Performance enhancement of CO 2 air conditioner with a controllable ejector

International Journal of Refrigeration

Volumn 35, Issue 6, 2012, Pages 1604-1616

  Liu, Fang ^a   Li, Yong ^a   Groll, Eckhard A ^a  

^a PURDUE UNIVERSITY   (United States)

Author keywords

Carbon dioxide; Compressor; Controllable ejector; Cycle; Enhancement; Performance; Two phase flow; Variable speed

Indexed keywords

AIR CONDITIONERS; AIRCONDITIONING SYSTEMS; CYCLE; EJECTOR GEOMETRY; EXPANSION DEVICES; EXPANSION VALVES; MIXING SECTION; MOTIVE NOZZLE; OPERATING CONDITION; OUTDOOR-AIR TEMPERATURE; PERFORMANCE; PERFORMANCE ENHANCEMENTS; TRANSCRITICAL CO; VARIABLE OPERATING CONDITION; VARIABLE SPEED;

AIR CONDITIONING; COMPRESSORS; DOMESTIC APPLIANCES; EJECTORS (PUMPS); EXPANSION; IMAGE ENHANCEMENT;

CARBON DIOXIDE;

EID: 84864441025     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrefrig.2012.05.005     Document Type: Conference Paper

References (19)

1. C. Aprea, R. Mastrullo, C. Renno, and G.P. Vanoli An evaluation of R22 substitutes performances regulating continuously the compressor refrigeration capacity Appl. Therm. Eng. 24 2004 127 139
2. P. Chaiwongsa, and S. Wongwises Effect of throat diameters of the ejector on the performance of the refrigeration cycle using a two-phase ejector as an expansion device Int. J. Refrigeration 30 2007 601 608
3. 2 cycle with an electric expansion valve and internal heat exchanger Int. J. Refrigeration 30 2007 664 671
4. 2 refrigeration cycle with an ejector Appl. Therm. Eng. 27 2007 381 388
5. Domanski, P.A.; 1995, Minimizing throttling losses in the refrigeration cycle. In: Proceedings of 19th International Congress of Refrigeration 1Vb, pp. 766-773.
6. S. Elbel, and P. Hrnjak Experimental validation of a prototype ejector designed to reduce throttling losses encountered in transcritical R744 system operation Int. J. Refrigeration 31 2008 411 422
7. Jeong, J.; Saito, K.; Kawai, S.; Yoshikawa, C.; Hattori, K.; 2004. Efficiency enhancement of vapor compression refrigerator using natural working fluids with two-phase flow ejector. In: Proceedings 6th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Glasgow, Glasgow, UK.
8. H. Keenan, E.P. Neumann, and F. Lustwerk An investigation of ejector design by analysis and experiment J. Appl. Mech. ASME 72 1950 299 309
9. S.A. Klein Engineering Equation Solver 2004 F-Chart Software
10. 2 as refrigerant. Ph.D. thesis, Ecole de Mines, Paris, France
11. 2 refrigeration cycle using an ejector: 1D analysis. In: Proceeding of International Refrigeration and Air Conditioning Conference at Purdue, Purdue University, USA, Paper No. R058.
12. 2 air conditioning system performance using an ejector Int. J. Refrigeration 34 2011 1614 1625
13. Li, D.; Groll, E.A.; 2004. Theoretical performance evaluation of a carbon dioxide based environmental control unit (ECU) with microchannel heat exchangers. In: Proceeding of the 6th IIR - Gustav Lorentzen Conference on Natural Working Fluids, Glasgow, Scotland.
14. 2 refrigeration cycle with ejector-expansion device Int. J. Refrigeration 28 2005 766 773
15. 2 cycle. In: Proceedings of Int. Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, USA, 2131.
16. F. Liu, and A.E. Groll Recovery of Throttling Losses by a Two-phase Ejector in a Vapor Compression Cycle 2008 ARTI-10110-01 Report
17. I. Owen, A. Abdul-Ghani, and A.M. Amini Diffusing a homogenized two-phase flow Int. J. Multiphase Flow 18 1992 531 540
18. Y.C. Park, Y.C. Kim, and M.K. Min Performance analysis on a multi-type inverter air conditioner Energy Convers. Manage. 42 2001 1607 1621
19. E. Rusly, L. Aye, W.W.S. Charters, and A. Ooi CFD analysis of ejector in a combined ejector cooling system Int. J. Refrigeration 28 2005 1092 1101