{"id":1071,"date":"2019-02-25T10:00:00","date_gmt":"2019-02-25T10:00:00","guid":{"rendered":"https:\/\/demo.dillerbottle.com\/info\/insulation-principle-of-vacuum-flask.html"},"modified":"2019-02-25T10:00:00","modified_gmt":"2019-02-25T10:00:00","slug":"principio-de-isolamento-da-garrafa-termica","status":"publish","type":"post","link":"https:\/\/www.dillerbottle.com\/pt\/info\/insulation-principle-of-vacuum-flask.html","title":{"rendered":"Princ\u00edpio de isolamento do frasco de v\u00e1cuo"},"content":{"rendered":"<h2>Princ\u00edpio de isolamento do frasco de v\u00e1cuo<\/h2>\n<p>A moderna garrafa t\u00e9rmica foi inventada pelo f\u00edsico brit\u00e2nico Sir James Duval em 1892. Naquela \u00e9poca, ele estava conduzindo um trabalho de pesquisa sobre liquefa\u00e7\u00e3o de g\u00e1s. Para liquefazer g\u00e1s em baixa temperatura, ele primeiro precisava projetar um recipiente que pudesse isolar o g\u00e1s da temperatura externa. Ent\u00e3o ele pediu a Berg, um t\u00e9cnico em vidro, para soprar um recipiente de vidro de camada dupla para ele. As paredes internas das duas camadas foram revestidas com merc\u00fario, e ent\u00e3o o ar entre as duas camadas foi bombeado para fora para formar um v\u00e1cuo. A garrafa de v\u00e1cuo pode manter a temperatura do l\u00edquido nela constante por um certo per\u00edodo de tempo, seja frio ou quente.<\/p>\n<p>Como a garrafa t\u00e9rmica \u00e9 usada principalmente para isolamento de \u00e1gua quente na fam\u00edlia, ela tamb\u00e9m \u00e9 chamada de garrafa de \u00e1gua quente. A estrutura da garrafa t\u00e9rmica n\u00e3o \u00e9 complicada. No meio, h\u00e1 uma jarra de vidro de camada dupla. O v\u00e1cuo entre as duas camadas \u00e9 sugado para um estado de v\u00e1cuo e revestido com prata ou alum\u00ednio. O estado de v\u00e1cuo pode evitar a convec\u00e7\u00e3o t\u00e9rmica. O pr\u00f3prio vidro \u00e9 um mau condutor de calor. O vidro prateado pode refletir de volta o calor irradiado de dentro do recipiente. Por outro lado, se l\u00edquidos frios forem armazenados na garrafa, a garrafa pode evitar que o calor irradie de fora para dentro da garrafa.<\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2024\/09\/201902251034487737323.jpg\"><\/p>\n<p>A rolha de uma garrafa t\u00e9rmica \u00e9 geralmente feita de corti\u00e7a ou pl\u00e1stico, e nenhum dos materiais \u00e9 f\u00e1cil de conduzir calor. A concha da garrafa t\u00e9rmica \u00e9 feita de malha de bambu, pl\u00e1stico, ferro, alum\u00ednio, a\u00e7o inoxid\u00e1vel e outros materiais. H\u00e1 uma arruela de borracha na boca da garrafa e uma almofada de borracha em forma de tigela no fundo da garrafa. Tudo isso serve para fixar a ves\u00edcula biliar de vidro para evitar colis\u00e3o com a concha externa.<\/p>\n<p>A pior fun\u00e7\u00e3o de preserva\u00e7\u00e3o de calor e resfriamento da garrafa t\u00e9rmica \u00e9 ao redor do gargalo. Portanto, durante a fabrica\u00e7\u00e3o, o gargalo \u00e9 sempre encurtado o m\u00e1ximo poss\u00edvel. Quanto maior a capacidade e menor a boca da garrafa t\u00e9rmica, melhor o efeito de preserva\u00e7\u00e3o de calor.<\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Insulation principle of vacuum flask The modern thermos flask was invented by British physicist Sir James Duval in 1892. At that time, he was conducting a research work on liquefying gas. To liquefy gas at low temperature, he first needed to design a container which could insulate the gas from the outside temperature. So he [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":1070,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Insulation principle of vacuum flask - Diller Water Bottle Manufacturer<\/title>\n<meta name=\"description\" content=\"Insulation principle of vacuum flask\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dillerbottle.com\/pt\/informacao\/principio-de-isolamento-do-frasco-de-vacuo-html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Insulation principle of vacuum flask\" \/>\n<meta property=\"og:description\" content=\"Insulation principle of vacuum flask\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dillerbottle.com\/pt\/informacao\/principio-de-isolamento-do-frasco-de-vacuo-html\" \/>\n<meta property=\"og:site_name\" content=\"Diller Water Bottle Manufacturer\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-25T10:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dillerbottle.com\/wp-content\/uploads\/2024\/09\/201902251034487737323.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"529\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"Insulation principle of vacuum flask\",\"datePublished\":\"2019-02-25T10:00:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html\"},\"wordCount\":351,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dillerbottle.com\\\/wp-content\\\/uploads\\\/2024\\\/09\\\/201902251034487737323.jpg\",\"articleSection\":[\"info\"],\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html\",\"url\":\"https:\\\/\\\/www.dillerbottle.com\\\/info\\\/insulation-principle-of-vacuum-flask.html\",\"name\":\"Insulation principle of vacuum flask - 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