Engineering, 20.08.2019 18:20 yzafer3971
Asimple vapor-compression refrigeration system operates with r-22 as the working fluid between the pressures of 2 bar and 20 bar. the refrigerant leaves the evaporator at 0°c, it exits the condenser with a quality of 20% and the compressor efficiency is 61%. the cooling load is 259 kw. a. plot all five points on the puh diagram provided. b. determine the temperature exiting the compressor. determine the power input to the compressor, in kw d. determine the rate of heat rejection from the condenser, in kw. e. determine the cop of the system.
Answers: 1
Engineering, 04.07.2019 18:10
What difference(s) did you notice using a pneumatic circuit over hydraulic circuit.explain why the pneumatic piston stumbles when it hits an obstacle.
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Engineering, 04.07.2019 18:20
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
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Engineering, 04.07.2019 19:10
When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?
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Engineering, 04.07.2019 19:10
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
Answers: 2
Asimple vapor-compression refrigeration system operates with r-22 as the working fluid between the p...
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