{"id":30730,"date":"2019-06-04T14:54:21","date_gmt":"2019-06-04T12:54:21","guid":{"rendered":"http:\/\/136.144.181.85\/~nedzink\/info-si-sfaturi\/fizica-in-constructii\/transferul-vaporilor\/"},"modified":"2019-06-04T14:54:21","modified_gmt":"2019-06-04T12:54:21","slug":"transferul-vaporilor","status":"publish","type":"page","link":"https:\/\/www.nedzink.com\/ro\/transferul-vaporilor\/","title":{"rendered":"Transferul vaporilor"},"content":{"rendered":"

Condensarea apei<\/h2>\n

Acoperi\u015furile sunt supuse stresului produs de for\u0163ele mecanice, dar \u015fi de aspectele fizice ale cl\u0103dirii. Acestea includ temperaturile fluctuante, care pot varia între – 20° C \u015fi + 80° C, \u015fi diferen\u0163ele dintre umiditatea aerului din interior \u015fi exterior.<\/p>\n

În situa\u0163ia des întâlnit\u0103, când temperatura intern\u0103 (Ti) este mai mare ca temperatura extern\u0103(Te), se întâmpl\u0103 ca umiditatea aerului din interior s\u0103 fie mai mare ca cea din exterior (vezi fig.2)<\/p>\n

Diferen\u0163a de presiune (Pi – Pe) face ca vaporii s\u0103 se deplaseze prin structura acoperi\u015fului din interior c\u0103tre exterior. Dac\u0103 acoperi\u015ful nu este construit corect, condensul sau înghe\u0163ul se vor forma pe interiorul relativ rece al titan-zincului.<\/p>\n

Deteriorarea \u015fi preven\u0163ia<\/h3>\n

Condensul excesiv poate d\u0103una în mai multe moduri. De exemplu, poate d\u0103una titan-zincului pe intrados ca rezultat al coroziunii, sau s\u0103 d\u0103uneze din cauza umidit\u0103\u0163ii în unele p\u0103r\u0163i ale structurii suport (coroziunea metalului, putrezirea sau muceg\u0103irea lemnului).  Etan\u015farea total\u0103 în interior nu este solu\u0163ia corect\u0103: în practic\u0103 nu se poate face, \u015fi în termenii regl\u0103rii umidit\u0103\u0163ii nu este de dorit acest lucru.<\/p>\n

În m\u0103sura ob\u0163inerii unei mi\u015fc\u0103ri optime a vaporilor \u015fi pentru a evita riscul de stric\u0103ciuni, trebuie urma\u021bi doi pa\u015fi pentru realizarea acestui lucru:  <\/p>\n

    \n
  1. La interiorul izola\u0163iei termice se pune o membran\u0103 de control vapori<\/li>\n
  2. Se prevede un spa\u0163iu de ventilare în exteriorul izola\u0163iei termice pentru a permite ventilarea cu aerul exterior<\/li>\n<\/ol>\n

    \n\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    Condensarea apei Acoperi\u015furile sunt supuse stresului produs de for\u0163ele mecanice, dar \u015fi de aspectele fizice ale cl\u0103dirii. Acestea includ temperaturile fluctuante, care pot varia între – 20° C \u015fi + 80° C, \u015fi diferen\u0163ele dintre umiditatea aerului din interior \u015fi exterior. În situa\u0163ia des întâlnit\u0103, când temperatura intern\u0103 (Ti) este mai mare ca temperatura extern\u0103(Te), […]<\/p>\n","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":670,"comment_status":"closed","ping_status":"closed","template":"template-import.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-30730","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nTransferul vaporilor – NedZink<\/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.nedzink.com\/ro\/transferul-vaporilor\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transferul vaporilor – NedZink\" \/>\n<meta property=\"og:description\" content=\"Condensarea apei Acoperi\u015furile sunt supuse stresului produs de for\u0163ele mecanice, dar \u015fi de aspectele fizice ale cl\u0103dirii. 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