Question

Problem 2. (20 pts) You would like to know the heat transfer
coefficient from a cooling fin operating under

forced convection, but with a length of 1 cm the real fin is just
too small to make any measurements. You

make a 10x scale model and test it at the real operating
temperatures and 1/10th the ambient airflow

velocity. If your scale model has an h of 5.14 W/m2/K, what is the
value of h for the real fin? In both the

real flow and the model testing, the working fluid is air. Assume
steady state.

Answer #1

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