a) A rigid recovery cylinder has a volume of 0.02 m³, contains Refrigerant R-134a asshown in Figure Q1. Initially, the density and temperature of the refrigerant are85 kg/m3 and 48°C, respectively. Due to heat transfer to the refrigerant, its pressureand temperature were observed to increase until it becomes saturated vapor. Showthe process on a T-v diagram with respect to saturation lines, and determine,i) the final temperature of the refrigerant, °C,ii) the heat transfer to the refrigerant, kJ.R- 134aQin48°C85 kg/m?0.02 mFig. Q1b) The United States Environmental Protection Agency (US EPA) has specified that thetemperature of recovered refrigerant inside the rigid recovery cylinder must notexceed 52°C for safety reasons. To satisfy this requirement, the saturated vapor in parta) above needs to be cooled to a mixture at 52°C by removing heat from therefrigerant. Determine the amount of heat (kJ) that needs to be removed from therefrigerant.

Given that: Cylinder volume =0.02 m3, Refrigerant R-134a Density of refrigerant = 85 kg/m3…

Answered: i) the final temperature of the…

Engineering

Mechanical Engineering

i) the final temperature of the refrigerant, °C, ii) the heat transfer to the refrigerant, kJ.

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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