Repeat Problem 7.13 with glycerol at 20?C flowing over the fin at 2 m/s. The plate temperature is 50?C. From
Repeat Problem 7.13 with glycerol at 20?C flowing over the fin at 2 m/s. The plate temperature is 50?C. From Problem 7.13: A stainless steel pin fin 5 cm long, 6-mm-OD, extends from a flat plate into a 175 m/s glycerol stream as shown in the accompanying sketch.(a) Estimate the average heat transfer coefficient between glycerol and the fin.(b) Estimate the temperature at the end of the fin. (c) Estimate the rate of heat flow from the fin.GIVENA stainless steel pin fin in an air streamPin length (L) = 5 cm = 0.05 mPin diameter (D) = 6 mm = 0.006 mGlycerol velocity (U??) = 2 m/sGlycerol temperature (T??) = 20?CPlate temperature (Tp) = 50?CASSUMPTIONSSteady stateTurbulence in the glycerol approaching the fin is lowRadiative heat transfer is negligibleSteel is type 304Steel properties are uniformVariation of the thermal properties of glycerol and steel with temperature isnegligible
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