Required information Hot engine oil at 150°C is flowing in parallel over a flat plate at a velocity of 3.20 m/s. Surface temperature of the 1.700-m long flat plate is constant at 50°C. The properties of engine oil at Tf = (150°C + 50°C)/2 = 100°C are k= 0.1367 W/m-K, v= 2.046 x 10-5 m²/s, Pr = 279.1. Determine the local convection heat transfer coefficient at 0.200 m from the leading edge and the average convection heat transfer coefficient using the Churchill and Ozoe (1973) relation. The local convection heat transfer coefficient at 0.200 m from the leading edge is |W/m2.K. The average convection heat transfer coefficient is W/m2-K.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.7P: 5.7 The average Reynolds number for air passing in turbulent flow over a 2-m-long, flat plate is ....
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Hot engine oil at 150°C is flowing in parallel over a flat plate at a velocity of 3.20 m/s. Surface temperature of the 1.700-m
long flat plate is constant at 50°C. The properties of engine oil at Tf = (150°C + 50°C)/2 = 100°C are k= 0.1367 W/m-K, v=
2.046 x 10-5 m2/s, Pr = 279.1.
Determine the local convection heat transfer coefficient at 0.200 m from the leading edge and the average convection heat transfer
coefficient using the Churchill and Ozoe (1973) relation.
The local convection heat transfer coefficient at 0.200 m from the leading edge is
] W/m²K.
The average convection heat transfer coefficient is
]W/m2-K.
Transcribed Image Text:! Required information Hot engine oil at 150°C is flowing in parallel over a flat plate at a velocity of 3.20 m/s. Surface temperature of the 1.700-m long flat plate is constant at 50°C. The properties of engine oil at Tf = (150°C + 50°C)/2 = 100°C are k= 0.1367 W/m-K, v= 2.046 x 10-5 m2/s, Pr = 279.1. Determine the local convection heat transfer coefficient at 0.200 m from the leading edge and the average convection heat transfer coefficient using the Churchill and Ozoe (1973) relation. The local convection heat transfer coefficient at 0.200 m from the leading edge is ] W/m²K. The average convection heat transfer coefficient is ]W/m2-K.
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