01. A refrigerant 22 system having a refrigerating capacity of 55 kW operates with an evaporating temperature of 5°C and rejects heat to water cooled condenser. The compressor is hermetically sealed. The condenser has a U value of 450 W/m².K and a heat-transfer area of 18 m? and receives a flow rate of cooling water of 3.2 kg/s at a temperature of 30°C. What is the condensing temperature?

01. A refrigerant 22 system having a refrigerating capacity of 55 kW operates with an evaporating temperature of 5°C and rejects heat to water cooled condenser. The compressor is hermetically sealed. The condenser has a U value of 450 W/m².K and a heat-transfer area of 18 m? and receives a flow rate of cooling water of 3.2 kg/s at a temperature of 30°C. What is the condensing temperature?

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

See similar textbooks

Similar questions

Explain the condenser coils of a refrigerator must be cleaned periodically, and the airflow passages must not be blocked to maintain high performance.
A refgeration plant working on a sinple vapour compression cycle with pressure limits of 2.1 bar and 13.5 bar produces q cooling effect of 50kw. The refrigerant is dry saturated at the exit of evaporator and saturated liquid at the exit of condenser. Determine the power required by the compressor to run the refigeration plant . The properties of the refrigerant is given below. Take the specific heat of refrigerant vapour as 2.903 kJ/kg K
Required information Refrigerant-134a enters the condenser of a steady-flow Carnot refrigerator as a saturated vapor at 65.0 psia, and it leaves with a quality of 0.05. The heat absorption from the refrigerated space takes place at a pressure of 30 psia. Determine the coefficient of performance. (Round the final answer to three decimal places.) The coefficient of performance is
An NH; vapor compression refrigeration system has a condensing temperature of 25°C and an evaporating temperature of -10°C. The refrigerating capacity is 7 tons. If the suction vapor was superheated from -10°C to 10 C, Determine: a) refrigerant flow rate; b) Volumetric flow at compressor suction; c) theoretical power required; d) Heat rejected in the condenser; e) Refrigerating Effect; f) COP
Can you also show the T-s and P-h diagrams? A Single Stage Vapor Compression (SSVC) refrigeration system has a cooling capacity of 6 tons. The discharge of the evaporator is at -20°C & 0.1 MPa and the discharge of the condenser is at 30°C & 1.0 MPa. Determine the following: (a) the COP of the system, (b) the Energy Efficiency Ratio in kJ/hr/W, (c) the HP/ton of the system, (d) the Refrigerating Efficiency of the system.
3) A cascade refrigeration system uses R22 in the low temp unit and R12 in the high temp unit. The system develops 28 kW of refrigeration at -45°C. The R12 system operates at -12°C evaporating temp and 40°C condensing temp. There is a 10° overlap of temperatures in the cascade condenser. Calculate the power required by R22 compressor, and the power required R12 compressor.
An NH, vapor compression refrigeration system has a condensing temperature of 25•C and an evaporating temperature of -10°C. The refrigerating capacity is 7 tons. By Creating a schematic diagram and ph diagram determine the ff: a) refrigerant flow rate; b) volumetric flow rate at compressor suction; c) theoretical power required; d) heat rejected in the condenser; e) Refrigerating Effect and f) Coefficient of performance
Determine the cooling capacity and the coefficient of performance of the air conditioning system?
Subject Thermodynamics. Instructions: Don't round off in the process. Just round off in the final answer with 2 decimals only. Use 273.15 K to convert Celsius to Kelvin
I need help I missed classes and idk how to do it ! Help