How much water must be removed per kg of dry air

Reference no: EM131348720

1. 10,000. ft³ /h of moist air at 14.7 psia and 75.0°F is to be cooled to 45.0°F at constant total pressure. Find the amount (lbm/h) of water condensed if the mole fraction of water in the inlet mixture is 0.0260.

2. Atmospheric air can be dehumidified by cooling the air at constant total pressure until the moisture condenses out. Suppose that air with a humidity ratio of 5.00 × 10^-3 kg water per kg of dry air must be achieved by cooling incoming atmospheric air with a dry bulb temperature of 25.0°C and a wet bulb temperature of 20.0°C.

a. To what temperature must the incoming air-water vapor mixture be cooled to achieve a humidity ratio of 5.00 × 10^-3 kg water per kg dry air?

b. How much water must be removed per kg of dry air to achieve this state?

Reference no: EM131348720

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