Unformatted text preview: water. Assuming thermal equilibrium, find the mass of the liquid in kg, mass of the vapor in kg, quality of the two phase mixture and the temperature, deg C. 4. A rigid tank has a volume of 75 cubic feet and contains 5 lbm of water. The temperature of the tank is at 350 deg F. What is the state of the fluid in the tank? Find the specific volume (ft3/lbm) of the water in the tank. 5. Complete the following table of properties of moist air used typically in air conditioning design: Tdb Twb %rh v w h Tdp deg F deg F ft3ma grain s btu deg F lbmda lbmda lbmda 75 50 indoor design conditions 95 78 Gainesville outdoor design 32 30 winter outdoor design 85 65 mixed air conditions typical 75 56 55 53 cooling coil leaving cond. 105 50 heating coil leaving cond. db = dry bulb dp = dew point wb = wet bulb ma= moist air da = dry air...
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- Summer '08
- Atmospheric thermodynamics, Psychrometrics, Wet-bulb temperature, deg