Theoretical study of refrigerant injection technology effect on heat pump cycle performance
Joint Authors
Hasan, Haydar Karim
Khalifah, Abd al-Hadi Nimah
Faraj, Juhayn Jawdat
Source
Engineering and Technology Journal
Issue
Vol. 34, Issue 14A (31 Dec. 2016), pp.2727-2738, 12 p.
Publisher
Publication Date
2016-12-31
Country of Publication
Iraq
No. of Pages
12
Main Subjects
Engineering & Technology Sciences (Multidisciplinary)
Abstract EN
A 5 ton heat pump system with R22 was improved by Liquid Pressure Amplification (LPA) and refrigerant injection technologies.
Three approaches for refrigerant injection were used.
The first one was by mixture injection in suction line through accumulator; the second one was by liquid refrigerant injection through discharge line, while the third was a hybrid injection, in which vapour and liquid refrigerant were injected both simultaneously.
For both approaches two and three LPA technique was used.
The range of volume ratio of injected mixture and liquid was 1 to 7%, and 1 to 10% respectively, and in the hybrid injection, the volume ratio of injected mixture was 1 to 3% and for injected liquid was as mentioned above.
The following improvement in cycle performance factors were achieved, for mixture injection 5.33%, for liquid injection 29.4%, and 33.45% for hybrid injection.
The effect of condensing pressure on the cycle performance was studied also in this work.
American Psychological Association (APA)
Khalifah, Abd al-Hadi Nimah& Faraj, Juhayn Jawdat& Hasan, Haydar Karim. 2016. Theoretical study of refrigerant injection technology effect on heat pump cycle performance. Engineering and Technology Journal،Vol. 34, no. 14A, pp.2727-2738.
https://search.emarefa.net/detail/BIM-756223
Modern Language Association (MLA)
Khalifah, Abd al-Hadi Nimah…[et al.]. Theoretical study of refrigerant injection technology effect on heat pump cycle performance. Engineering and Technology Journal Vol. 34, no. 14A (2016), pp.2727-2738.
https://search.emarefa.net/detail/BIM-756223
American Medical Association (AMA)
Khalifah, Abd al-Hadi Nimah& Faraj, Juhayn Jawdat& Hasan, Haydar Karim. Theoretical study of refrigerant injection technology effect on heat pump cycle performance. Engineering and Technology Journal. 2016. Vol. 34, no. 14A, pp.2727-2738.
https://search.emarefa.net/detail/BIM-756223
Data Type
Journal Articles
Language
English
Notes
Includes appendices : p. 2737-2738
Record ID
BIM-756223