HW23 - . . 20 . . 0.007 . . . 50 . 70 2. Air enters an...

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Spring 2006 1 ME 201 Thermodynamics Homework 23, Due Friday, May 5, 2006 Extra Credit worth 10 points 1. Complete the following table for the properties of an air/water vapor mixture. T dry bulb ( ° C) T wet bulb ( ° C) Rel.Hum. (%) ω (kg/kg of dry air) h a-v (kJ/kg of dry air) 15 . 20 . . 35 25 . . . 10 10 .
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Unformatted text preview: . . 20 . . 0.007 . . . 50 . 70 2. Air enters an evaporative cooler at 30 C and 20% relative humidity. How much liquid water (in kg/kg of dry air) at 15 C must be evaporated to cool the air to 20 C and a relative humidity of 70%? (HINT: Neglect the enthalpy brought in with the liquid water...
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This note was uploaded on 07/25/2008 for the course ME 201 taught by Professor Somerton during the Spring '06 term at Michigan State University.

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