{"id":669855,"date":"2024-09-16T01:31:41","date_gmt":"2024-09-16T00:31:41","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=669855"},"modified":"2024-09-16T01:31:41","modified_gmt":"2024-09-16T00:31:41","slug":"newtonyasiz-sivilari-anlamak","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/tr\/newtonyasiz-sivilari-anlamak\/","title":{"rendered":"Newtonyas\u0131z S\u0131v\u0131lar\u0131 Anlamak"},"content":{"rendered":"<p class=\"sidekick\">Newtonyas\u0131z s\u0131v\u0131lar ve \u00f6zellikleri, bu s\u0131v\u0131lar\u0131n \u00e7al\u0131\u015fma prensipleri ve termal m\u00fchendislikteki uygulamalar\u0131n\u0131 basit ve anla\u015f\u0131l\u0131r bir \u015fekilde a\u00e7\u0131kl\u0131yoruz.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/newtonyasiz_sivilari_anlamak.png\" alt=\"Newtonyas\u0131z S\u0131v\u0131lar\u0131 Anlamak\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Newtonyas\u0131z S\u0131v\u0131lar\u0131 Anlamak<\/h2>\n<p>Newtonyas\u0131z s\u0131v\u0131lar, klasik Newton s\u0131v\u0131lar\u0131ndan farkl\u0131 olarak daha karma\u015f\u0131k davran\u0131\u015flar sergiler. Newtonyas\u0131z s\u0131v\u0131lar, belirli bir kesme gerilimi alt\u0131nda sabit bir viskoziteye sahip olan Newton s\u0131v\u0131lar\u0131n\u0131n aksine, viskoziteyi de\u011fi\u015ftirir. Bu nedenle, bu s\u0131v\u0131lar\u0131n davran\u0131\u015flar\u0131n\u0131 ve \u00f6zelliklerini do\u011fru bir \u015fekilde anlamak, \u00e7e\u015fitli m\u00fchendislik uygulamalar\u0131nda olduk\u00e7a \u00f6nemlidir.<\/p>\n<h2>Newtonyas\u0131z S\u0131v\u0131lar\u0131n \u00d6zellikleri<\/h2>\n<ul>\n<li><b>Kesme incelmesi (pseudoplastik):<\/b> Bu s\u0131v\u0131lar, kesme h\u0131z\u0131 artt\u0131k\u00e7a viskoziteleri azal\u0131r. \u00d6rnekler aras\u0131nda boya ve di\u015f macunu bulunur.<\/li>\n<li><b>Kesme kal\u0131nla\u015fmas\u0131 (dilatant):<\/b> Kesme h\u0131z\u0131 artt\u0131k\u00e7a viskoziteleri artar. Kum ve m\u0131s\u0131r ni\u015fastas\u0131 s\u00fcspansiyonlar\u0131 gibi malzemeler bu kategoriye girer.<\/li>\n<li><b>Bingham plastikleri:<\/b> Bu s\u0131v\u0131lar, akmaya ba\u015flamadan \u00f6nce belirli bir kesme gerilimine ihtiya\u00e7 duyarlar. \u00c7amur ve di\u015f macunu gibi malzemeler bu t\u00fcr s\u0131v\u0131lara \u00f6rnektir.<\/li>\n<\/ul>\n<p>S\u0131v\u0131lar\u0131n viskozite-deformasyon ili\u015fkisi genellikle <i>kesme gerilimi \\(\\tau\\)<\/i> ve <i>kesme h\u0131z\u0131 \\(\\dot{\\gamma}\\)<\/i> aras\u0131ndaki ili\u015fkiye bak\u0131larak anla\u015f\u0131l\u0131r. Newton s\u0131v\u0131lar\u0131 i\u00e7in bu ili\u015fki basit bir do\u011frusal denklemle ifade edilir:<\/p>\n<p>$$ \\tau = \\eta \\dot{\\gamma} $$<\/p>\n<p>Burada \\(\\eta\\), sabit viskoziteyi temsil eder. Bununla birlikte, Newtonyas\u0131z s\u0131v\u0131lar, genellikle genelle\u015ftirilmi\u015f bir g\u00fc\u00e7 kanunu ile tan\u0131mlan\u0131r:<\/p>\n<p>$$ \\tau = k (\\dot{\\gamma})^n $$<\/p>\n<p>Burada <i>k<\/i> ve <i>n<\/i>, s\u0131v\u0131ya \u00f6zg\u00fc sabitlerdir. <i>n<\/i> de\u011feri s\u0131v\u0131n\u0131n t\u00fcr\u00fcne ba\u011fl\u0131d\u0131r:<\/p>\n<ul>\n<li><b>0 < n < 1:<\/b> Kesme incelmesi (viskozite azal\u0131r)<\/li>\n<li><b>n > 1:<\/b> Kesme kal\u0131nla\u015fmas\u0131 (viskozite artar)<\/li>\n<li><b>n = 1:<\/b> Newton s\u0131v\u0131lar\u0131 (sabit viskozite)<\/li>\n<\/ul>\n<h2>M\u00fchendislik Uygulamalar\u0131<\/h2>\n<p>Newtonyas\u0131z s\u0131v\u0131lar\u0131n \u00f6zellikleri \u00e7ok \u00e7e\u015fitli m\u00fchendislik alanlar\u0131nda uygulama bulur. \u00d6rne\u011fin, motor ya\u011f\u0131, \u015fampuan ve boyalar gibi g\u00fcnl\u00fck malzemeler Newtonyas\u0131z s\u0131v\u0131lara \u00f6rnek olarak g\u00f6sterilebilir. Bu s\u0131v\u0131lar, \u00f6zelliklerinden dolay\u0131 ak\u0131\u015fkan ta\u015f\u0131ma, kar\u0131\u015ft\u0131rma ve i\u015fleme s\u0131ras\u0131nda \u00f6zel dikkat gerektirir.<\/p>\n<ul>\n<li><b>G\u0131da M\u00fchendisli\u011fi:<\/b> Ket\u00e7ap, yo\u011furt ve dondurma gibi g\u0131da \u00fcr\u00fcnleri Newtonyas\u0131z s\u0131v\u0131 \u00f6zellikleri g\u00f6sterir. Bu \u00fcr\u00fcnlerin ak\u0131\u015f ve dolum i\u015flemlerinde bu \u00f6zellikler dikkate al\u0131nmal\u0131d\u0131r.<\/li>\n<li><b>Polimer End\u00fcstrisi:<\/b> Polimer eriyikler ve \u00e7\u00f6zeltiler de Newtonyas\u0131z s\u0131v\u0131lar olarak davran\u0131r. Bu durum, ekstr\u00fczyon ve kal\u0131plama i\u015flemlerinde \u00f6nemlidir.<\/li>\n<li><b>T\u0131bbi Uygulamalar:<\/b> Baz\u0131 biyolojik s\u0131v\u0131lar, \u00f6rne\u011fin kan, Newtonyas\u0131z \u00f6zellikler sergiler. Bu \u00f6zellikler, t\u0131bbi cihazlar\u0131n ve prosed\u00fcrlerin tasar\u0131m\u0131nda g\u00f6z \u00f6n\u00fcnde bulundurulmal\u0131d\u0131r.<\/li>\n<\/ul>\n<h2>Sonu\u00e7<\/h2>\n<p>Newtonyas\u0131z s\u0131v\u0131lar, klasik Newton s\u0131v\u0131lar\u0131ndan farkl\u0131 olarak daha karma\u015f\u0131k ve de\u011fi\u015fken ak\u0131\u015f \u00f6zelliklerine sahiptir. Bu s\u0131v\u0131lar\u0131n do\u011fru anla\u015f\u0131lmas\u0131, onlar\u0131n m\u00fchendislik uygulamalar\u0131nda etkin bir \u015fekilde kullan\u0131lmas\u0131n\u0131 sa\u011flar. G\u0131da, polimer ve t\u0131bbi end\u00fcstriler gibi \u00e7e\u015fitli alanlarda, bu s\u0131v\u0131lar\u0131n \u00f6zelliklerinin dikkate al\u0131nmas\u0131, s\u00fcre\u00e7lerin ve \u00fcr\u00fcnlerin kalite ve verimlili\u011fini art\u0131r\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Newtonyas\u0131z s\u0131v\u0131lar ve \u00f6zellikleri, bu s\u0131v\u0131lar\u0131n \u00e7al\u0131\u015fma prensipleri ve termal m\u00fchendislikteki uygulamalar\u0131n\u0131 basit ve anla\u015f\u0131l\u0131r bir \u015fekilde a\u00e7\u0131kl\u0131yoruz.<\/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>Newtonyas\u0131z S\u0131v\u0131lar\u0131 Anlamak<\/title>\n<meta name=\"description\" content=\"Newtonyas\u0131z 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