00a0final<\/sub>\u00a0= nRT\u00a0final<\/sub><\/em><\/strong><\/p>\n

Dividindo a segunda equa\u00e7\u00e3o pela primeira e resolvendo para\u00a0p\u00a0f<\/sub><\/em><\/strong>\u00a0, obtemos:<\/p>\n

p\u00a0definitiva<\/sub>\u00a0= p\u00a0Init<\/sub>\u00a0T\u00a0definitiva<\/sub>\u00a0V\u00a0Init<\/sub>\u00a0\/ T\u00a0o init<\/sub>\u00a0V\u00a0definitiva<\/sub><\/em><\/strong><\/p>\n

Observe que n\u00e3o podemos converter unidades de volume e press\u00e3o em unidades b\u00e1sicas de SI, porque elas se cancelam.\u00a0Por outro lado, temos que usar Kelvins em vez de graus Celsius.\u00a0Portanto, T\u00a0init<\/sub>\u00a0= 293 K e T\u00a0final<\/sub>\u00a0= 308 K.<\/p>\n

A seguir, a press\u00e3o resultante no estado final ser\u00e1:<\/span><\/p>\n

p\u00a0<\/span>final<\/span><\/sub>\u00a0<\/em><\/strong>= (15 bar) x (308 K) x (12 m\u00a0<\/span><\/em>3<\/span><\/sup>\u00a0) \/ (293 K) x (8,5 m\u00a0<\/span>3<\/span><\/sup><\/em>\u00a0) =\u00a0<\/span><\/em>22 bar<\/span><\/em><\/strong><\/p>\n<\/div>\n<\/div>\n

……………………………………………………………………………………………………………………………….<\/p>\n

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","protected":false},"excerpt":{"rendered":"

Exemplo: Lei do g\u00e1s ideal – Compress\u00e3o de g\u00e1s dentro de uma pressuriza\u00e7\u00e3o.\u00a0Qual \u00e9 a press\u00e3o final do g\u00e1s dentro do pressurizador?\u00a0Suponha que o g\u00e1s seja ideal.\u00a0Engenharia T\u00e9rmica Exemplo: Lei do g\u00e1s ideal – Compress\u00e3o de g\u00e1s dentro de um pressurizador Um pressurizador \u00e9 um componente essencial dos PWRs. A press\u00e3o no circuito prim\u00e1rio\u00a0das\u00a0PWRs\u00a0\u00e9 mantida … 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 exemplo de lei ideal de g\u00e1s - Compress\u00e3o de g\u00e1s - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Exemplo: Lei do g\u00e1s ideal - Compress\u00e3o de g\u00e1s dentro de uma pressuriza\u00e7\u00e3o. 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