An air refrigerator works between the pressure limits of 1 bar and 5 bar. The temperature of air entering the compressor and expansion cylinder are 10 ∘C and 25 ∘C , respectively. The expansion and compression follow the law PV3 = C. Determine the following,Theoretical COPIf the load on the refrigerating machine is 10 TR, find the amount of air circulated per minute through the system assuming that the actual COP is 50 % of the theoretical COPThe stroke length (L) and piston diameter (D) of a single acting compressor if the compressor runs at 300 rpm and volumetric efficiency is 85 %. Take L/D = 2.5, Cp = 1.006 kJ/kg-K and Cv = 0.70 kJ/kg-K An air refrigerator works between the pressure limits of 1 bar and 5 bar. The temperature of air entering the compressor and expansion cylinderare 10 °C and 25 °C, respectively. The expansion and compression follow the law PV3 = C. Determine the following,• Theoretical COP• If the load on the refrigerating machine is 10 TR, find the amount of air circulated per minute through the system assuming that the actualCOP is 50 % of the theoretical COP• The stroke length (L) and piston diameter (D) of a single acting compressor if the compressor runs at 300 rpm and volumetric efficiency is 85%.Take L/D = 2.5, Cp 1.006 kJ/kg-K and Cv = 0.70 kJ/kg-K

Theoretical COP of refrigeration cycle is given as- COP = TcoldThot-Tcold=…

Answered: An air refrigerator works between the…

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

Problem 1.1P

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An air refrigerator works between the pressure limits of 1 bar and 5 bar. The temperature of air entering the compressor and expansion cylinder are 10 ∘C and 25 ∘C , respectively. The expansion and compression follow the law PV³= C. Determine the following,

Theoretical COP
If the load on the refrigerating machine is 10 TR, find the amount of air circulated per minute through the system assuming that the actual COP is 50 % of the theoretical COP
The stroke length (L) and piston diameter (D) of a single acting compressor if the compressor runs at 300 rpm and volumetric efficiency is 85 %.

Take L/D = 2.5, Cp = 1.006 kJ/kg-K and Cv = 0.70 kJ/kg-K