Answered: A refrigeration system is to be…

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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Question

A refrigeration system is to be designed to maintain the temperature in the range of -15°C to -5°C, while the outside temperature varies from 15°C to 25°C. The total thermal load on the storage unit is given as 20 kW. Obtain an initial design for the vapor compression refrigeration system shown below. For safe operation and other factors, such as additional energy transfer, design the system using a safety factor of 1.3 such that QL = 26 kW. The compressor efficiency could range from 60 to 80 percent. As part of the design, you should: 1. Specify and justify the constraints (isentropic efficiency, condenser, and evaporator temperature) you chose. 2. Show the cycle in relation to the two-phase region on a temperature-entropy (T-s) diagram. Please upload picture of tables if any are used

Он
Compressor
Condenser
Expansion
valve or
Work
capillary tube
Evaporator
ww

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