Atmospheric air is in parallel flow (u15 m/s,T15C) over a
Chapter 6, Problem 6.46(choose chapter or problem)
Atmospheric air is in parallel flow (u??15 m/s,T??15C) over a flat heater surface that is to be main-tained at a temperature of 140C. The heater surfacearea is 0.25 m2, and the airflow is known to induce adrag force of 0.25 N on the heater. What is the electri-cal power needed to maintain the prescribed surfacetemperature?
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