نتایج جستجو برای: dufour parameter

تعداد نتایج: 215473  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :Fluids 2021

Double diffusive convection in a binary viscoelastic fluid saturated porous layer the presence of cross diffusion effect and an internal heat source is studied analytically using linear nonlinear stability analysis. The theory based on normal mode technique, while minimal representation truncated double Fourier series. modified Darcy law for Oldroyd type considered to model momentum equation. o...

2002
Jean-Marie Dufour Lynda Khalaf Jean-Thomas Bernard Ian Genest

A wide range of tests for heteroskedasticity have been proposed in econometrics and statistics.1 Although a few exact tests are available (e.g. Goldfeld-Quandt’s F -test, its extensions and Szroeter’s procedures),2 common heteroskedasticity tests are asymptotic which may not control size in finite samples. So a number of recent studies have tried to improve the reliability of these tests using ...

Journal: :Trends in Sciences 2022

This article investigates numerically the effects of Hall current and rotation on radiating chemically reacting unsteady MHD natural convection flow past an accelerated infinite vertical permeable plate in presence Soret Dufour effects. The dimensionless coupled non-linear governing partial differential equations problem are solved by employing finite element method. influence various physical ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1357

هرگاه دو گاز مختلف که از نظر شیمیائی برهم بی اثر بوده و نیز درجه حرارت و فشار آنها یکسان باشد درهم پراکنده شوند، ایجاد اختلاف درجه حرارت میگردد. این پدیده را که اولین بار بوسیله dufour کشف گردید اثر حرارتی نفوذ (diffusion thermoeffect) یا پدیده dufour گفته میشود. مطالعه این پدیده از آن جهت حائز اهمیت است که اطلاعاتی در مورد نیروهای بین ملکولی و هم چنین ثابت های مهمی از گازها را میتوان بوسیله آن...

Journal: :Coatings 2021

The 3D Carreau fluid flow through a porous and stretching (shrinking) sheet is examined analytically by taking into account the effects of mass transfer, thermal radiation, Hall current. model equations, which consist coupled partial differential equations (PDEs), are simplified to ordinary (ODEs) appropriate similarity relations. analytical procedure HAM (homotopy analysis method) employed sol...

2009
Jacques Genest Ruth McPherson Jiri Frohlich André Carpentier Patrick Couture Robert Dufour Steven Grover Milan Gupta Robert A Hegele Gary F Lewis Allan Sniderman

Jacques Genest MD1, Ruth McPherson MD PhD2, Jiri Frohlich MD3, Todd Anderson MD4, Norm Campbell MD4, André Carpentier MD5, Patrick Couture MD6, Robert Dufour MD7, George Fodor MD2, Gordon A Francis MD3, Steven Grover MD1, Milan Gupta MD8, Robert A Hegele MD9, David C Lau MD10, Lawrence Leiter MD11, Gary F Lewis MD12, Eva Lonn MD13, GB John Mancini MD14, Dominic Ng MD PhD11, Glen J Pearson Pharm...

Journal: :Computers & mathematics with applications 2021

The transport of heat and mass from the surface a cylinder coated with catalyst subject to an impinging flow Casson rheological fluid is investigated. features circumferentially non-uniform transpiration embedded inside homogeneous porous medium. non-equilibrium thermodynamics problem, including Soret Dufour effects local thermal in medium, are considered. Through introduction similarity variab...

Journal: :Mathematics 2022

The widespread application of hybrid nanofluid in real applications has been accompanied by a large increase computational and experimental research. Due to the unique characteristics nanofluid, this study aspires examine steady two-dimensional mixed convection stagnation point flow past vertical plate with radiation, Dufour, Soret effects, numerically. formulations specific model are presented...

2009
A. Schonfeld - Warden C. H. Warden

15 Weigle. D. S. and Levin, B. E. (2000) Obes. Res. 8, 385-39 I Vidal-Puig, A. 1.. Grujic. D.. Zhang. C. Y.. Hagen. T.. Boss, 0.. Ido. Y., Szczepanik A.. Wade, 1.. Mootha. V.. Cortright. R et al. (2000) J. Biol. Chem. 275. 16258I6266 Gong, D. W.. Monemdjou, S.. Gavrilova. 0.. Leon, L. R.. Marcus-Samuels, B., Chou. C. J.. Everett. C.. Kozak. L. P.. Li. C.. Deng. C. et al. (2000) J. Biol. Chem. 2...

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