{"id":10798,"date":"2024-08-21T13:50:44","date_gmt":"2024-08-21T11:50:44","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=10798"},"modified":"2024-08-21T13:50:44","modified_gmt":"2024-08-21T11:50:44","slug":"gravitacionnaya-cirkulyaciya-opredelenie","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/ro\/gravitacionnaya-cirkulyaciya-opredelenie\/","title":{"rendered":"Circula\u021bia gravita\u021bional\u0103 (defini\u021bie)"},"content":{"rendered":"

Circula\u021bia gravita\u021bional\u0103<\/strong> este un proces de mi\u0219care natural\u0103 lichid de r\u0103cire<\/a> (lichid sau gaz) \u00eentr-un sistem de \u00eenc\u0103lzire sau r\u0103cire, pe baza diferen\u021bei de densit\u0103\u021bi a substan\u021belor calde \u0219i reci. \u00cen acela\u0219i timp, lichidul de r\u0103cire fierbinte, av\u00e2nd o densitate mai mic\u0103, se ridic\u0103, iar lichidul de r\u0103cire rece, cu o densitate mai mare, cade \u00een jos, cre\u00e2nd un flux natural \u00een sistem f\u0103r\u0103 a fi nevoie de utilizarea pompelor mecanice.<\/p>\n

Caracteristici cheie:<\/h3>\n
    \n
  1. Principiul de func\u021bionare<\/strong>:\n
      \n
    • Gradient termic<\/strong>: \u00centr-un sistem de circula\u021bie gravita\u021bional\u0103, un lichid (sau gaz) fierbinte se \u00eenc\u0103lze\u0219te \u0219i se extinde, f\u0103c\u00e2ndu-l mai pu\u021bin dens. Acest lucru face ca lichidul de r\u0103cire fierbinte s\u0103 se ridice \u00een sus, \u00een timp ce lichidul de r\u0103cire rece, r\u0103cit \u0219i mai dens, se scufund\u0103. Acest lucru creeaz\u0103 o mi\u0219care natural\u0103 a lichidului de r\u0103cire prin sistem.<\/li>\n<\/ul>\n<\/li>\n
    • Avantaje<\/strong>:\n
        \n
      • Simplitate<\/strong>: Nu necesit\u0103 utilizarea pompelor de circula\u021bie sau a altor echipamente complexe.<\/li>\n
      • Fiabilitate<\/strong>: Risc mai mic de avarii, deoarece nu exist\u0103 piese mobile care s\u0103 se defecteze.<\/li>\n
      • Eficien\u021b\u0103 energetic\u0103<\/strong>: Eliminarea necesit\u0103\u021bii de energie electric\u0103 pentru a func\u021biona pompele reduce costurile de operare.<\/li>\n<\/ul>\n<\/li>\n
      • Restric\u021bii<\/strong>:\n
          \n
        • Eficien\u0163\u0103<\/strong>: Circula\u021bia gravita\u021bional\u0103 poate fi mai pu\u021bin eficient\u0103 \u00een sistemele mari sau \u00een sistemele cu conducte lungi unde diferen\u021ba de temperatur\u0103 nu este \u00eentotdeauna suficient\u0103 pentru a genera o presiune semnificativ\u0103.<\/li>\n
        • Ajustare<\/strong>: Ajustare mai complex\u0103 a temperaturii \u0219i distribu\u021biei c\u0103ldurii, deoarece nu este posibil s\u0103 se controleze cu precizie debitul de lichid de r\u0103cire.<\/li>\n<\/ul>\n<\/li>\n
        • Echipamente<\/strong>:\n
            \n
          • Conducte<\/strong>: Sistemul trebuie proiectat pentru circula\u021bia gravita\u021bional\u0103, ceea ce presupune utilizarea conductelor instalate la unghiul corect pentru o mi\u0219care optim\u0103 a fluidului.<\/li>\n
          • Radiatoare \u0219i convectoare<\/strong>: Trebuie instalat astfel \u00eenc\u00e2t lichidul fierbinte s\u0103 se poat\u0103 ridica efectiv la ele \u0219i lichidul r\u0103cit s\u0103 se poat\u0103 \u00eentoarce \u00een sistem.<\/li>\n<\/ul>\n<\/li>\n
          • Instalare \u0219i configurare<\/strong>:\n
              \n
            • Pozarea conductelor<\/strong>: Conductele trebuie instalate la panta corect\u0103 pentru a permite curgerea natural\u0103 a fluidului. Acest lucru necesit\u0103 de obicei pante de la 1-2% \u00een func\u021bie de lungimea \u0219i diametrul \u021bevilor.<\/li>\n
            • Ajustare<\/strong>: Este important s\u0103 configura\u021bi corect sistemul pentru a asigura o mi\u0219care eficient\u0103 a lichidului de r\u0103cire \u0219i pentru a evita problemele de circula\u021bie.<\/li>\n<\/ul>\n<\/li>\n
            • Aplica\u021bie<\/strong>:\n
                \n
              • Sisteme mici de \u00eenc\u0103lzire<\/strong>: Circula\u021bia gravita\u021bional\u0103 este adesea folosit\u0103 \u00een sistemele de \u00eenc\u0103lzire mai vechi sau mici, unde nu sunt necesare sisteme complexe de pompare.<\/li>\n
              • Sisteme tradi\u021bionale<\/strong>: Poate fi folosit in sistemele traditionale de incalzire unde sistemul a fost proiectat tinand cont de miscarea naturala a lichidului de racire. Circula\u021bia gravita\u021bional\u0103 este o op\u021biune economic\u0103 pentru un sistem autonom.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                Exemplu de utilizare:<\/h3>\n

                \u00centr-un sistem tradi\u021bional de \u00eenc\u0103lzire cu circula\u021bie gravita\u021bional\u0103, apa cald\u0103 se ridic\u0103 \u00een sus c\u0103tre radiatoarele situate la etajele superioare \u0219i apoi se \u00eentoarce \u00een cazan dup\u0103 r\u0103cire. Acest lucru asigur\u0103 distribu\u021bia uniform\u0103 a c\u0103ldurii \u00een \u00eentregul sistem f\u0103r\u0103 a fi nevoie de energie electric\u0103 pentru pompe.<\/p>","protected":false},"excerpt":{"rendered":"

                \u0413\u0440\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0446\u0438\u0440\u043a\u0443\u043b\u044f\u0446\u0438\u044f \u2014 \u044d\u0442\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0435\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0442\u0435\u043f\u043b\u043e\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044f (\u0436\u0438\u0434\u043a\u043e\u0441\u0442\u0438 \u0438\u043b\u0438 \u0433\u0430\u0437\u0430) \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043e\u0442\u043e\u043f\u043b\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u043e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u044f, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0440\u0430\u0437\u043d\u0438\u0446\u0435 \u043f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u0435\u0439 \u0433\u043e\u0440\u044f\u0447\u0435\u0433\u043e \u0438 \u0445\u043e\u043b\u043e\u0434\u043d\u043e\u0433\u043e \u0432\u0435\u0449\u0435\u0441\u0442\u0432\u0430. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c, \u0433\u043e\u0440\u044f\u0447\u0438\u0439 \u0442\u0435\u043f\u043b\u043e\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c, \u043e\u0431\u043b\u0430\u0434\u0430\u044f \u043c\u0435\u043d\u044c\u0448\u0435\u0439 \u043f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c\u044e, \u043f\u043e\u0434\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u0432\u0432\u0435\u0440\u0445, \u0430 \u0445\u043e\u043b\u043e\u0434\u043d\u044b\u0439, \u0441 \u0431\u043e\u043b\u044c\u0448\u0435\u0439 \u043f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c\u044e, \u043e\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0441\u044f \u0432\u043d\u0438\u0437, \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u044f \u0435\u0441\u0442\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u0442\u043e\u043a \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0431\u0435\u0437 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043d\u0430\u0441\u043e\u0441\u043e\u0432. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438: \u041f\u0440\u0438\u043d\u0446\u0438\u043f \u0440\u0430\u0431\u043e\u0442\u044b: \u0422\u0435\u043f\u043b\u043e\u0432\u043e\u0439 […]\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-10798","post","type-post","status-publish","format-standard","hentry","category-baza-terminov-po-otopleniyu"],"_links":{"self":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10798","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/comments?post=10798"}],"version-history":[{"count":2,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10798\/revisions"}],"predecessor-version":[{"id":10800,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/posts\/10798\/revisions\/10800"}],"wp:attachment":[{"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/media?parent=10798"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/categories?post=10798"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firebox.com.ua\/ro\/wp-json\/wp\/v2\/tags?post=10798"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}