Evaluation of low GWP refrigerants as alternatives for R134a in a vapor compression refrigeration cycle under varying operating conditions
Joint Authors
Ways, Musa Mustafa
Abd al-Amir, Qusayy Rashid
Source
Journal of University of Babylon for Engineering Sciences
Issue
Vol. 25, Issue 1 (28 Feb. 2017), pp.346-359, 14 p.
Publisher
Publication Date
2017-02-28
Country of Publication
Iraq
No. of Pages
14
Main Subjects
Abstract EN
The present work is a numerical comparative study for low GWP refrigerants based on R161, R152a, R1234ze(e) and R1234yf as a substitute for R134a in a vapor compression refrigeration cycle under varying operating conditions.
A computational model is developed by engineering equation solver software (EES).
The effects of degree of subcooling, superheating, evaporating and condensing temperatures on the main performance parameters in term of mass flow rate of refrigerant, pressure ratio, volumetric cooling capacity, compressor input power and coefficient of performance are computed for selected refrigerants.
The performance results are compared with respect to R134a.
The results indicated that the coefficient of performance for R152a is slightly better than the other refrigerants under various operating conditions.
The refrigerant R1234ze(e) has approximately the same COP and VCC of R134a and it has the lowest compressor input power and TEWI value over the four compared low GWP refrigerants.
American Psychological Association (APA)
Abd al-Amir, Qusayy Rashid& Ways, Musa Mustafa. 2017. Evaluation of low GWP refrigerants as alternatives for R134a in a vapor compression refrigeration cycle under varying operating conditions. Journal of University of Babylon for Engineering Sciences،Vol. 25, no. 1, pp.346-359.
https://search.emarefa.net/detail/BIM-918367
Modern Language Association (MLA)
Abd al-Amir, Qusayy Rashid& Ways, Musa Mustafa. Evaluation of low GWP refrigerants as alternatives for R134a in a vapor compression refrigeration cycle under varying operating conditions. Journal of University of Babylon for Engineering Sciences Vol. 25, no. 1 (2017), pp.346-359.
https://search.emarefa.net/detail/BIM-918367
American Medical Association (AMA)
Abd al-Amir, Qusayy Rashid& Ways, Musa Mustafa. Evaluation of low GWP refrigerants as alternatives for R134a in a vapor compression refrigeration cycle under varying operating conditions. Journal of University of Babylon for Engineering Sciences. 2017. Vol. 25, no. 1, pp.346-359.
https://search.emarefa.net/detail/BIM-918367
Data Type
Journal Articles
Language
English
Notes
Includes appendices : p. 357-359
Record ID
BIM-918367