{"id":642063,"date":"2024-08-20T04:18:28","date_gmt":"2024-08-20T03:18:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=642063"},"modified":"2024-08-20T04:18:28","modified_gmt":"2024-08-20T03:18:28","slug":"5-tur-akiskan-direnci-ve-etkileri","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/tr\/5-tur-akiskan-direnci-ve-etkileri\/","title":{"rendered":"5 T\u00fcr Ak\u0131\u015fkan Direnci ve Etkileri"},"content":{"rendered":"<p class=\"sidekick\">Ak\u0131\u015fkan direnci t\u00fcrleri ve etkilerini inceleyen makalede, aerodinamikte ve termoak\u0131\u015fkanlarda diren\u00e7 t\u00fcrlerinin nas\u0131l olu\u015ftu\u011funu ve m\u00fchendislikteki \u00f6nemini \u00f6\u011freneceksiniz.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/5_tur_akiskan_direnci_ve_etkileri.png\" alt=\"5 T\u00fcr Ak\u0131\u015fkan Direnci ve Etkileri\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>5 T\u00fcr Ak\u0131\u015fkan Direnci ve Etkileri<\/h2>\n<p>Ak\u0131\u015fkan dinamikleri ve termal m\u00fchendislik alan\u0131nda, ak\u0131\u015fkan direnci \u00f6nemli bir konudur. Ak\u0131\u015fkan direnci, bir ak\u0131\u015fkan\u0131n hareketi s\u0131ras\u0131nda kar\u015f\u0131la\u015ft\u0131\u011f\u0131 kuvvetlere verilen add\u0131r. Bu yaz\u0131da, be\u015f t\u00fcr ak\u0131\u015fkan direncini ve bunlar\u0131n etkilerini inceleyece\u011fiz.<\/p>\n<h2>1. S\u00fcrt\u00fcnme Direnci<\/h2>\n<p>S\u00fcrt\u00fcnme direnci, bir ak\u0131\u015fkan\u0131n bir y\u00fczey \u00fczerinden akarken meydana gelen diren\u00e7 t\u00fcr\u00fcd\u00fcr. Bu direncin b\u00fcy\u00fckl\u00fc\u011f\u00fc, y\u00fczeyin p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcne ve ak\u0131\u015fkan\u0131n viskozitesine ba\u011fl\u0131d\u0131r. S\u00fcrt\u00fcnme direnci d\u00fc\u015f\u00fck viskoziteli ak\u0131\u015fkanlarda daha azd\u0131r. S\u00fcrt\u00fcnme direnci form\u00fcl\u00fc \u015fu \u015fekildedir:<\/p>\n<p><em>F<\/em> = <em> \u03bc<\/em> * <em>A<\/em> * <em>du\/dy<\/em><\/p>\n<p>Burada:<\/p>\n<ul>\n<li><em>F<\/em>: S\u00fcrt\u00fcnme direnci kuvveti<\/li>\n<li><em>\u03bc<\/em>: Ak\u0131\u015fkan\u0131n dinamik viskozitesi<\/li>\n<li><em>A<\/em>: Y\u00fczey alan\u0131<\/li>\n<li><em>du\/dy<\/em>: H\u0131z gradyan\u0131<\/li>\n<\/ul>\n<h2>2. Bas\u0131n\u00e7 Direnci<\/h2>\n<p>Bas\u0131n\u00e7 direnci, bir cisim ak\u0131\u015fkan i\u00e7inde hareket ederken olu\u015fan bas\u0131n\u00e7 fark\u0131n\u0131n sebep oldu\u011fu diren\u00e7tir. Bu diren\u00e7, cismin bi\u00e7imine, ak\u0131\u015f h\u0131z\u0131na ve ak\u0131\u015fkan\u0131n yo\u011funlu\u011funa ba\u011fl\u0131d\u0131r. \u00d6zellikle aerodinamik ve hidrodinamik tasar\u0131mlarda dikkate al\u0131n\u0131r.<\/p>\n<h2>3. Form Direnci<\/h2>\n<p>Form direnci, bir cismin \u015feklinin ak\u0131\u015fkan hareketiyle etkile\u015fimi sonucu olu\u015fur. Hava ve su gibi ak\u0131\u015fkanlar\u0131n cismin etraf\u0131ndan ge\u00e7erken olu\u015fturdu\u011fu t\u00fcrb\u00fclans ve ayr\u0131lmalar bu direnci art\u0131rabilir. Form direnci, ak\u0131\u015fkan\u0131n h\u0131z\u0131na ve cismin \u00e7ap\u0131na (D) ba\u011fl\u0131d\u0131r. Yayg\u0131n kullan\u0131lan form\u00fcl:<\/p>\n<p><em>F<\/em> = 1\/2 * <em>Cd<\/em> * <em>\u03c1<\/em> * <em>v<\/em><sup>2<\/sup> * <em>A<\/em><\/p>\n<p>Burada:<\/p>\n<ul>\n<li><em>Cd<\/em>: S\u00fcr\u00fckleme katsay\u0131s\u0131<\/li>\n<li><em>\u03c1<\/em>: Ak\u0131\u015fkan\u0131n yo\u011funlu\u011fu<\/li>\n<li><em>v<\/em>: Ak\u0131\u015f h\u0131z<\/li>\n<li><em>A<\/em>: Kesit alan\u0131<\/li>\n<\/ul>\n<h2>4. Dalgac\u0131k Direnci<\/h2>\n<p>Dalgac\u0131k direnci, \u00f6zellikle deniz ta\u015f\u0131tlar\u0131nda g\u00f6r\u00fcl\u00fcr ve y\u00fczeyde olu\u015fan dalgalar\u0131n enerji kayb\u0131na neden olmas\u0131yla olu\u015fur. Bu diren\u00e7 t\u00fcr\u00fc, dalga y\u00fcksekli\u011fi ve frekans\u0131 ile do\u011frudan ili\u015fkilidir. H\u0131z\u0131n karek\u00f6k\u00fc ile artar ve b\u00fcy\u00fck \u00f6l\u00e7\u00fcde tasar\u0131mla azalt\u0131labilir.<\/p>\n<h2>5. Vorteks Direnci<\/h2>\n<p>Vorteks direnci, ak\u0131\u015fkan\u0131n bir cisim etraf\u0131nda hareket etmesi s\u0131ras\u0131nda t\u00fcrb\u00fclans ve vorteksler olu\u015ftu\u011funda meydana gelir. Bu vorteksler, cismin arkas\u0131nda d\u00fc\u015f\u00fck bas\u0131n\u00e7 b\u00f6lgeleri olu\u015fturur ve cismi geri \u00e7eken bir kuvvet olu\u015fturur. \u00d6zellikle y\u00fcksek h\u0131zlarda ve b\u00fcy\u00fck boyutlu cisimlerde \u00f6nemlidir.<\/p>\n<p>Bu farkl\u0131 ak\u0131\u015fkan direnci t\u00fcrlerini anlamak, m\u00fchendislerin ve bilim insanlar\u0131n\u0131n daha verimli ve etkili tasar\u0131mlar yapmas\u0131na yard\u0131mc\u0131 olur. Bu diren\u00e7 t\u00fcrlerini y\u00f6neterek enerji tasarrufu sa\u011flanabilir ve performans art\u0131r\u0131labilir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ak\u0131\u015fkan direnci t\u00fcrleri ve etkilerini inceleyen makalede, aerodinamikte ve termoak\u0131\u015fkanlarda diren\u00e7 t\u00fcrlerinin nas\u0131l olu\u015ftu\u011funu ve m\u00fchendislikteki \u00f6nemini \u00f6\u011freneceksiniz.<\/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>5 T\u00fcr Ak\u0131\u015fkan Direnci ve Etkileri<\/title>\n<meta name=\"description\" content=\"Ak\u0131\u015fkan direnci t\u00fcrleri ve etkilerini inceleyen makalede, aerodinamikte ve termoak\u0131\u015fkanlarda diren\u00e7 t\u00fcrlerinin nas\u0131l 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