Magneto-thermocapillary-buoyancy convection in a square cavity with partially active vertical walls-Reference-Cited by-同舟云学术

Magneto-thermocapillary-buoyancy convection in a square cavity with partially active vertical walls

Published:2019 Issue:6 Part A Volume:23 Page:3433-3442
ISSN:0354-9836
Container-title:Thermal Science
language:en
Short-container-title:THERM SCI

Author:

Lajnef Emtinene¹,Hassen Walid¹,Kolsi Lioua²,Al-Rashed Abdullah³,Al-Sayegh Rajab⁴,Borjini Mohamed¹

Affiliation:

1. Unité de Métrologie et des Systèmes Énergétiques, École Nationale d’Ingénieurs, Monastir, University of Monastir, Tunisia

2. College of Engineering, Mechanical Engineering Department, Haïl University, Haïl City, Saudi Arabia + Unité de Métrologie et des Systèmes Énergétiques, École Nationale d’Ingénieurs, Monastir, University of Monastir, Tunisia

3. Dept. of Automotive and Marine Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training, Kuwait

4. Department of Mechanical Engineering, College of Engineering, Northern Border University, Arar, Saudi Arabia

Abstract

Effect of magnetic field on combined surface tension and buoyancy convection in an enclosure with partially active vertical walls is investigated numerically. The active part of the left side wall is at a higher temperature than the active part of the right side wall. The bottom and the inactive parts of the side walls are adiabatic and capillary forces occur at the top free surface. The governing equations are discretized by the finite volume method. The results are obtained for Pr = 0.054, 0 ? Ha ? 100, 0 ? Ma ? 10000, and 2.104 ? Gr ? 2.106. The flow structure and temperature field were presented by streamlines and isotherms respectively. The surface tension effect of is manifested by increasing Marangoni number. The application of magnetic field was found to control the flow and to oppose the capillary effects.

Publisher

National Library of Serbia

Subject

Renewable Energy, Sustainability and the Environment

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