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Numerical Analysis Of Convection Heat Transfer In A Rectangular Packed Duct Withasymmetric Heating, Yasar Demirel, Y. Makkawi, H.H. Ali
Numerical Analysis Of Convection Heat Transfer In A Rectangular Packed Duct Withasymmetric Heating, Yasar Demirel, Y. Makkawi, H.H. Ali
YASAR DEMIREL
Fully developed, forced convection heat transfer in a rectangular packed duct is analyzed numerically based on a two-dimensional model incorporating the effects of Raschig ring packing on the Ergun equation. The boundary conditions are based on asymmetric heating with only the top wall supplied with a constant heat flux, while the other walls are adiabatic. The numerical predictions are compared with measured temperature profiles and local Nusselt numbers obtained from a large scale packed duct with L/H = 16 and W/H = 8, using Raschig rings of 4.8 cm in size. The prediction represents the experimental data satisfactorily. The volumetric …