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이재신,권순석 동아대학교 공과대학 부설 한국자원개발연구소 1992 硏究報告 Vol.16 No.2
Mixed Convection Heat Transfer are investigated from the numerical solution of Navier-Stokes and energy equations in a two-dimensional horizontal channel with a rectangular beam. The solutions have been obtained for dimensionless distances, Xe=1∼10, Reynolds numbers, Re=50∼500 and Grashof numbers, Gr=0∼5×10⁴. The results indicate that as Xe increases, the mean Nusselt numbers of upper and lower plates are significantly decreased at Xe<5 and then unchanged at Xe≥5. As Gr/Re² increases, the mean Nusselt numbers of beam and lower plate increase and those of upper plate decrease at Xe=5 and Re=100.