Air at 1 atm is flowing in parallel over a 3-m-long flat plate with a velocity of 7 m/s. The air has a free stream temperature of 120°C and the surface temperature of the plate is maintained at 20°C. Determine the distance x from the leading edge of the plate where the critical Reynolds number (Recr = 5 × 105) is reached. Then, using an appropriate software, evaluate the local convection heat transfer coefficient along the plate. By varying the location along the plate for 0.2 ≤ x ≤ 3 m, plot the local convection heat transfer coefficient as a function of x and discuss the results.
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