Q1/A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.14 and 0.8 MPa. If the mass flow rate of the refrigerant is 0.05 kg/s. determine (a) the rate of heat removal from the refrigerated space and the power input to the compressor. (b) the rate of heat rejection to the environment. and (¢) the COP of the refrigerator. P;=0.14 MPa — hv=239.19 kl/kg 5=0.94467 kI P,=0.8 MPa — hL=275.40 ki/kg P3=0.8 MPa — h=95.48 kl/kg Q1/A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.14 and 0.8 MPa. If the mass flow rate of the refrigerantis 0.05 kg/s, detenmine (a) the rate of heat removal from the refiigerated space and the power inputto the compressor, (b) the rate of heat rejection to the environment, and (c) the COP of therefrigerator.P1 = 0.14 MPa → hv= 239.19 kJ/kgs= 0.94467 kJ/kg-KP2=0.8 MPa- hL= 275.40 kJ/kgP3 = 0.8 MPa –h= 95.48 kJ/kg

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Description: Q1/A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.14 and 0.8 MPa. If the mass flow rate of the refrigerant is 0.05 kg/s. determine (a) the rate of heat removal from

Given data: Pressure at the inlet of compressor = 0.14 MPa Pressure at the exit of compressor = 0.8…

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Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

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Q1/A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor- compression refrigeration cycle between 0.14 and 0.8 MPa. If the mass flow rate of the refrigerant is 0.05 kg/s. determine (a) the rate of heat removal from the refrigerated space and the power input to the compressor. (b) the rate of heat rejection to the environment. and (¢) the COP of the refrigerator. P;=0.14 MPa — hv=239.19 kl/kg 5=0.94467 kI P,=0.8 MPa — hL=275.40 ki/kg P3=0.8 MPa — h=95.48 kl/kg

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