Generalized Performance Characteristics of Refrigeration and Heat Pump Systems

<table>Dimensionless cooling rate (<svg height="10.35" id="M134" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 11.5875 10.35" width="11.5875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.35)">
<g transform="translate(72,-63.72)">
<text transform="matrix(1,0,0,-1,-71.95,63.77)">
<tspan style="font-size: 11.21px; " x="0" y="0">𝑟</tspan>
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<text transform="matrix(1,0,0,-1,-67.38,68.25)">
<tspan style="font-size: 7.85px; " x="0" y="0">∗</tspan>
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</svg>) versus coefficient of performance (<svg height="6.6999998" id="M135" style="vertical-align:-0.10126pt" version="1.1" viewbox="0 0 10.9875 6.6999998" width="10.9875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,6.7)">
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<text transform="matrix(1,0,0,-1,-71.95,66.79)">
<tspan style="font-size: 11.21px; " x="0" y="0">𝑤</tspan>
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</svg>) for the reverse Rankine cycle. The losses arise due to the real equation of state.</table>

Physics Research International

fig7

Figure 7

Figure 7: Generalized Performance Characteristics of Refrigeration and Heat Pump Systems 