Flash gas bypass in mobile air conditioning system with R134a

International Journal of Refrigeration

Volumn 35, Issue 7, 2012, Pages 1869-1877

  Tuo, Hanfei ^a   Hrnjak, Pega ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

Author keywords

Air conditioning system; Microchannel evaporator; Refrigerant distribution; Two phase flow

Indexed keywords

AIRCONDITIONING SYSTEMS; COOLING CAPACITY; DIRECT EXPANSION; FLASH GAS; MOBILE AIR CONDITIONING; REFRIGERANT PRESSURE DROP; SINGLE PASS;

COOLING; EVAPORATORS; MICROCHANNELS; REFRIGERANTS;

AIR CONDITIONING;

EID: 84866393183     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrefrig.2012.05.013     Document Type: Article

References (18)

1. A.C. Beaver, J. Yin, C.W. Bullard, and P.S. Hrnjak An Experimental Investigation of Transcritical Carbon dioxide Systems for Residential Air-Conditioning ACRC Report CR-18 1999 University of Illinois at Urbana-Champaign
2. C.D. Bowers, T.A. Newell, and P.S. Hrnjak Experimental Investigation of Two-Phase Refrigerant Distribution in a Microchannel Manifold ACRC Report TR-245 2006 University of Illinois at Urbana-Champaign
3. H. Cho, and K. Cho Mass flow rate distribution and phase separation of R-22 in multi-microchannel tubes under adiabatic condition Microscale Thermophys. Eng. 8 2 2004 527 533
4. M. Dshida, and P.S. Hrnjak Evaluation of Microchannel Heat Exchangers for A Residential Mini-Split Type Air-Conditioning/Heat Pump System ACRC Report CP-67 2008 University of Illinois at Urbana-Champaign
5. S.W. Elbel, and P.S. Hrnjak Flash gas bypass for improving the performance of transcritical R744 systems that use microchannel evaporators Int. J. Refrigeration 27 7 2004 724 735
6. P.S. Hrnjak, M.A. Shannon, T.M. Leicht, and N.R. Miller Detection of liquid mass fraction at the evaporator exit of refrigeration systems Int. J. Therm. Sci. 40 8 2001 773 786 (Pubitemid 33378341)
7. Y. Hwang, D. Jin, and R. Radermacher Refrigerant distribution in minichannel evaporator manifolds HVAC&R Res. 13 4 2007 543 555 (Pubitemid 46993367)
8. J. Jiang, X. Lu, and L. Huang Refrigerant Distributor for Heat Exchanger 2010 U.S. Patent No 20100242535 A1
9. R.J. Moffat Describing the uncertainties in experimental results Exp. Therm. Fluid Sci. 1 1 1988 3 17
10. A. Marchitto, F. Devia, M. Fossa, G. Guglielmini, and C. Schenone Experiments on two-phase flow distribution inside parallel channels of compact heat exchangers Int. J. Multiphase Flow 34 2 2008 128 144
11. A. Milosevic, and P.S. Hrnjak Effect of Using Flash Gas Bypass on Evaporator Effectiveness and System Efficiency When Operating with Low Pressure Refrigerants ACRC Report TR-283 2010 University of Illinois at Urbana-Champaign
12. F.D. Peng, D. Cantrak, and P.S. Hrnjak Refrigerant Distribution in the Inlet Header of Plate Evaporators 2002 SAE Paper No.2002-01-0948
13. N. Shikazono Development of compact gas-liquid separator using surface tension Int Symposium on Next-generation Air Conditioning and Refrigeration Technology, Tokyo, Japan 2010
14. M.F. Taras, A. Kirkwood, and R. Chopko Parallel Flow Evaporator with Spiral Inlet Manifold 2010 U.S. Patent No 7806171 B2
15. H. Tuo, A. Bielskus, and P.S. Hrnjak Effect of flash gas bypass on the performance of R134a mobile air-conditioning system with microchannel evaporator SAE Int. J. Mater. Manufacturing 4 1 2011 231 239
16. H. Tuo, and P.S. Hrnjak Experimental Study of Refrigerant Two Phase Separation in Compact Vertical T-junction 2012 ASHRAE 2012 Winter Conference, Paper. CH-12-C086
17. H. Tuo, and P.S. Hrnjak An Experimentally Validated Model of Refrigerant Distribution in a Parallel Microchannel Evaporator 2012 SAE 2012 Congress, Paper. 2012-01-321
18. Y. Zou, and P.S. Hrnjak Performance Measurement and Visualization on the Refrigerant Distribution in the Vertical Manifold of the Microchannel Tube Heat Exchanger ACRC Report CR-73 2010 University of Illinois at Urbana-Champaign