Air at 20°C, 1 atm flows with a velocity of 4.5 m/s over a flat plate having a sharp leading edge. The plate surface isothermal at 60°C. (a), determine the following parameters at a distance of 1.89m. i)Local convective heat transfer coefficient (ii)Average convective heat transfer coefficient (iii)The heat transfer rate from both sides per unit width of the plate

Air at 20°C, 1 atm flows with a velocity of 4.5 m/s over a flat plate having a sharp leading edge. The plate surface isothermal at 60°C. (a), determine the following parameters at a distance of 1.89m. i)Local convective heat transfer coefficient (ii)Average convective heat transfer coefficient (iii)The heat transfer rate from both sides per unit width of the 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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.38P

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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.
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