Question

In: Mechanical Engineering

The figure below gives data for an ideal vapor-compression heat pump cycle operating at steady state...

The figure below gives data for an ideal vapor-compression heat pump cycle operating at steady state with Refrigerant 134a as the working fluid. The heat pump provides heating at a rate of 15 kW to maintain the interior of a building at TH = 20°C when the outside temperature is TC = 0°C.




State

p
(bar)

h
(kJ/kg)

1

2.4

244.1

2

10

273.6

3

10

105.3

4

2.4

105.3




Determine:

(a) the temperatures at the principal states of the cycle, each in °C.

(b) the power input to the compressor, in kW.

(c) the coefficient of performance.

(d) the coefficient of performance for a Carnot heat pump cycle operating between reservoirs at the building interior and outside temperatures, respectively.

Solutions

Expert Solution

samet mamat answered 2 years ago
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