Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat plates. The gas at 220°C flow is parallel over the upper and lower surfaces of a 3-m-long flat plate at a velocity of 3 m/s. If the flat plate surface temperature is maintained at 80°C. Determine the local convection heat transfer coefficient at 1 m from the leading edge and calculate the average convection heat transfer coefficient over the entire plate.

Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat plates. The gas at 220°C flow is parallel over the upper and lower surfaces of a 3-m-long flat plate at a velocity of 3 m/s. If the flat plate surface temperature is maintained at 80°C. Determine the local convection heat transfer coefficient at 1 m from the leading edge and calculate the average convection heat transfer coefficient over the entire plate.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

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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5.7 The average Reynolds number for air passing in turbulent flow over a 2-m-long, flat plate is . Under these conditions, the average Nusselt number was found to be equal to 4150. Determine the average heat transfer coefficient for an oil having thermal properties similar to those in Appendix 2, Table 18, at at the same Reynolds number and flowing over the same plate.
Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat plates. The gas at 220oC flows in parallel over the upper and lower surfaces of a 1.5-m-long flat plate at a velocity of 3m/s. if the flat plate surface temperature is maintained at 80oC, determine (a) the local convection heat transfer coefficient at 1 m from the leading edge, (b) the average convection heat transfer coefficient over the entire plate, and (c) the total heat flux transfer to the plate.
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