{"id":49378,"date":"2019-11-17T21:14:17","date_gmt":"2019-11-17T20:14:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-energia-livre-helmholtz-definicao\/"},"modified":"2020-01-29T12:23:21","modified_gmt":"2020-01-29T11:23:21","slug":"o-que-e-energia-livre-helmholtz-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-energia-livre-helmholtz-definicao\/","title":{"rendered":"O que \u00e9 energia livre Helmholtz – Defini\u00e7\u00e3o"},"content":{"rendered":"
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Na termodin\u00e2mica, a energia livre de Helmholtz \u00e9 um potencial termodin\u00e2mico que \u00e9 definido como a energia interna menos o produto da temperatura vezes a entropia.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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Helmholtz Free Energy<\/h2>\n

Na termodin\u00e2mica, a\u00a0energia livre de Helmholtz<\/strong>\u00a0\u00e9 um potencial termodin\u00e2mico que \u00e9 definido como a\u00a0energia interna<\/a>\u00a0\u00a0do sistema menos o produto da temperatura vezes a\u00a0entropia<\/a>\u00a0do sistema.\u00a0mede o trabalho “\u00fatil” obtido de um sistema termodin\u00e2mico fechado a um volume e press\u00e3o constantes.\u00a0A energia livre Helmhotz<\/strong>\u00a0\u00e9 definida como:<\/p>\n

\"Energia<\/a><\/p>\n

A energia interna, U, tem um significado f\u00edsico exato, \u00e9 a soma de todas as energias cin\u00e9tica e potencial de todas as part\u00edculas no sistema.\u00a0O segundo termo \u00e9 a quantidade de transfer\u00eancia espont\u00e2nea de energia,\u00a0\u00a0TS,<\/strong>\u00a0onde S \u00e9 a entropia final do sistema.\u00a0Para um processo de temperatura constante, a energia livre de Helmholtz fornece todo o trabalho revers\u00edvel.\u00a0Quando um f\u00edsico diz “energia livre” sem indicar Helmholtz ou Gibbs, eles geralmente significam energia livre de Helmholtz, por outro lado, quando um qu\u00edmico diz “energia livre”, quase sempre significa\u00a0energia livre de Gibbs<\/a>\u00a0.<\/p>\n<\/div>\n<\/div>\n

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\"potenciais<\/a>
Potenciais termodin\u00e2micos;\u00a0o termo Ts representa a energia que voc\u00ea pode obter do ambiente do sistema por aquecimento;\u00a0o termo pV representa o trabalho de expans\u00e3o.<\/figcaption><\/figure>\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":"

Na termodin\u00e2mica, a energia livre de Helmholtz \u00e9 um potencial termodin\u00e2mico que \u00e9 definido como a energia interna menos o produto da temperatura vezes a entropia.\u00a0Engenharia T\u00e9rmica Helmholtz Free Energy Na termodin\u00e2mica, a\u00a0energia livre de Helmholtz\u00a0\u00e9 um potencial termodin\u00e2mico que \u00e9 definido como a\u00a0energia interna\u00a0\u00a0do sistema menos o produto da temperatura vezes a\u00a0entropia\u00a0do sistema.\u00a0mede o … 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 energia livre Helmholtz - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Na termodin\u00e2mica, a energia livre de Helmholtz \u00e9 um potencial termodin\u00e2mico que \u00e9 definido como a energia interna menos o produto da temperatura vezes a entropia. 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