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COMPUTATIONAL INVESTIGATION OF DOUBLE-DIFFUSIVE MIXED CONVECTIVE FLOW IN AN ENCLOSED SQUARE CAVITY WITH SORET EFFECT
School of Mechanical Engineering, VIT University, Vellore, Tamilnadu, 632014, India
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Frontiers in Heat and Mass Transfer 2017, 8, 1-13. https://doi.org/10.5098/hmt.8.36
Abstract
In this study, a two-dimensional steady state double-diffusive mixed convective flow in a square cavity with Soret effect is presented. The numerical investigation is considered with two different conditions, (a) top and bottom walls move with same velocity (Uo) towards right and (b) top wall moves towards right and bottom wall moves towards left with the same velocity (Uo). The left and right walls remain stationary. The top and bottom walls are adiabatic; the left wall is maintained at high temperature and concentration. The right wall is maintained at low temperature and concentration. Governing equations are solved by finite volume method using SIMPLE algorithm in association with QUICK scheme. The Prandtl number (0.71 ≤ Pr ≤ 10) is varied with different Richardson numbers (0.01 ≤ Ri ≤ 100) to analyze the streamline, temperature and concentration contours with and without Soret effect. Results are investigated using Nusselt and Sherwood numbers. The results are also validated with the existing literature.Keywords
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