Доступ предоставлен для: Guest
Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018019392
pages 125-157

HEAT AND MASS TRANSFER BY NATURAL CONVECTION DURING WATER EVAPORATION IN A CORRUGATED VERTICAL CHANNEL

Olfa Mechergui
LAMPS, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan, France; LETTM, Département de Physique, Faculté des Sciences de Tunis, Université de Tunis El Manar, 1060 Tunis, Tunisie; Département de Physique, Faculté des Sciences de Bizerte, Université du 7 Novembre Carthage, 7021 Jarzouna, Tunisie
Xavier Chesneau
Laboratoire de Mathématiques et Physique LAMPS, Université de Perpignan via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan Cedex 9, France
Ali Hatem Laatar
LETTM, Department of Physics, Faculty of Sciences of Tunis, Tunis El Manar University, 1060 Tunis, Tunisia; Department of Physics, Faculty of Sciences of Bizerte, University of the 7th November at Carthage, 7021 Jarzouna-Bizerte, Tunisia; Department of Physics, Faculty of Sciences of Tabuk, Tabuk University 71491, Saudi Arabia

Краткое описание

This paper deals with a numerical study of coupled heat and mass transfers by natural convection during water evaporation in a corrugated vertical channel. This channel is heated asymmetrically with a uniform heat flux. The unsteady two-dimensional Navier–Stokes, energy, and species equations are integrated by a finite volume approach and then solved using the projections method. The aim of this work is to conduct a detailed numerical study to analyze the effects of physical parameters such as flux density imposed on the wall, the relative humidity, and the effects of geometrical parameters such as the shape, the size, and the number of protuberances. More than four hundred numerical simulations have been carried in order to analyze the effect of added obstructions to a vertical open channel. The numerical results are the distributions of dimensionless axial velocity, temperature, and concentration; the Nusselt number as well as the Sherwood number are also presented. For some particular cases, results are in agreement with previous works reported in the literature. Moreover, the agreement between numerical results and experimental data is satisfactory.


Articles with similar content:

HEAT AND MASS TRANSFERS BY NATURAL CONVECTION DURING WATER EVAPORATION IN A VERTICAL CHANNEL
Computational Thermal Sciences: An International Journal, Vol.9, 2017, issue 5
Olfa Mechergui, Ali Hatem Laatar, Xavier Chesneau
Numerical Study of Natural Convection Heat Transfer in Converging Channels
International Heat Transfer Conference 12, Vol.12, 2002, issue
Antonio Viedma, B. Zamora , Antonio S. Kaiser
NATURAL CONVECTION IN A CUBICAL POROUS CAVITY SATURATED WITH NANOFLUID USING TIWARI AND DAS' NANOFLUID MODEL
Journal of Porous Media, Vol.18, 2015, issue 6
Ioan Pop, Mikhail A. Sheremet, Teodor Grosan
Natural Convection Inside Square Cavities Partially Heated From Below
ICHMT DIGITAL LIBRARY ONLINE, Vol.2, 2004, issue
Pier Paolo Dell'Omo, Claudio Cianfrini, Massimo Corcione
UNSTEADY BUOYANCY INDUCED FLOW AND HEAT TRANSFER IN A HEATED INCLINED OPEN CHANNEL
International Heat Transfer Conference 9, Vol.2, 1990, issue
T. F. Lin, C. Liu , T.S. Chang