Draw the schematic and p-h diagram for the problem below: A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -35 degree Celsius and high pressure condenser is at 1514.2 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons. Determine the a.) the COP, and b.) the quantity of the fluid entering.

Draw the schematic and p-h diagram for the problem below: A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -35 degree Celsius and high pressure condenser is at 1514.2 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons. Determine the a.) the COP, and b.) the quantity of the fluid entering.

Name: Draw the schematic and p-h diagram for the problem below:A two-stage c
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Description: Draw the schematic and p-h diagram for the problem below:A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -35 degree Celsius and high pressure condenser is at 1514.2 kPa. The cascade condenser is a

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 22RQ: Variable refrigerant flow systems sense the ______and _____of the refrigerant to determine the...

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Draw the schematic and p-h diagram for the problem below: A two-stage cascade refrigeration system uses ammonia as the working substance. The evaporator is at -35 degree Celsius and high pressure condenser is at 1514.2 kPa. The cascade condenser is a direct-contact type. The refrigeration load is 90 tons. Determine the a.) mass flow rate in the low-pressure loop. b.) The mass flow rate in the high-pressure loop, c.) the power required, d.) the COP, and e.) the quantity of the fluid entering.
3. The food storage room requires a cooling system with a capacity of 15 tons of refrigeration that operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 40.7 ° C. The refrigerant used is R-134a and the system operates in saturated conditions. a. COP = Answer b. Refrigerant flow rate = Answer kg / s. c. Heat loss rate in condenser = Answer kJ / s.
Draw the schematic and p-h diagram for the problem below: A two-stage cascade refrigeration system uses ammonia as refrigerant. The mass flow rate in the high-pressure loop is 0.10 kg/s. The condenser saturated temperature is 38 degree Celsius and the evaporator temperature is -40 degree Celsius. The cascade condenser is a direct contact type. Determine a.) the refrigerating effect in tons of refrigeration, b.) the power required, and c.) the COP.
A cascade system is to be designed to attain a temperature of 213K in an environment of 313K. The refrigerant of the high temperature side is R-134-A and that for low side is R-134-A. The condensing temperature of low side is 5K above the evaporator temperature in the cascade. Compute A.Cop. B.pressure Ratio. C.Mass flow rates of each refrigerant. D.Volume flow rate per TOR. with TS Diagram Using this Steam Table:https://docdro.id/VkxK8WH