Question: Current Attempt in Progress The presence of a small amount of air may cause a significant reduction in the heat rate to a water-cooled steam
Current Attempt in Progress The presence of a small amount of air may cause a significant reduction in the heat rate to a water-cooled steam condenser surface. For a clean surface with pure steam and the prescribed conditions, the condensate rate is 0.020kg/m2s. With the presence of stagnant air in the steam, the condensate surface temperature drops from 28 to 24C and the condensate rate is reduced by a factor of 2 . For the air-steam mixture, determine the partial pressure of air, in Pa, for a distance y=10 mm from the condensate film. pR(v)=
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