{"id":48633,"date":"2019-11-11T09:40:03","date_gmt":"2019-11-11T08:40:03","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-a-lei-zeroth-da-termodinamica-definicao\/"},"modified":"2021-06-03T15:03:40","modified_gmt":"2021-06-03T14:03:40","slug":"o-que-e-a-lei-zeroth-da-termodinamica-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-a-lei-zeroth-da-termodinamica-definicao\/","title":{"rendered":"Lei zero da termodin\u00e2mica"},"content":{"rendered":"
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Lei zero da Termodin\u00e2mica: Se dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si. Engenharia T\u00e9rmica<\/div>\n<\/div>\n
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Lei Zero da Termodin\u00e2mica<\/h2>\n
\"Lei<\/a>
Lei zero da termodin\u00e2mica: se dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si.<\/figcaption><\/figure>\n

Podemos descobrir uma propriedade importante do\u00a0equil\u00edbrio t\u00e9rmico<\/strong><\/a>\u00a0considerando\u00a0tr\u00eas sistemas<\/strong>\u00a0.\u00a0A, B e C, que\u00a0inicialmente n\u00e3o est\u00e3o em equil\u00edbrio t\u00e9rmico<\/strong>\u00a0.\u00a0Separamos os sistemas A e B com uma parede adiab\u00e1tica (material isolante ideal), mas deixamos o sistema C interagir com os sistemas A e B. Esperamos at\u00e9 o\u00a0equil\u00edbrio t\u00e9rmico<\/strong>\u00a0ser alcan\u00e7ado;\u00a0ent\u00e3o A e B est\u00e3o em equil\u00edbrio t\u00e9rmico com C. Mas eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si?<\/p>\n

De acordo com muitos experimentos<\/strong>\u00a0, n\u00e3o haver\u00e1\u00a0nenhum fluxo de energia l\u00edquida<\/strong>\u00a0entre\u00a0A<\/strong>\u00a0e\u00a0B<\/strong>\u00a0.\u00a0Esta \u00e9 uma\u00a0evid\u00eancia experimental<\/strong>\u00a0da seguinte declara\u00e7\u00e3o:<\/p>\n

Se dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si. \u00a0<\/em><\/strong><\/p>\n

Essa afirma\u00e7\u00e3o \u00e9 conhecida como a\u00a0lei zero da termodin\u00e2mica<\/strong>\u00a0.\u00a0Ele tem esse nome incomum, porque foi somente depois que as grandes primeira e segunda leis da termodin\u00e2mica foram elaboradas que os cientistas perceberam que esse postulado aparentemente \u00f3bvio precisava ser declarado primeiro.<\/p>\n

\"zeroth-lei-da-termodin\u00e2mica-calor\"<\/a>Esta lei fornece uma\u00a0defini\u00e7\u00e3o<\/strong>\u00a0e\u00a0m\u00e9todo<\/strong>\u00a0para\u00a0definir temperaturas<\/strong><\/a>\u00a0, talvez a\u00a0propriedade intensiva<\/a><\/strong>\u00a0mais importante<\/strong>\u00a0de um sistema ao lidar com problemas de convers\u00e3o de energia t\u00e9rmica.\u00a0Temperatura \u00e9 uma propriedade de um sistema que determina se o sistema estar\u00e1 em equil\u00edbrio t\u00e9rmico com outros sistemas.\u00a0Quando dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico, suas temperaturas s\u00e3o, por defini\u00e7\u00e3o, iguais, e nenhuma energia t\u00e9rmica l\u00edquida ser\u00e1 trocada entre eles.\u00a0Assim, a import\u00e2ncia da lei zeroth \u00e9 que ela permite uma defini\u00e7\u00e3o \u00fatil de temperatura.<\/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":"

Lei zero da Termodin\u00e2mica: Se dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si. Engenharia T\u00e9rmica Lei Zero da Termodin\u00e2mica Lei zero da termodin\u00e2mica: se dois sistemas est\u00e3o em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si. Podemos descobrir uma propriedade importante do\u00a0equil\u00edbrio t\u00e9rmico\u00a0considerando\u00a0tr\u00eas … 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":"\nLei zero da termodin\u00e2mica<\/title>\n<meta name=\"description\" content=\"Lei zero da termodin\u00e2mica: Se dois sistemas est\u00e3o ambos em equil\u00edbrio t\u00e9rmico com um ter\u00e7o, eles est\u00e3o em equil\u00edbrio t\u00e9rmico entre si. 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