| Open Specific Steady-State Devices>Gas Refrigeration/Heat Pump |   |
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 In
a gas refrigeration system air enters the compressor at 10oC
and 50 kPa and the turbine at 50oC and 250 kPa. The mass flow
rate is 0.08 kg/s. Assuming variable specific heat, determine (a) the rate
of cooling, (b) the net power input and (c) the COP.
What-If Scenario: How do the answers change if the gas is helium instead? Solution: Step-by-step
instructions as well as the TEST-Code can be found in the Tutorial>Daemons>OpenCycle>Practice
page. An image of the Cycle panel is reproduced from the Slide Show below.
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