Mixed Convective Heat Transfer From a Simulated Microchip to Liquid Flows in a Horizontal Rectangular Channel
1991 ◽
Vol 113
(3)
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pp. 309-312
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Mixed convection from a small heater (5mm × 5mm) to liquid flows in a horizontal rectangular channel is investigated experimentally. The results of three cases in which the buoyancy is normal to the liquid flow directions — hot surface facing upward, facing downward and vertically attached to one wall of the channel — are presented. Correlations are also provided to predict the mixed convective effects in the range 100 < ReL < 4000. The results demonstrated that both the Reynolds number ReL and the modified Rayleigh number RaL* pronouncedly dominate the heat transfer process. In all of the above cases, heat transfer was enhanced over that of forced convection.
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2016 ◽
Vol 819
◽
pp. 111-116
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2021 ◽
Vol 1773
(1)
◽
pp. 012026