اريد حل كتابة يد 3) A R134a system is working at evaporating temperature of -10°C and the condensingtemperature of 40°C. Assuming that the system works as a simple vapour compressioncycle, draw the cycle on the p-h diagram, and find the following:(a) the refrigerating effect per kg.(b) the mass flow rate of refrigerant required to be circulated (in kg/s) to get 1 kW ofrefrigeration.(c) the mass of refrigerant circulated per second for a 10 kW refrigeration unit.4) A simple vapour compression system keeping the evaporator temperature of 8°C andcondensing temperature of 35°C, the system using R22 and its capacity of 5 TR. Show thecycle on the p-h chart and determine the following:(a) the mass flow rate of the refrigerant.(b) Volume flow rate handled by the compressor.(c) power required by the compressor and power requirement of the compressor per ton ofrefrigeration.(d) heat rejected in the condenser.(e) COP of the system, and the corresponding Carnot COP.

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3) A R134a system is working at evaporating temperature of -10°C and the condensing temperature of 40°C. Assuming that the system works as a simple vapour compression cycle, draw the cycle on the p-h diagram, and find the following: (a) the refrigerating effect per kg. (b) the mass flow rate of refrigerant required to be circulated (in kg/s) to get 1 kW of refrigeration. (c) the mass of refrigerant circulated per second for a 10 kW refrigeration unit.

3) A R134a system is working at evaporating temperature of -10°C and the condensing temperature of 40°C. Assuming that the system works as a simple vapour compression cycle, draw the cycle on the p-h diagram, and find the following: (a) the refrigerating effect per kg. (b) the mass flow rate of refrigerant required to be circulated (in kg/s) to get 1 kW of refrigeration. (c) the mass of refrigerant circulated per second for a 10 kW refrigeration unit.

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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