نتایج جستجو برای: friction loss
تعداد نتایج: 478751 فیلتر نتایج به سال:
چکیده به منظور درک بهتری از حرکت صفحات تکتونیکی، می توان از شبیه سازی عددی به عنوان یک ابزار مهم و نیرومند استفاده نمود. لذا بر اساس قوانین فیزیکی و ژئوفیزیکی و در نظر گرفتن نحوه ارتباط و شکل صفحات، می توان رفتارهای آنها را در شرایط متفاوت مدل سازی نمود. نواحی مختلف به دلیل شرایط متفاوت ساختاری، رفتار لرزه ای مشابه ای را نشان نمی دهند. هدف این تحقیق بررسی الگوهای رفتاری مواد با ویژگیها ی مت...
An analytical model of vane dynamics in a tilted vane rotary compressor is presented. With the geometric relationship of the vane in a tilted slot, and the roller, the kinetic equations were derived for evaluating the reciprocating inertial force of the vane, and the chamber volume equations were obtained for calculating pressure history inside the compression chamber. The empirical friction co...
In view of the problem that research potato friction damage is not sufficiently systematic and characteristics energy loss are clear, this paper investigates initial height, mass, varieties, materials temperature as experimental factors epidermal proportion evaluation index, filtering for significant by a factorial test. On basis, ratio consumption were used indicators to conduct single factor ...
Department of Mechanical Engineering, National Institute of Technology Silchar Silchar, Assam, India E-mail:[email protected] or [email protected] ABSTRACT A finite-time thermodynamic modelling and simulation of irreversible Diesel cycle engines has been developed considering non-linear variable specific heats with temperature, heat transfer loss, internal irreversibility effects and engin...
BACKGROUND In vitiligo, melanocytes are gradually lost in depigmented macules of the skin. The disappearance of melanocytes has, however, not been clearly observed and consequently the aetiology of the disease (autoimmune, neural, cytotoxic) is still elusive. The starting point of vitiligo macules is frequently determined by local conditions such as wounds and excoriations, but may also follow ...
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