11. Use ASHRAE Table and Ph diagram 2019 heat exchanger that would superheat the suction vapor to 25°C.Compare the coefficient of performance of these two cycles. Whatis the temperature of the refrigerant entering the expansion valvewith the heat exchanger? For a load of 50kW, determine thevolume flow rate for both cycles.Ans. 2.79, 2.80, 12°C, 0.0522m³/s, 0.0523 m³/s (11) In a conventional refrigeration cycle which uses Freon-12 as the refrigerant, the temperature of the evaporating fluidis -20°C. It leaves the evaporator as saturated vapor at -20°Cand enters the compressor. The pressure in the condenser is 1.30MPa. The liquid leaves the condenser and enters the expansionvalve at 40°C. It is proposed to modify this cycle by adding a

Given:Refrigerant=R12Evaporating temperature, Te=-20oCCondenser pressure, Pc=1.30 MPaTemperature of…

(11) In a conventional refrigeration cycle which uses Freon- 12 as the refrigerant, the temperature of the evaporating fluid is -20°C. It leaves the evaporator as saturated vapor at -20°C and enters the compressor. The pressure in the condenser is 1.30 MPa. The liquid leaves the condenser and enters the expansion valve at 40°C. It is proposed to modify this cycle by adding a

(11) In a conventional refrigeration cycle which uses Freon- 12 as the refrigerant, the temperature of the evaporating fluid is -20°C. It leaves the evaporator as saturated vapor at -20°C and enters the compressor. The pressure in the condenser is 1.30 MPa. The liquid leaves the condenser and enters the expansion valve at 40°C. It is proposed to modify this cycle by adding a

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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