{"id":48649,"date":"2019-11-11T11:02:35","date_gmt":"2019-11-11T10:02:35","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-a-escala-celsius-temperatura-celsius-definicao\/"},"modified":"2020-01-29T17:19:25","modified_gmt":"2020-01-29T16:19:25","slug":"o-que-e-a-escala-celsius-temperatura-celsius-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-a-escala-celsius-temperatura-celsius-definicao\/","title":{"rendered":"O que \u00e9 a escala Celsius &#8211; Temperatura Celsius &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Escala Celsius.\u00a0A escala de temperatura Celsius tamb\u00e9m \u00e9 chamada de escala de temperatura cent\u00edgrada por causa do intervalo de 100 graus entre os pontos definidos.\u00a0o<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Balan\u00e7as de temperatura<\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\"><img loading=\"lazy\" class=\"wp-image-16243 alignright lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\" alt=\"Convers\u00e3o de temperatura - Fahrenheit - Celsius\" width=\"400\" height=\"318\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/comparison-temperature-scales-min.png\" \/><\/a>Ao usar um term\u00f4metro, precisamos marcar uma escala na parede do tubo com n\u00fameros.\u00a0Temos que definir uma\u00a0<strong>escala de temperatura<\/strong>\u00a0.\u00a0Uma\u00a0<strong><em>escala de temperatura<\/em><\/strong>\u00a0\u00e9 uma maneira de medir a temperatura em rela\u00e7\u00e3o a um\u00a0<strong>ponto inicial<\/strong>\u00a0(0 ou zero) e uma\u00a0<strong>unidade de medida<\/strong>\u00a0.<\/p>\n<p>Esses n\u00fameros s\u00e3o arbitr\u00e1rios e, historicamente, muitos esquemas diferentes t\u00eam sido usados.\u00a0Por exemplo, isso foi feito definindo algumas ocorr\u00eancias f\u00edsicas em determinadas temperaturas &#8211; como os\u00a0<strong><a title=\"Satura\u00e7\u00e3o - Ponto de Ebuli\u00e7\u00e3o\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-saturacao-ponto-de-ebulicao-definicao\/\">pontos de<\/a><\/strong><strong>\u00a0congelamento<\/strong>\u00a0e\u00a0<strong><a title=\"Satura\u00e7\u00e3o - Ponto de Ebuli\u00e7\u00e3o\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-saturacao-ponto-de-ebulicao-definicao\/\">ebuli\u00e7\u00e3o da \u00e1gua<\/a>\u00a0<\/strong>\u00a0&#8211; e definindo-as como 0 e 100, respectivamente.<\/p>\n<p>Existem v\u00e1rias escalas e unidades para medir a temperatura.\u00a0Os mais comuns s\u00e3o:<\/p>\n<ul>\n<li><a title=\"Escala Celsius - Temperatura Celsius\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/celsius-scale-celsius-temperature\/\">Celsius (indicado em C),<\/a><\/li>\n<li><a title=\"Escala de Fahrenheit - temperatura de Fahrenheit\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/fahrenheit-scale-fahrenheit-temperature\/\">Fahrenheit (indicado como F),<\/a><\/li>\n<li><a title=\"Escala Kelvin - Temperatura Absoluta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/kelvin-scale-absolute-temperature\/\">Kelvin (denotado K; especialmente na ci\u00eancia).<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Escala Celsius &#8211; Temperatura Celsius<\/h2>\n<figure id=\"attachment_16241\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-16241\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Celsius-temperature-scale-min.png\"><img loading=\"lazy\" class=\"size-full wp-image-16241 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Celsius-temperature-scale-min.png\" alt=\"Escala de temperatura Celsius\" width=\"321\" height=\"508\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Celsius-temperature-scale-min.png\" \/><\/a><figcaption id=\"caption-attachment-16241\" class=\"wp-caption-text\">A escala de temperatura Celsius \u00e9 baseada em dois pontos: o ponto de ebuli\u00e7\u00e3o da \u00e1gua como 100 \u00b0 C e o ponto de congelamento da \u00e1gua como 0 \u00b0 C.<\/figcaption><\/figure>\n<p>Cerca de 20 anos depois que Fahrenheit prop\u00f4s sua escala de temperatura para term\u00f4metro, o professor sueco\u00a0<strong>Anders Celsius<\/strong>\u00a0definiu uma escala melhor para medir a temperatura.\u00a0Prop\u00f4s usando o\u00a0<a title=\"Satura\u00e7\u00e3o - Ponto de Ebuli\u00e7\u00e3o\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-saturacao-ponto-de-ebulicao-definicao\/\"><strong>ponto de ebuli\u00e7\u00e3o da \u00e1gua<\/strong><\/a>\u00a0como\u00a0<strong>100 \u00b0 C<\/strong>\u00a0e o\u00a0<strong>ponto de congela\u00e7\u00e3o da \u00e1gua<\/strong>\u00a0como\u00a0<strong>0 \u00b0 C<\/strong>\u00a0.\u00a0A \u00e1gua foi escolhida como material de refer\u00eancia porque estava sempre dispon\u00edvel na maioria dos laborat\u00f3rios ao redor do mundo.<\/p>\n<p><strong><span>A escala de temperatura Celsius<\/span><\/strong><span>\u00a0tamb\u00e9m \u00e9 chamada de\u00a0<\/span><strong><span>escala de temperatura cent\u00edgrada<\/span><\/strong><span>\u00a0\u00a0por causa do\u00a0intervalo de\u00a0<\/span><strong><span>100 graus<\/span><\/strong><span>\u00a0entre os pontos definidos.\u00a0A temperatura Celsius para um estado mais frio que a \u00e1gua gelada \u00e9 um n\u00famero negativo.\u00a0A escala Celsius \u00e9 usada, tanto na vida cotidiana quanto na ci\u00eancia e na ind\u00fastria, quase em todo o mundo.<\/span><\/p>\n<p><strong><span>O zero absoluto<\/span><\/strong><span>\u00a0, a temperatura mais baixa poss\u00edvel, \u00e9 definido como sendo precisamente 0 K e -273,15 \u00b0 C.\u00a0A temperatura do\u00a0<\/span><a title=\"Ponto Triplo da \u00c1gua\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-nuclear-engineering\/properties-of-water\/triple-point-of-water\/\"><strong><span>ponto triplo da \u00e1gua<\/span><\/strong><\/a><span>\u00a0\u00e9 definida com precis\u00e3o de 273,16 K e 0,01 \u00b0 C.\u00a0Essa defini\u00e7\u00e3o fixa a magnitude do grau Celsius e do kelvin como precisamente uma parte em 273,16 da diferen\u00e7a entre o zero absoluto e o ponto triplo da \u00e1gua.<\/span><\/p>\n<p><span>\u00c9 preciso acrescentar, por acordo internacional, a unidade \u201cgrau Celsius\u201d e a escala Celsius atualmente s\u00e3o definidas por dois pontos diferentes:\u00a0<\/span><strong><span>zero absoluto<\/span><\/strong><span>\u00a0e o\u00a0<\/span><strong><span>ponto triplo da \u00e1gua<\/span><\/strong><span>\u00a0(em vez de pontos de ebuli\u00e7\u00e3o e congelamento).\u00a0Essa defini\u00e7\u00e3o tamb\u00e9m relaciona com precis\u00e3o a escala Celsius \u00e0 escala Kelvin, que define a unidade base SI da temperatura termodin\u00e2mica.<\/span><\/p>\n<p><strong><span>Convers\u00e3o de temperatura &#8211; Fahrenheit &#8211; Celsius<\/span><\/strong><\/p>\n<p><span>Para converter de uma\u00a0<\/span><strong><span>temperatura Fahrenheit<\/span><\/strong><span>\u00a0para uma\u00a0<\/span><strong><span>temperatura Celsius<\/span><\/strong><span>\u00a0, precisamos subtrair\u00a0<\/span><strong><span>32 graus<\/span><\/strong><span>\u00a0da leitura Fahrenheit para chegar ao ponto zero na escala Celsius e depois ajustar para os diferentes graus de tamanho.\u00a0A propor\u00e7\u00e3o do tamanho dos graus \u00e9\u00a0<\/span><strong><span>5\/9, de<\/span><\/strong><span>\u00a0modo que a rela\u00e7\u00e3o entre as escalas \u00e9 representada pelas seguintes equa\u00e7\u00f5es:<\/span><\/p>\n<p><strong><span>\u00b0 F = 32,0 + (9\/5) \u00b0 C<\/span><\/strong><br \/>\n<strong><span>\u00b0 C = (\u00b0 F &#8211; 32,0) (5\/9)<\/span><\/strong><\/p>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>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":"<p>Escala Celsius.\u00a0A escala de temperatura Celsius tamb\u00e9m \u00e9 chamada de escala de temperatura cent\u00edgrada por causa do intervalo de 100 graus entre os pontos definidos.\u00a0o Balan\u00e7as de temperatura Ao usar um term\u00f4metro, precisamos marcar uma escala na parede do tubo com n\u00fameros.\u00a0Temos que definir uma\u00a0escala de temperatura\u00a0.\u00a0Uma\u00a0escala de temperatura\u00a0\u00e9 uma maneira de medir a temperatura &#8230; <a title=\"O que \u00e9 a escala Celsius &#8211; Temperatura Celsius &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-a-escala-celsius-temperatura-celsius-definicao\/\" aria-label=\"More on O que \u00e9 a escala Celsius &#8211; Temperatura Celsius &#8211; Defini\u00e7\u00e3o\">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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 a escala Celsius - Temperatura Celsius - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Escala Celsius. 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