Physics, 26.06.2019 19:20, wirchakethan23
Consider a two-stage cascade refrigeration system operating between the pressure limits of 0.8 and 0.14 mpa. each stage operates on the ideal vapor-compression refrigeration cycle with refgrigerant-134a as the working fluid. heat rejection from the lower cycle to the upper cycle takes place in an adiabatic counter flow heat exchanger where both streams enter at about 0.4 mpa. if the mass flow rate of the refrigerant through the upper cycle is 0.24 kg/s, determine (a) the mass flow rate of the refrigerant through the lower cycle, (b) the rate of heat removal from the refrigerated space and the power input to the compressor, (c) the cop of this cascade refrigerator.
Answers: 1
Physics, 22.06.2019 02:30, 22emilyl530
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
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Physics, 22.06.2019 11:30, jacob12049
If the textbook weighs 19.6 newtons on venus, what is the strength of gravity on venus?
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Physics, 22.06.2019 17:30, herbal420medici
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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Consider a two-stage cascade refrigeration system operating between the pressure limits of 0.8 and 0...
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