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Heat Transfer Measurement and Analysis for Sintered Porous Channels

This paper presents the results of heat transfer measurement and analysis for two 5×5×1 cm porous channels. The channels were made of sintered bronze beads with two different mean diameters, d p =0.72 and 1.59 mm. The local wall temperature distribution, inlet and outlet pressure and temperatures, and heat transfer coefficients were measured for heat flux of 0.8, 1.6, 2.4, and 3.2 W/cm 2 with air velocity ranging from 0.16 to 5 m/s and inlet air pressure of 1∼3 atm