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QUESTION
Air at 1 atm and 27C flows across a 12 mm diameter sphere at a free-steam velocity of 4 m/s. A small heater inside the sphere maintains the surface...
Air at 1 atm and 27˚C flows across a 12 mm diameter sphere at a free-steam velocity of 4 m/s. A small heater inside the sphere maintains the surface temperature at 77 ˚C. Calculate the heat loss by the sphere.
