Please only answer parts C and D. Parts A and B are already answered in the picture 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 isgiven 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 asafety factor of 1.3 such that QL = 26 kW. The compressor efficiency could range from 60 to 80 percent.This is to be completed individually. It would be highly unlikely for multiple students to select all thesame design parameters in part (a).Saturbel43Expansionvalve orcapillary tubeP= 900кваQHकीktState (: R=Dook Pn, X= 1 ; h₁= 2441|512714; S₁ = 0.9377 4 235-1 ; T₁ = -10.09°CCondenserEvaporatorTel.Pi=200 ква0Compressor70%WorkI sat vayerAs part of the design, you should:a)Specify and justify the constraints (isentropic efficiency, condenser, and evaporatortemperature) you chose.b) Show the cycle in relation to the two-phase region on a temperature-entropy (T-S) diagram.Strte): 525 0.9327 76542 P= 900 kPa, h₂ = 275, 742, ha thith=266. 41/25, T₂ = 35.51 °C 152 = 0.90 275 1454 141, X₂2 = 0.9822State3: X₁=0; 1² = R₂ = 4krajin₂ = 101.675₂ = 0.37384-7+; 13 = 35.51°2Stute 4 P4 = V₁ = 2004/² i by=h₂ = 1V1.610/3, 54 -0.3942 #444; Ty = -10.09 ° C; X4=0.3066h) Using R-22 as the working fluid:c) Determine the temperatures and pressures at the different points in the cycle (points 1, 2, 3,and 4).d) Determine the coefficient of performance value and the mass flow rate of the working fluid.

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 Qu= 26 kW. The compressor efficiency could range from 60 to 80 percent_ This is to be completed individually. It would be highly unlikely for multiple students to select all the same design parameters in part (a). Band

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 Qu= 26 kW. The compressor efficiency could range from 60 to 80 percent_ This is to be completed individually. It would be highly unlikely for multiple students to select all the same design parameters in part (a). Band

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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