{"id":663237,"date":"2024-09-22T00:41:10","date_gmt":"2024-09-21T23:41:10","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=663237"},"modified":"2024-09-22T00:41:10","modified_gmt":"2024-09-21T23:41:10","slug":"venturi-olcer-prensip-turler-akis-hizi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/tr\/venturi-olcer-prensip-turler-akis-hizi\/","title":{"rendered":"Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f H\u0131z\u0131"},"content":{"rendered":"<p class=\"sidekick\">Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f H\u0131z\u0131: Termal m\u00fchendislikte Venturi \u00f6l\u00e7erlerin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, farkl\u0131 t\u00fcrlerini ve ak\u0131\u015f h\u0131z\u0131 hesaplamalar\u0131n\u0131 \u00f6\u011frenin.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/venturi_olcer_prensip_turler_akis_hizi.png\" alt=\"Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f H\u0131z\u0131\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f H\u0131z\u0131<\/h2>\n<p>Venturi \u00f6l\u00e7er, ak\u0131\u015fkanlar\u0131n (s\u0131v\u0131 veya gaz) ak\u0131\u015f h\u0131z\u0131n\u0131 \u00f6l\u00e7mek i\u00e7in kullan\u0131lan bir cihazd\u0131r. Bu cihaz, bas\u0131n\u00e7 farkl\u0131l\u0131klar\u0131n\u0131 kullanarak ak\u0131\u015f h\u0131z\u0131n\u0131 belirler. \u0130lk olarak 1797 y\u0131l\u0131nda Giovanni Battista Venturi taraf\u0131ndan ke\u015ffedilmi\u015f ve bu prensip \u00fczerine kurulmu\u015ftur. Venturi \u00f6l\u00e7erler genellikle s\u0131v\u0131lar\u0131n \u00fczerinde \u00e7al\u0131\u015fmak i\u00e7in daha s\u0131k kullan\u0131l\u0131r, ancak gazlar i\u00e7in de uygundur.<\/p>\n<h2>Prensip<\/h2>\n<p>Venturi \u00f6l\u00e7erlerin \u00e7al\u0131\u015fma prensibi, Bernoulli Teoremi&#8217;ne dayan\u0131r. Bu teorem, bir ak\u0131\u015fkan\u0131n h\u0131z\u0131n\u0131n artt\u0131\u011f\u0131 yerde bas\u0131nc\u0131n\u0131n azalaca\u011f\u0131n\u0131 belirtir. Venturi \u00f6l\u00e7er, borunun daralan k\u0131sm\u0131na sahip bir t\u00fcp kullanarak ak\u0131\u015fkan\u0131n h\u0131z\u0131n\u0131 ve buna ba\u011fl\u0131 olarak bas\u0131n\u00e7 de\u011fi\u015fimlerini \u00f6l\u00e7er. A\u015fa\u011f\u0131daki ad\u0131mlarla bu prensip a\u00e7\u0131klanabilir:<\/p>\n<p><u1><\/p>\n<li>Ak\u0131\u015fkan, geni\u015f bir borudan dar bir boruya do\u011fru hareket eder.<\/li>\n<li>Darl\u0131kta, ak\u0131\u015fkan\u0131n h\u0131z\u0131 artar.<\/li>\n<li>H\u0131z artt\u0131k\u00e7a, Bernoulli Teoremi&#8217;ne g\u00f6re bas\u0131n\u00e7 azal\u0131r.<\/li>\n<li>Debimetre, bu bas\u0131n\u00e7 de\u011fi\u015fikli\u011fini \u00f6l\u00e7er ve h\u0131z ile ak\u0131\u015f h\u0131z\u0131 hesaplan\u0131r.<\/li>\n<p><\/u1><\/p>\n<p>Venturi t\u00fcp\u00fcn\u00fcn daralan b\u00f6l\u00fcm\u00fcne giri\u015f ve \u00e7\u0131k\u0131\u015f b\u00f6lgelerindeki bas\u0131n\u00e7 fark\u0131, ak\u0131\u015fkan\u0131n h\u0131z\u0131n\u0131n bir g\u00f6stergesi olarak kullan\u0131l\u0131r. Bu fark, Bernoulli denklemi kullan\u0131larak hesaplan\u0131r ve \u015fu \u015fekilde ifade edilir:<\/p>\n<p>\\[ \\Delta P = \\frac{1}{2} \\rho (v_2^2 &#8211; v_1^2) \\]\n<p>Burada:<\/p>\n<ul>\n<li>\\(\\Delta P\\) = Bas\u0131n\u00e7 fark\u0131<\/li>\n<li>\\(\\rho\\) = Ak\u0131\u015fkan\u0131n yo\u011funlu\u011fu<\/li>\n<li>\\(v_1\\) = Geni\u015f borudaki h\u0131z<\/li>\n<li>\\(v_2\\) = Dar borudaki h\u0131z<\/li>\n<\/ul>\n<h2>T\u00fcrler<\/h2>\n<p>Venturi \u00f6l\u00e7erler tasar\u0131m\u0131na ve kullan\u0131m alan\u0131na g\u00f6re \u00e7e\u015fitlenir. Ba\u015fl\u0131ca t\u00fcrleri \u015funlard\u0131r:<\/p>\n<ol>\n<li><strong>Klasik Venturi \u00d6l\u00e7er:<\/strong> Orijinal tasar\u0131ma sahip olan basit ve g\u00fcvenilir bir \u00f6l\u00e7erdir.<\/li>\n<li><strong>Flan\u015fl\u0131 Venturi \u00d6l\u00e7er:<\/strong> Borular aras\u0131na flan\u015flar ile monte edilen bu t\u00fcr, kolay montaj ve demontaj imkan\u0131 sa\u011flar.<\/li>\n<li><strong>Konik Venturi \u00d6l\u00e7er:<\/strong> Ak\u0131\u015fkan\u0131n daha d\u00fczg\u00fcn bir ge\u00e7i\u015f yapmas\u0131n\u0131 sa\u011flayan konik bir daralma i\u00e7erir.<\/li>\n<li><strong>Metal Bantl\u0131 Venturi \u00d6l\u00e7er:<\/strong> A\u015f\u0131nd\u0131r\u0131c\u0131 veya kirli ak\u0131\u015fkanlar\u0131n \u00f6l\u00e7\u00fclmesi i\u00e7in bir metal bant kullanarak koruma sa\u011flayan t\u00fcrd\u00fcr.<\/li>\n<\/ol>\n<h2>Ak\u0131\u015f H\u0131z\u0131<\/h2>\n<p>Ak\u0131\u015fkan\u0131n h\u0131z\u0131n\u0131 ve ak\u0131\u015f h\u0131z\u0131n\u0131 belirlemek i\u00e7in Venturi \u00f6l\u00e7erdeki bas\u0131n\u00e7 fark\u0131 kullan\u0131l\u0131r. Ak\u0131\u015f h\u0131z\u0131n\u0131 bulmak i\u00e7in Bernoulli denklemi ve s\u00fcreklilik denklemi birlikte kullan\u0131l\u0131r. S\u00fcreklilik denklemi \u015fu \u015fekildedir:<\/p>\n<p>\\[ A_1 v_1 = A_2 v_2 \\]\n<p>Burada:<\/p>\n<ul>\n<li>\\(A_1\\) = Geni\u015f borunun kesit alan\u0131<\/li>\n<li>\\(A_2\\) = Dar borunun kesit alan\u0131<\/li>\n<li>\\(v_1\\) = Geni\u015f borudaki h\u0131z<\/li>\n<li>\\(v_2\\) = Dar borudaki h\u0131z<\/li>\n<\/ul>\n<p>Ak\u0131\u015fkan\u0131n yo\u011funlu\u011fu \\(\\rho\\) ve bas\u0131n\u00e7 fark\u0131 \\(\\Delta P\\) bilindi\u011finde, daralmadan \u00f6nce ve sonraki h\u0131zlar hesaplanabilir. Daha sonra, ak\u0131\u015f kanallar\u0131n\u0131n kesit alanlar\u0131na ba\u011fl\u0131 olarak ak\u0131\u015f h\u0131z\u0131 (Q) bulunur:<\/p>\n<p>\\[ Q = A_1 v_1 = A_2 v_2 \\]\n<p>Sonu\u00e7 olarak, Venturi \u00f6l\u00e7er, bas\u0131n\u00e7 farklar\u0131ndan faydalanarak ak\u0131\u015fkanlar\u0131n h\u0131z\u0131n\u0131 ve ak\u0131\u015f h\u0131z\u0131n\u0131 belirlemekte etkin ve g\u00fcvenilir bir cihazd\u0131r. Farkl\u0131 t\u00fcrleri sayesinde \u00e7e\u015fitli uygulama alanlar\u0131nda kullan\u0131m\u0131 m\u00fcmk\u00fcn k\u0131lar ve i\u015flemeli bak\u0131m gerektirmeyen uzun \u00f6m\u00fcrl\u00fc bir \u00e7\u00f6z\u00fcmd\u00fcr.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f H\u0131z\u0131: Termal m\u00fchendislikte Venturi \u00f6l\u00e7erlerin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131, farkl\u0131 t\u00fcrlerini ve ak\u0131\u015f h\u0131z\u0131 hesaplamalar\u0131n\u0131 \u00f6\u011frenin.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[131],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Venturi \u00d6l\u00e7er | Prensip, T\u00fcrler, Ak\u0131\u015f 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