The food storage room requires a refrigeration system with a capacity of 15 tons of refrigeration which operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 37.0 ° C. The refrigerant used is R-134a and the system operates at saturated conditions. A. COP = Answer . b. Refrigerant flow rate = Answer kg / s. c. Heat loss rate in condenser = Answer kJ / sec.

The food storage room requires a refrigeration system with a capacity of 15 tons of refrigeration which operates at an evaporator temperature of -17.5 ° C and a condenser temperature of 37.0 ° C. The refrigerant used is R-134a and the system operates at saturated conditions. A. COP = Answer . b. Refrigerant flow rate = Answer kg / s. c. Heat loss rate in condenser = Answer kJ / sec.

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

Chapter28: Special Refrigeration Applications

Section: Chapter Questions

Problem 14RQ: Truck trailers with their own refrigeration systems, which are transported on railway cars, are...

See similar textbooks

Similar questions

A typical temperature relationship between a high-efficiency condenser and the ambient temperature is A. 10F. B. 20F. C. 30F. D. 40F.
When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be higher in temperature than the entering air temperature.
Most condensers will subcool the refrigerant to between ____F below the condensing temperature of the refrigerant. A. 0 and 5 B. 5 and 10 C. 10 and 20 D. 20 and 30
Why is a circulating brine system more attractive for ship refrigeration than individual evaporators?
Define net refrigeration effect as it applies to the refrigeration cycle.
Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______, and
Define temperature glide, and give examples of where it occurs in a refrigeration system.
Define flash gas, and explain how it applies to the net refrigeration effect of the refrigeration cycle.
Briefly explain what is meant by a subcritical refrigeration cycle, and list its four processes.
What are the approximate temperature ranges tor low-, medium-, and high-temperature refrigeration applications?
After heat is absorbed into a condenser medium in a water-cooled condenser, the heat can be deposited in one of two places. What are they?
Two methods for accomplishing defrost on low-temperature refrigeration systems are ____and___. Describe how the components in questions 19-23 enhance the refrigeration cycle.