Question: Reconsider Prob. 19102. Using an appropriate software, investigate the effect of air velocity and the surface emissivity on the exit temperature of air and the

Reconsider Prob. 19€“102. Using an appropriate software, investigate the effect of air velocity and the surface emissivity on the exit temperature of air and the rate of heat loss. Let the air velocity vary from 1 m/s to 10 m/s and the emissivity from 0.1 to 1.0. Plot the exit temperature and the rate of heat loss functions of the air velocity and emissivity, and discuss the results.

10°C ho = 10 W/m?-K 12 m Hot alr 60°C Alr duct 20 cm x 20 cm 4 m/s E = 0.3

10C ho = 10 W/m?-K 12 m Hot alr 60C Alr duct 20 cm x 20 cm 4 m/s E = 0.3

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