{"id":199,"date":"2008-02-12T00:01:27","date_gmt":"2008-02-11T22:01:27","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/199\/energia-di-pompaggio\/"},"modified":"2008-02-12T00:12:08","modified_gmt":"2008-02-11T22:12:08","slug":"energia-di-pompaggio","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/199\/energia-di-pompaggio\/","title":{"rendered":"Energia di pompaggio"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2008\/02\/allprod.thumbnail.jpg\" alt=\"pompe centrifughe per acqua\" \/>L&#8217;acqua \u00e8 uno dei fluidi pi\u00f9 utilizzati per veicolare l&#8217;energia termica.<\/p>\n<p>Sicuramente si utilizzano anche tanti altri fluidi, liquidi o gassosi, olio diatermico, aria, vapore (che poi \u00e8 ancora acqua&#8230;ma ad un ivello di teperatura pi\u00f9 alto), ma l&#8217;acqua \u00e8 quello che sicuramente troviamo pi\u00f9 spesso.<\/p>\n<p>L&#8217;acqua vene messa in movimento tramite <a href=\"http:\/\/it.wikipedia.org\/wiki\/Pompa_fluidodinamica#Pompe_centrifughe\">pompe, solitamente centrifughe<\/a>.<\/p>\n<p>Le pompe funzionano tramite motori elettrici o in casi particolari motori endotermici.<\/p>\n<p>In funzione della portata di acqua spostata  e della pressione, le pompe assorbono una certa potenza, che serve appunto per spostare l&#8217;acqua.<\/p>\n<p><!--more--><\/p>\n<p>Mi ritrovo spesso a dimensionare pompe ed impianti per il trasferimento di energia termica e molto spesso mi viene mossa l&#8217;obiezione di utilizzare diametri di tubazione elevati.<\/p>\n<p>La buona norma, dice che la velocit\u00e0 dell&#8217;acqua in una condotta, non dovrebbe superare <a href=\"http:\/\/www.engineeringpage.com\/calculators\/line_sizing\/utility.html\">il valore di 2,5 m\/sec, questo per evitare fenomeni di turbolenza<\/a>, quindi perdite di carico elevate, quindi di dover utilizzare pompe con alte pressioni, ovvero elevata potenza installata ed assorbita.<\/p>\n<p>Solitamente cerco di rimanere entro i 2 m\/sec. perch\u00e8 se \u00e8 vero come \u00e8 vero che costa mettere delle tubazioni pi\u00f9 grandi, \u00e8 anche sacrosanto che il tubo lo paghi la prima volta, la corrente elettrica la continui a pagare tutte le ore del giorno che la pompa funziona.<\/p>\n<p>Energia&#8230;risparmiata.<\/p>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2008\/02\/dscf0755jpg.jpg\" title=\"gruppo di pompaggio per sistema di raffreddamento\"><img decoding=\"async\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2008\/02\/dscf0755jpg.thumbnail.jpg\" alt=\"gruppo di pompaggio per sistema di raffreddamento\" \/><\/a><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2008\/02\/water-speed_page_1.jpg\" title=\"verifica di un dimensionamento con velocit\u00e0 tipica dell\u2019acqua in una tubazione\"><img decoding=\"async\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2008\/02\/water-speed_page_1.thumbnail.jpg\" alt=\"verifica di un dimensionamento con velocit\u00e0 tipica dell\u2019acqua in una tubazione\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;acqua \u00e8 uno dei fluidi pi\u00f9 utilizzati per veicolare l&#8217;energia termica. Sicuramente si utilizzano anche tanti altri fluidi, liquidi o [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,10],"tags":[],"class_list":["post-199","post","type-post","status-publish","format-standard","hentry","category-energia-termica","category-risparmio-energetico"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Energia di pompaggio - Tempco Blog<\/title>\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.tempco.it\/blog\/199\/energia-di-pompaggio\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Energia di pompaggio - Tempco Blog\" \/>\n<meta property=\"og:description\" content=\"L&#8217;acqua \u00e8 uno dei fluidi pi\u00f9 utilizzati per veicolare l&#8217;energia termica. 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