{"id":2725,"date":"2011-01-13T09:38:05","date_gmt":"2011-01-13T07:38:05","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=2725"},"modified":"2011-01-13T09:48:53","modified_gmt":"2011-01-13T07:48:53","slug":"coefficiente-globale-di-scambio-termico","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/2725\/coefficiente-globale-di-scambio-termico\/","title":{"rendered":"Coefficiente globale di scambio termico"},"content":{"rendered":"<p>In parecchi articoli apparsi su queste pagine, si \u00e8 parlato di <a href=\"https:\/\/www.tempco.it\/blog\/616\/dimensionamento-termico-di-uno-scambiatore\/\">coefficiente globale di scambio termico<\/a>, o di trasmissione del calore.<\/p>\n<p>Tale coefficiente, viene utilizzato per il corretto dimensionamento degli <a href=\"http:\/\/www.tempco.it\/prodotti.asp?ID=84\" class=\"broken_link\">scambiatori di calore<\/a>.<\/p>\n<p>Come pi\u00f9 volte sottolineato, il coefficiente globale di scambio termico, non \u00e8 sempre uguale, ma cambia in funzione di:<\/p>\n<ul>\n<li><strong>tipi di fluidi interessanti allo scambio termico<\/strong><\/li>\n<li><strong>tipo di scambiatore<\/strong><\/li>\n<li><strong>velocit\u00e0 dei fluidi all&#8217;interno dello scambiatore<\/strong><\/li>\n<li><strong>regime di turbolenza\/linearit\u00e0 del moto dei fluidi<\/strong><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2011\/01\/NTseries_Pagina_2_Immagine_0001.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-2731\" title=\"plate heat exchanger\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2011\/01\/NTseries_Pagina_2_Immagine_0001-300x129.jpg\" alt=\"\" width=\"300\" height=\"129\" srcset=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2011\/01\/NTseries_Pagina_2_Immagine_0001-300x129.jpg 300w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2011\/01\/NTseries_Pagina_2_Immagine_0001.jpg 347w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><!--more--><\/p>\n<p>Possiamo affermare senza tema di smentita, che \u00e8 un valore intrinseco al progetto dello scambiatore, che assume rilevante importanza nel corretto dimensionamento delle apparecchiature stesse.<\/p>\n<p>Di seguito trovate una tabella riportante alcuni dei valori tipici di scambio termico, per i pi\u00f9 comuni casi che si presentano nella normale pratica.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2011\/01\/Typical-Heat-Transfer-Coefficients-1.pdf\">Typical Heat Transfer Coefficients<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In parecchi articoli apparsi su queste pagine, si \u00e8 parlato di coefficiente globale di scambio termico, o di trasmissione del [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14,3,8,49,9,51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - 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