{"id":913,"date":"2015-04-20T14:34:18","date_gmt":"2015-04-20T12:34:18","guid":{"rendered":"http:\/\/cadredidactice.ub.ro\/gavrilalucian\/?p=913"},"modified":"2015-04-20T14:34:18","modified_gmt":"2015-04-20T12:34:18","slug":"tema-2-fdt-2015","status":"publish","type":"post","link":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/2015\/04\/20\/tema-2-fdt-2015\/","title":{"rendered":"Tema 2 FDT 2015"},"content":{"rendered":"<p style=\"text-align: justify\">\u00centr-un schimb\u0103tor de c\u0103ldur\u0103 cu pl\u0103ci din industria laptelui, laptele pasteurizat, av\u00e2nd temperatura de 75 \u02daC este r\u0103cit p\u00e2n\u0103 la temperatura de 30 \u02daC, folosind ca agent de r\u0103cire apa, care se \u00eenc\u0103lze\u0219te de la 15 \u02daC la 65 \u02daC. \u0218tiind c\u0103 debitul de lapte supus r\u0103cirii este de 2400 L\/min, s\u0103 se \u00eentocmeasc\u0103 bilan\u021bul termic al schimb\u0103torului de c\u0103ldur\u0103 \u0219i s\u0103 se calculeze consumul specific de ap\u0103 de r\u0103cire (exprimat \u00een kg ap\u0103\/kg lapte r\u0103cit). Pierderile de c\u0103ldur\u0103 \u00een mediul ambiant se consider\u0103 neglijabile, iar schimb\u0103torul de c\u0103ldur\u0103 func\u021bioneaz\u0103 \u00een regim continuu, sta\u021bionar.<\/p>\n<p>Pe intervalele de temperatur\u0103 considerate se admite c\u0103 propriet\u0103\u021bile termofizice ale laptelui \u0219i ale apei r\u0103m\u00e2n constante, indepentente de temperatur\u0103:<\/p>\n<ul>\n<li>Densitate ap\u0103: 0,990 g\/mL<\/li>\n<li>Densitate lapte: 1020 kg\/m<sup>3<\/sup><\/li>\n<li>Capacitate termic\u0103 masic\u0103 ap\u0103: 4,18 kJ\/(kg x \u02daC)<\/li>\n<li>Capacitate termic\u0103 masic\u0103 lapte: 3460 J\/(kg x \u02daC)<\/li>\n<\/ul>\n<p><span style=\"color: #ff0000\"><strong>IMPORTANT!<\/strong><\/span><\/p>\n<ul>\n<li>Termen de expediere a problemei rezolvate:\u00a0<strong><span style=\"color: #ff0000\">6\u00a0mai 2015, ora 23:59<\/span><\/strong><\/li>\n<li>Tema rezolvat\u0103 se trimite la adresa de e-mail: [lgavrila] at [ub] punct [ro] , ca fi\u0219ier ata\u0219at<\/li>\n<li>Fi\u0219ierul ata\u0219at trebuie s\u0103 fie \u00een format\u00a0<span style=\"color: #0000ff\">.doc<\/span>, iar numele fi\u0219ierului s\u0103 fie de forma: \u201c<span style=\"color: #0000ff\">Nume_Prenume_Grupa_T2_FDT.doc<\/span>\u201d<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00centr-un schimb\u0103tor de c\u0103ldur\u0103 cu pl\u0103ci din industria laptelui, laptele pasteurizat, av\u00e2nd temperatura de 75 \u02daC este r\u0103cit p\u00e2n\u0103 la temperatura de 30 \u02daC, folosind ca agent de r\u0103cire apa, care se \u00eenc\u0103lze\u0219te de la 15 \u02daC la 65 \u02daC. \u0218tiind c\u0103 debitul de lapte supus r\u0103cirii este de 2400 L\/min, s\u0103 se \u00eentocmeasc\u0103 bilan\u021bul &hellip; <a href=\"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/2015\/04\/20\/tema-2-fdt-2015\/\" class=\"more-link\">Continu\u0103 lectura <span class=\"screen-reader-text\">Tema 2 FDT 2015<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":271,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103,156,157,155],"tags":[],"class_list":["post-913","post","type-post","status-publish","format-standard","hentry","category-actualizari","category-fenomene-de-transfer","category-fenomene-de-transfer-si-operatii-unitare","category-teme-pentru-acasa"],"views":821,"_links":{"self":[{"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/posts\/913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/users\/271"}],"replies":[{"embeddable":true,"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/comments?post=913"}],"version-history":[{"count":0,"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/posts\/913\/revisions"}],"wp:attachment":[{"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/media?parent=913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/categories?post=913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cadredidactice.ub.ro\/gavrilalucian\/wp-json\/wp\/v2\/tags?post=913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}