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Analytical and numerical study for two-phase stratified-flow in a plane channel subjected to different thermal boundary conditions

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Title Analytical and numerical study for two-phase stratified-flow in a plane channel subjected to different thermal boundary conditions
 
Creator GADA, VH
DATTA, D
SHARMA, A
 
Subject Analytical solution
Level-set-method
Stratified-flow
Channel
Forced-convection
Phase-change
LEVEL-SET METHOD
HEAT-TRANSFER
PHASE-CHANGE
SIMULATION
EQUATIONS
PATTERN
PIPES
MODEL
DUCT
 
Description Analytical solution is proposed for two-phase stratified fully-developed flow in a plane channel for two problems: without and with phase change; discussed with the help of a physical model. The first problem - on flow of two immiscible liquids - is studied for the channel subjected to uniform-heat-flux boundary-condition; whereas, the second problem is studied also for constant-wall-temperature and convection-heat-transfer boundary-condition. For the first problem, fully-developed analytical solution is proposed only for heat-transfer; whereas, for the second problem, additionally fluid-flow solution is also derived. The present analytical solution is compared with numerical solution, obtained from a level set method based in-house code; and an excellent agreement is reported. The numerically obtained developing flow results are consistent with the physical-model and operating-conditions proposed here. The analytical solutions will be useful for benchmarking a numerical method for two-phase flow; and more importantly in those engineering applications, of stratified flow, where no heat-transfer/phase-change or minimum/maximum temperature is desired at the interface. (C) 2013 Elsevier Masson SAS. All rights reserved.
 
Publisher ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
 
Date 2014-10-16T13:58:44Z
2014-10-16T13:58:44Z
2013
 
Type Article
 
Identifier INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 7188-102
http://dx.doi.org/10.1016/j.ijthermalsci.2013.03.022
http://dspace.library.iitb.ac.in/jspui/handle/100/15726
 
Language en