Inclination angle implications for fluid flow and mixed convection in complex geometry enclosure-meshless numerical analyses
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Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University, Tehran
Department of Mechanical Engineering, K.N. Toosi University of Technology, Tehran
Department of Mechanical Engineering, University of Kashan, Kashan
Journal of Theoretical and Applied Mechanics 2015;53(3):519–530
The meshless local Petrov-Galerkin (MLPG) method is extended to analyze the mixed convection and fluid flow in an inclined two-dimensional lid-driven cavity. The enclosure considered comprises two insulated vertical walls and a wavy bottom wall which is subjected to a higher constant temperature than its top counterpart, the sliding lid. For the proposed scheme, the stream function formulation with a weighting function of unity is employed. The simulation results reveal that the local Nusselt number increases with a clockwise increase in the inclination angle. Also, a decrease in the aspect ratio results in an increase in the hot wavy wall average Nusselt number.