نتایج جستجو برای: biviscous fluid
تعداد نتایج: 220322 فیلتر نتایج به سال:
dynamic behavior of ground supported cylindrical storage tanks (cst) is of crucial importance because of its applications in industrial complexes. seismic behavior of tanks is greatly affected by the height to diameter ratio, fluid height and fluid type. five csts with different height to diameter ratios, three csts with the same height and diameters but various fluid heights and one cst with t...
background: previous studies have shown that preeclampsia is associated with elevated maternal serum homocysteine levels, but few studies have evaluated homocysteine levels in amniotic fluid in these patients. the purpose of this study was to compare amniotic fluid homocysteine levels in preeclamptic women, with those of normal pregnant women. methods: a cross sectional study was done on 46 pre...
introduction : solubility of root filling materials is heavily influenced by the environment they are in contact with. this study compared the solubility of proroot mta in deionized water and synthetic tissue fluid. materials & methods: forty specimens of prepared mta were immersed in deionized water and synthetic tissue fluid (20 samples each). the solubility was assessed after 7 and 28 days. ...
this paper addresses the combined effects of couple stresses, thermal radiation, viscous dissipation and slip condition on a free convective flow of a couple stress fluid induced by a vertical stretching sheet. the cogley- vincenti-gilles equilibrium model is employed to include the effects of thermal radiation in the study. the governing boundary layer equations are transformed into a system o...
بهبود انتقال حرارت جوشش که به عنوان یکی از موثرترین و کارآمدترین فرایندهای انتقال حرارت در کاربردهای متنوع مهندسی رخ می دهد، موضوع تحقیقات متعددی در سالهای اخیر بوده است. انتقال حرارت جوشش تحت تأثیر شار حرارتی دیواره، دمای سطح گرم شونده، شکل سطح، خصوصیات سطح و نیز خصوصیات ترموفیزیکی سیال و حضور مواد افزودنی مثل ذرات جامد، معلق سازها و گازهای محلول می باشد. هدف از این تحقیق بررسی ویژگی های جوشش ...
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