In an ideal Vapor Compression Refrigeration Cycle,using h2=382 kJ/kg, h3=243.15 kJ/kg, h4=243.15 kJ/kg and h1=338.14 kJ/kg,...

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In an ideal Vapor Compression Refrigeration Cycle,using h2=382 kJ/kg, h3=243.15 kJ/kg, h4=243.15 kJ/kg and h1=338.14 kJ/kg,...

In an ideal Vapor Compression Refrigeration Cycle,using h2=382 kJ/kg, h3=243.15 kJ/kg, h4=243.15 kJ/kg and h1=338.14 kJ/kg, determine the refrigerating effect in kJ/kg and coefficient of performance.

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Answer 1

Answer #1

h₁ = 338.14 KJ/Kg

h₂ = 382 KJ/Kg

h₃ = h₄ = 243.15 KJ/Kg

Refrigeration effect (RE) = h₁ - h₄ = 338.14 - 243.15 = 94.99 KJ/Kg

Work Input to the system (W) = h₂ - h₁= 382 - 338.14 = 43.86 KJ/Kg

COP = RE / W = 94.99 / 43.86 = 2.166

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Answer 2

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