Abstract
Numerical study of natural convection flow in a tilting enclosure filled with micropolar fluids has been investigated. The enclosure is equipped with a single or multiple uniform heat sources. A two-dimensional, steady and laminar flow model is simulated. The heat transfer characteristic and flow phenomenon are presented for range values of the controlled parameters and situations, such as Ra number, tilting angle of the enclosure and various material parameters of the fluid. The results indicate that dependence of microrotation term and heat transfer on microstructure parameters is significant. The effects of heat source locations and arrangement of multiple heat sources are studied to arrive at qualitative suggestions that may improve the cooling design of the system. The effect of the microrotation boundary conditions on heat transfer is discussed as well.
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