100-120. A 3387 kg of moisture per hour is being removed from a material by a drier and the air leaving it has a humidity ratio of 0.02345 kg of moisture per kg of dry air. The outside air is initially at 16°C dry bulb and has a relative humidity of 50%. The air is heated to a temperature of 69°C by steam coils and between the heater and the drier air inlet a drop of 9°C occurs in the air temperature. How much steam is required in kg/s if the steam supplied is at 138 kPa and 0.97 quality?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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100-120. A 3387 kg of moisture per hour is being removed from a material by a drier and the air leaving it has a
humidity ratio of 0.02345 kg of moisture per kg of dry air. The outside air is initially at 16°C dry bulb and has a relative
humidity of 50%. The air is heated to a temperature of 69°C by steam coils and between the heater and the drier air inlet
a drop of 9°C occurs in the air temperature. How much steam is required in kg/s if the steam supplied is at 138 kPa and
0.97 quality?
Transcribed Image Text:100-120. A 3387 kg of moisture per hour is being removed from a material by a drier and the air leaving it has a humidity ratio of 0.02345 kg of moisture per kg of dry air. The outside air is initially at 16°C dry bulb and has a relative humidity of 50%. The air is heated to a temperature of 69°C by steam coils and between the heater and the drier air inlet a drop of 9°C occurs in the air temperature. How much steam is required in kg/s if the steam supplied is at 138 kPa and 0.97 quality?
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