{"id":641243,"date":"2024-08-29T23:14:18","date_gmt":"2024-08-29T22:14:18","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=641243"},"modified":"2024-08-29T23:14:18","modified_gmt":"2024-08-29T22:14:18","slug":"6-cesit-akiskan-viskozitesi-olcum-yontemi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/tr\/6-cesit-akiskan-viskozitesi-olcum-yontemi\/","title":{"rendered":"6 \u00c7e\u015fit Ak\u0131\u015fkan Viskozitesi \u00d6l\u00e7\u00fcm Y\u00f6ntemi"},"content":{"rendered":"<p class=\"sidekick\">Ak\u0131\u015fkan viskozitesi \u00f6l\u00e7\u00fcm\u00fcnde kullan\u0131lan 6 y\u00f6ntemi ve bu y\u00f6ntemlerin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 a\u00e7\u0131klayan kapsaml\u0131 bir rehber.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/6_cesit_akiskan_viskozitesi_olcum_yontemi.png\" alt=\"6 \u00c7e\u015fit Ak\u0131\u015fkan Viskozitesi \u00d6l\u00e7\u00fcm Y\u00f6ntemi\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>6 \u00c7e\u015fit Ak\u0131\u015fkan Viskozitesi \u00d6l\u00e7\u00fcm Y\u00f6ntemi<\/h2>\n<p>Viskozite, bir ak\u0131\u015fkan\u0131n akmaya kar\u015f\u0131 g\u00f6sterdi\u011fi direncin bir \u00f6l\u00e7\u00fct\u00fcd\u00fcr. Bu diren\u00e7, s\u0131v\u0131 ve gaz gibi ak\u0131\u015fkanlar\u0131n davran\u0131\u015flar\u0131n\u0131 anlamak ve tasarlamak i\u00e7in \u00f6nemli bir parametredir. Viskoziteyi \u00f6l\u00e7mek i\u00e7in \u00e7e\u015fitli y\u00f6ntemler kullan\u0131l\u0131r. \u0130\u015fte ak\u0131\u015fkan viskozitesini \u00f6l\u00e7mek i\u00e7in en yayg\u0131n 6 y\u00f6ntem:<\/p>\n<ul>\n<li>Kapiler Viskozimetre<\/li>\n<li>Falling Sphere (D\u00fc\u015fen K\u00fcre) Viskozimetresi<\/li>\n<li>D\u00f6nel (Rotasyonel) Viskozimetre<\/li>\n<li>Saybolt Viskozimetresi<\/li>\n<li>Brookfield Viskozimetresi<\/li>\n<li>Osilasyonel (Sal\u0131n\u0131m) Viskozimetre<\/li>\n<\/ul>\n<h2>Kapiler Viskozimetre<\/h2>\n<p>Kapiler viskozimetre, ince bir boru i\u00e7inden ak\u0131\u015fkan\u0131n ak\u0131\u015f s\u00fcresini \u00f6l\u00e7er. Ak\u0131\u015fkan belirli bir y\u00fckseklikten kapiler boruya girer ve yer\u00e7ekimi etkisiyle altta bulunan bir hazneye akar. Ak\u0131\u015f s\u00fcresine ba\u011fl\u0131 olarak viskozite \u015fu form\u00fclle hesaplan\u0131r:<\/p>\n<pre>\n    \\[ \\eta = k \\cdot \\rho \\cdot t \\]\n<\/pre>\n<p>Burada, <i>k<\/i> cihaz sabiti, <i>\u03c1<\/i> ak\u0131\u015fkan\u0131n yo\u011funlu\u011fu ve <i>t<\/i> ak\u0131\u015f s\u00fcresidir.<\/p>\n<h2>Falling Sphere (D\u00fc\u015fen K\u00fcre) Viskozimetresi<\/h2>\n<p>Bu y\u00f6ntem, ak\u0131\u015fkan i\u00e7inde d\u00fc\u015fen bir k\u00fcrenin h\u0131z\u0131n\u0131 temel al\u0131r. K\u00fcre uygun bir boyuta sahip olmal\u0131 ve belirli bir s\u0131v\u0131 i\u00e7inde sabit bir h\u0131zla d\u00fc\u015fmelidir. Stokes yasas\u0131na g\u00f6re viskozite \u015fu \u015fekilde hesaplan\u0131r:<\/p>\n<pre>\n    \\[ \\eta = \\frac{2 \\cdot (r^2 \\cdot (\\rho_s - \\rho_f) \\cdot g)}{9 \\cdot v} \\]\n<\/pre>\n<p>Burada, <i>r<\/i> k\u00fcrenin yar\u0131\u00e7ap\u0131, <i>\u03c1_s<\/i> k\u00fcrenin yo\u011funlu\u011fu, <i>\u03c1_f<\/i> ak\u0131\u015fkan\u0131n yo\u011funlu\u011fu, <i>g<\/i> yer\u00e7ekimi ivmesi ve <i>v<\/i> k\u00fcrenin terminal h\u0131z\u0131d\u0131r.<\/p>\n<h2>D\u00f6nel (Rotasyonel) Viskozimetre<\/h2>\n<p>D\u00f6nel viskozimetreler, ak\u0131\u015fkan\u0131n bir silindir veya koni ile d\u00f6nme direncini \u00f6l\u00e7erek viskoziteyi belirler. Cihaz, d\u00f6nme momentini ve a\u00e7\u0131sal h\u0131z\u0131 kullanarak viskoziteyi hesaplar. Viskozite \u015fu form\u00fclle ifade edilir:<\/p>\n<pre>\n    \\[ \\eta = \\frac{M}{\\omega \\cdot R^3} \\]\n<\/pre>\n<p>Burada, <i>M<\/i> moment, <i>\u03c9<\/i> a\u00e7\u0131sal h\u0131z ve <i>R<\/i> d\u00f6nme yar\u0131\u00e7ap\u0131d\u0131r.<\/p>\n<h2>Saybolt Viskozimetresi<\/h2>\n<p>Saybolt viskozimetresi, bir ak\u0131\u015fkan\u0131n belirli bir hacmini bir orifis (delik) \u00fczerinden akma s\u00fcresini \u00f6l\u00e7en bir cihazd\u0131r. Bu s\u00fcre, viskozitenin dolayl\u0131 bir \u00f6l\u00e7\u00fcs\u00fcd\u00fcr ve Saybolt Universal Seconds (SUS) birimi ile ifade edilir.<\/p>\n<h2>Brookfield Viskozimetresi<\/h2>\n<p>Brookfield viskozimetresi, bir milin d\u00f6nme hareketine kar\u015f\u0131 ak\u0131\u015fkan\u0131n g\u00f6sterdi\u011fi direnci \u00f6l\u00e7er. Milin d\u00f6nme h\u0131z\u0131 ve ak\u0131\u015fkan\u0131n bu harekete kar\u015f\u0131 uygulad\u0131\u011f\u0131 tork kullan\u0131larak viskozite hesaplan\u0131r.<\/p>\n<h2>Osilasyonel (Sal\u0131n\u0131m) Viskozimetre<\/h2>\n<p>Osilasyonel viskozimetreler, bir cisim veya sens\u00f6r\u00fcn sal\u0131n\u0131m hareketine kar\u015f\u0131 ak\u0131\u015fkan\u0131n g\u00f6sterdi\u011fi direnci \u00f6l\u00e7er. Sal\u0131n\u0131m frekans\u0131 ve s\u00f6n\u00fcm oran\u0131 viskoziteyi belirlemede kullan\u0131l\u0131r.<\/p>\n<p>Bu alt\u0131 y\u00f6ntem, \u00e7e\u015fitli ak\u0131\u015fkanlar i\u00e7in viskozitenin belirlenmesinde yard\u0131mc\u0131 olur ve her bir y\u00f6ntem farkl\u0131 uygulama alanlar\u0131 ve avantajlar\u0131 ile \u00f6ne \u00e7\u0131kar. Do\u011fru y\u00f6ntemi se\u00e7mek, \u00f6l\u00e7\u00fcm\u00fcn hassasiyeti ve do\u011frulu\u011fu a\u00e7\u0131s\u0131ndan son derece \u00f6nemlidir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ak\u0131\u015fkan viskozitesi \u00f6l\u00e7\u00fcm\u00fcnde kullan\u0131lan 6 y\u00f6ntemi ve bu y\u00f6ntemlerin nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 a\u00e7\u0131klayan kapsaml\u0131 bir rehber.<\/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>6 \u00c7e\u015fit Ak\u0131\u015fkan Viskozitesi \u00d6l\u00e7\u00fcm Y\u00f6ntemi<\/title>\n<meta name=\"description\" content=\"Ak\u0131\u015fkan viskozitesi \u00f6l\u00e7\u00fcm\u00fcnde kullan\u0131lan 6 y\u00f6ntemi ve bu y\u00f6ntemlerin 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