Author(s): Dipan Deb, Sajag Poudel, Abhishek Chakrabarti
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 08 , August - 2017
The hydromagnetic mixed convection flow and heat transfer in a lid-driven square cavity is investigated numerically by using the finite volume method. A twodimensional vertical lid driven square enclosure with a centrally located heat conducting elliptical obstacle is adopted to simulate the steady, laminar and incompressible flow. Two different sizes of the obstacle are considered with an aim to enhance the heat transfer rate. The governing equations are solved by using the Semi-Implicit Method for Pressure Linked Equations (SIMPLE) algorithm. The left and right vertical walls of the cavity are kept isothermal at two different temperatures whereas both the top and bottom horizontal walls are thermally insulated from the surroundings. Furthermore, a uniform horizontal magnetic field is applied, perpendicular to the translating left lid. The investigations are carried out for a number of governing parameters such as the Hartmann Number, Reynolds Number, Richardson Number, Joule heating parameter and Prandtl Number. Two cases of translational lid movement, viz., vertically upwards and downwards are undertaken to study the conjugate heat transport process. The flow and thermal fields are analysed by means of streamline and isotherm plots.
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