Naser Kordani
University of Mazandaran [email protected]
[ 1 ] - Forced vibration of piezoelectric nanowires based on nonlocal elasticity theory
In this paper, a numerical solution procedure is presented for the free and forced vibration of a piezoelectric nanowire under thermo-electro-mechanical loads based on the nonlocal elasticity theory within the framework of Timoshenko beam theory. The influences of surface piezoelectricity, surface elasticity and residual surface stress are taken into consideration. Using Hamilton’s principle, t...
[ 2 ] - اثر سیال غلیظشونده برشی بر‌روی ضریب اصطکاک در پوشش‌های ضد‌ضربه ساخته‌شده از کولار KM22
در این تحقیق از روش بیرونکشی الیاف به عنوان ارزیابی خصوصیات مکانیکی پارچه استفاده شده است که با تکیه بر نقش الیاف به عنوان اجزای سازنده پارچه، جهت شناسایی بر هم کنشهای داخلی آنها به کاربرده شده است. یکی از فرضیات مهم در تحقیق عملی پیشرو، در نظر گرفتن پارچه به صورت کامپوزیتی از نخهای تشکیل دهندهی آن است. در این پژوهش پارچهها در دو نوع: خام و آغشته به سیال غلیظشونده برشی استفاده شدند. به م...
[ 3 ] - Yarn pulling out test and numerical solution of penetration into woven fabric target impregnated with shear thickening fluid using SiO2 /Polyethylene Glycol
In this paper, finite element model of woven fabric target has been investigated which is impacted by a cylindrical projectile. Fabrics are impregnated with Shear Thickening Fluid (STF). The effects of the (STF) have been considered as frictional effect. The STF has been made (Nano Silica and Polyethylene Glycol (PEG)) and then diluted by ethanol proportion of 3:1. Yarn pulling out test from in...
[ 4 ] - Yarn pulling out test and numerical solution of penetration into woven fabric target impregnated with shear thickening fluid using SiO2 /Polyethylene Glycol
In this paper, finite element model of woven fabric target has been investigated which is impacted by a cylindrical projectile. Fabrics are impregnated with Shear Thickening Fluid (STF). The effects of the (STF) have been considered as frictional effect. The STF has been made (Nano Silica and Polyethylene Glycol (PEG)) and then diluted by ethanol proportion of 3:1. Yarn pulling out test from in...
[ 5 ] - Effect of Ambient Condition on the Shower Cooling Tower in Four Type of Climates Condition
Water cooling by ambient takes place with two mechanisms of heat and mass transfer. Using packings at wet cooling towers has disadvantages such as obstruction, reduction of life expectancy and production of algae and fungi. In shower cooling towers types of towers packings are completely removed and water intake is in direct contact and heat transfer takes place in two ways of latent and sensib...
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