Question: A hot wire velocity probe (D = W mK' 5m, L2 m) is exposed to air (u= 1.8 10-5, k = 0.024- p =

A hot wire velocity probe (D = W mK' 5m, L2 m) is exposed to air (u= 1.8 10-5, k = 0.024- p = 1.28, Pr = 0.7) flowing at a velocity of U = 20. How much heat transfer would be expected if the hot wire operates at Ts = 300C, and the air has a temperature of T = 100C?

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