نتایج جستجو برای: heat generation

تعداد نتایج: 549224  

2012
G. Ashwini A. T. Eswara

This paper examines the forced convection flow of incompressible, electrically conducting viscous fluid past a sharp wedge in the presence of heat generation or absorption with an applied magnetic field. The system of partial differential equations governing Falkner Skan wedge flow and heat transfer is first transformed into a system of ordinary differential equations using similarity transform...

2015
Man Chen Qiujuan Sun Yongqi Li Ke Wu Peng Peng Qingsong Wang

Based on the electrochemical and thermal model, a coupled electro-thermal runaway model was developed and implemented using finite element methods. The thermal decomposition reactions when the battery temperature exceeds the material decomposition temperature were embedded into the model. The temperature variations of a lithium titanate battery during a series of charge-discharge cycles under d...

2009
S. Saouli

A second-law analysis of a gravity-driven film of non-Newtonian fluid along an inclined heated plate is investigated. The flow is assumed to be steady, laminar and fully-developed. The upper surface of the liquid film is considered to be free and adiabatic. The effect of heat generation by viscous dissipation is included. Velocity, temperature and entropy generation profiles are presented. The ...

Journal: :Bioelectrochemistry 2003
Rafael V Davalos Boris Rubinsky Lluis M Mir

Tissue electroporation is a technique that facilitates the introduction of molecules into cells by applying a series of short electric pulses to specific areas of the body. These pulses temporarily increase the permeability of the cell membrane to small drugs and macromolecules. The goal of this paper is to provide information on the thermal effects of these electric pulses for consideration wh...

M. M. Keshtkari S. A . Gandjalikhan Nassab

This paper describes a theoretical study to investigate the heat transfer characteristics of porous radiant burners. A one dimensional model is used to solve the governing equations for porous medium and gas flow before the premixed flame to the exhaust gas. Combustion in the porous medium is modeled as a spatially dependent heat generation zone. The homogeneous porous media, in addition to its...

Journal: :Optics letters 2005
Guillaume Canat Jean-Claude Mollier Yves Jaouën Bernard Dussardier

We analyze the influence of heat generation caused by nonradiative transitions in a high-power 1.55 microm double-clad erbium-ytterbium fiber laser on the Stark level population. At strong pumping rates, 1 microm lasing can start as a result of parasitic reflections. We present a model that allows us to simulate the effect of self-generated heat on the Stark level population by using the MacCum...

2008
Norihan Md Arifin Norfifah Bachok

The onset of Marangoni convection in a horizontal fluid layer with internal heat generation overlying a solid layer heated from below is studied. The upper free surface of a fluid is nondeformable and the bottom boundary are rigid and no-slip. The resulting eigenvalue problem is solved exactly. The critical values of the Marangoni numbers for the onset of Marangoni convection are calculated and...

2014
A. K. Rauta S. K. Mishra

This paper pertains to investigate the heat transfer characteristics of two dimensional two phase flow in a porous medium over a stretching sheet with internal heat generation. The novelty of the present study is to consider the permeability parameter, space and temperature dependent internal heat generation along with various parameters like Froud number ,heat source/sink parameter, Grashof nu...

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