In refrigeration system uses R22, the evaporator temperature is -20C and the condenser temperature is 50C. The cycle is ideal. Determine the refrigeration effect (RE) and Coefficient of Performance (COP).If the subcooling of the refrigerant is 5K, determine the refrigeration effect (RE) and Coefficient of Performance (COP). Q5/ In refrigeration system uses R22, the evaporator temperature is -20°C and thecondenser temperature is 50°C. The cycle is ideal. Determine the refrigeration effect (RE)and Coefficient of Performance (COP).If the subcooling of the refrigerant is 5°K, determine the refrigeration effect (RE) andCoefficient of Performance (COP).

Answered: Q5/ In refrigeration system uses R22,…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In refrigeration system uses R22, the evaporator temperature is -20C and the condenser temperature is 50C. The cycle is ideal. Determine the refrigeration effect (RE) and Coefficient of Performance (COP). If the subcooling of the refrigerant is 5K, determine the refrigeration effect (RE) and Coefficient of Performance (COP).

Q5/ In refrigeration system uses R22, the evaporator temperature is -20°C and the
condenser temperature is 50°C. The cycle is ideal. Determine the refrigeration effect (RE)
and Coefficient of Performance (COP).
If the subcooling of the refrigerant is 5°K, determine the refrigeration effect (RE) and
Coefficient of Performance (COP).

Expert Solution

Step 1

Introduction

In this problem, we will calculate the refrigeration effect and coefficient of performance for the ideal refrigeration condition by considering the property of R22 refrigerant from the steam table then we will calculate the refrigeration effect and coefficient of performance under the subcooling condition by considering the enthalpy of subcooling.

Given data:

$\begin{array}{rcl} evaporator temperature (T_{1}) & = & - 20 ° C \\ condenser pressure (T_{2}) & = & 50 ° C \\ subcooling temperature (T) & = & 5 ° C \end{array}$

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