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Consider a Carnot-cycle heat pump with R-410a as the working fluid. Heat is rejected from the...

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Mechanical Engineering

Consider a Carnot-cycle heat pump with R-410a as the workingfluid. Heat is rejected from the R410a at 35 oC, during whichprocess the R-410a changes from saturated vapor to saturatedliquid. The heat is transferred to the R-410a at 0 oC. The specificvolume during the isothermal heat addition process at 0 oC changesfrom 0.00841 m3 /kg to 0.02994 m3 /kg.

a. Show the cycle on P-T, P-v, and T-v diagrams.

b. Find the quality at the beginning and at the end of theisothermal heat addition process at 0 oC.

c. Find the pressure and specific volume at the four points.

d. Find the specific heat and specific work at each process.

e. Find the net specific heat and the net specific work duringthe cycle.

f. Determine the COP of the cycle using heat and work.

g. Determine the COP of the cycle using temperatures.

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