نتایج جستجو برای: wall function

تعداد نتایج: 1359342  

Journal: :National Science Review 2023

Abstract More-versatile memory is strongly desired for end-users to protect their information in the era. In particular, bit-level switchable memory, from rewritable read-only function, allows prevent any important data being tampered with. However, no such has been reported. We demonstrated function can be converted into by applying a sufficiently large current pulse U-shaped domain-wall which...

The objective of this paper is to examine the effectiveness of wall oscillation as a control scheme of drag reduction. Two flow configurations are considered: constant flow rate and constant mean pressure gradient. The Navier-Stokes equations are solved using Fourier-Chebyshev spectral methods and the oscillation in sinusoidal form is enforced on the walls through boundary conditions for the sp...

The design of retaining walls depends on the magnitude of active pressure exerted from the backfill. Therefore, estimating the scale of this pressure is a fundamental factor in the design. In this study, to assess the active earth pressure, a rigid retaining wall was built capable of translating and/or rotating with adjustable speed. Further, several physical tests were conducte...

Journal: :journal of biomedical physics and engineering 0
z. mortazavinia department of mechanical engineering, écolepolytechnique de montréal, montreal, canada e. goshtasbi rad school of mechanical engineering, shiraz university, shiraz, iran h. emdad school of mechanical engineering, shiraz university, shiraz, iran m. b. sharifkazemi shiraz medical school, shiraz university of medical science, shiraz, iran a. zare department of mechanical engineering, islamic azad university, shiraz branch, member of young researchers club, shiraz, iran a. r. mehdizadeh center for research in medical physics and engineering, school of medicine, shiraz university of medical science, shiraz, iran

background: the interaction between the blood and the vessel wall is of great clinical interest in studying cardiovascular diseases, the major causes of death in developed countries. objective: to understand the effects of incorporating fluid-structure interaction into the simulation of blood flow through an anatomically realistic model of abdominal aorta and renal arteries reconstructed from c...

Wall-to-bed (or wall-to-fluid) heat transfer issues in trickle bed reactors (TBR) has an important impact on operation and efficiency in this category of reactors. In this study, the hydrodynamic and thermal behavior of trickle bed reactors was simulated by means of computational fluid dynamics (CFD) technique. The multiphase behavior of trickle bed reactor was studied by the implementation of ...

A. Shidfar, M. Garshasbi ,

 Abstract: This study deals with modeling of heat flux at the external surface of combustion chamber wall in an internal combustion (IC) engine as a function of crank angle. This investigation results in an inverse heat conduction problem in the cylinder wall. Alifanov regularization method is used for solving this inverse problem. This problem study as an optimization problem in which a square...

A. R. Mehdizadeh A. Zare E. Goshtasbi Rad H. Emdad M. B. Sharifkazemi Z. Mortazavinia,

Background: The interaction between the blood and the vessel wall is of great clinical interest in studying cardiovascular diseases, the major causes of death in developed countries.Objective: To understand the effects of incorporating fluid-structure interaction into the simulation of blood flow through an anatomically realistic model of abdominal aorta and renal arteries reconstructed from CT...

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