نتایج جستجو برای: entropy generation and bejan number

تعداد نتایج: 16938034  

Journal: :Physical Mesomechanics 2022

Diamond and graphene are carbide nanoparticles that have valuable biomedical applications in cancer therapy drug delivery. The aim of this study is to analyze the couple stress nanofluid (blood–graphene/diamond) flow an asymmetric channel with effect viscous dissipation, electromagnetohydrodynamics (EMHD), Joule heating, velocity slip convective boundary conditions. mathematical model solved an...

E. Fattahi K. Sedighi M. Farhadi

This work presents a numerical analysis of entropy generation in Γ-Shaped enclosure that was submitted to the natural convection process using a simple thermal lattice Boltzmann method (TLBM) with the Boussinesq approximation.  A 2D thermal lattice Boltzmann method with 9 velocities, D2Q9, is used to solve the thermal flow problem. The simulations are performed at a constant Prandtl number (Pr ...

Journal: :Coatings 2022

The effect of entropy optimization on an axisymmetric Darcy–Forchheimer Powell–Eyring nanofluid flow caused by a horizontally permeable stretching cylinder, as well non-linear thermal radiation, was investigated in this research work. leading equations the current problem were changed into ODEs exhausting appropriate transformations. To deduce reduced system, numerical method bvp4c used. outcom...

Wear is a complicated phenomenon caused by the relative movement of two contacting surfaces compressed together by a normal force. Prediction of the wear, in most cases, requires various experiments and microstructural characterization of the contacting surfaces. Mathematical models based on physical concepts could provide considerable help in understanding the physical behavior and hence the p...

Wear is a complicated phenomenon caused by the relative movement of two contacting surfaces compressed together by a normal force. Prediction of the wear, in most cases, requires various experiments and microstructural characterization of the contacting surfaces. Mathematical models based on physical concepts could provide considerable help in understanding the physical behavior and hence the p...

Journal: :Entropy 2016
Tasawar Hayat Sadaf Nawaz Ahmed Alsaedi Maimona Rafiq

This article examines entropy generation in the peristaltic transport of nanofluid in a channel with flexible walls. Single walled carbon nanotubes (SWCNT) and multiple walled carbon nanotubes (MWCNT) with water as base fluid are utilized in this study. Mixed convection is also considered in the present analysis. Viscous dissipation effect is present. Moreover, slip conditions are encountered f...

Journal: :journal of modern processes in manufacturing and production 2014
mehdi jahangiri

wear is a complicated phenomenon caused by the relative movement of two contacting surfaces compressed together by a normal force. prediction of the wear, in most cases, requires various experiments and microstructural characterization of the contacting surfaces. mathematical models based on physical concepts could provide considerable help in understanding the physical behavior and hence the p...

A. Aghaei G.A. Sheikhzadeh H.R. Ehteram M. Hajiahmadi

Natural convection heat transfer has many applications in different fields of industry; such as cooling industries, electronic transformer devices and ventilation equipment; due to simple process, economic advantage, low noise and renewed retrieval. Recently, heat transfer of nanofluids have been considered because of higher thermal conductivity coefficient compared with those of ordinary fluid...

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