Numerical investigation of flow and heat transfer from a block placed in a cavity subject to different inlet conditions Online publication date: Tue, 19-Dec-2017
by S. Rakesh; P. Rajesh Kanna; Jan Taler; Pawel Oclon; Dawid Taler; P. Sudhakaran; G. Ramesh
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 17, No. 6, 2017
Abstract: Numerical simulation is carried out for steady-state, two-dimensional, incompressible, laminar fluid flow and forced convective heat transfer over a square solid block (0.1 L × 0.1 L) placed in a square cavity (L × L). The square block is placed inside the geometric centre of square cavity and maintained at a fixed temperature higher than the inlet fluid temperature. The simulation is carried out for different positions of the inlet and the results are reported in terms of streamline contours and Nusselt number distributions. The governing equations are solved by finite volume method-based commercial Fluent software. The simulations are carried out for a Reynolds number of 100 and Prandtl number of 0.7. For the considered cases, the maximum average block Nusselt number is observed to occur when the lower edge of the inlet boundary with a height of 0.1 L is placed at a distance of 0.6 L from the of the lower edge of the cavity.
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