Improved indoor thermal comfort during defrost with a novel reverse-cycle defrosting method for air source heat pumps

Building and Environment

Volumn 45, Issue 11, 2010, Pages 2354-2361

  Minglu, Qu ^a   Liang, Xia ^a   Deng, Shiming ^a   Yiqiang, Jiang ^b  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

^b HARBIN INSTITUTE OF TECHNOLOGY   (China)

Author keywords

Air source heat pumps; Indoor thermal comfort; Reverse cycle defrost; Thermal energy storage

Indexed keywords

ATMOSPHERIC TEMPERATURE; DEFROSTING; ENERGY EFFICIENCY; HEAT STORAGE; PUMPS; SPACE HEATING; THERMAL COMFORT; THERMAL ENERGY; THERMOGRAPHY (TEMPERATURE MEASUREMENT);

COMPARATIVE EXPERIMENTS; INDOOR AIR TEMPERATURE; INDOOR THERMAL COMFORT; LOW AMBIENT TEMPERATURES; OPERATIONAL PERFORMANCE; SUPPLY AIR TEMPERATURE;

AIR SOURCE HEAT PUMPS;

AIR CONDITIONING; AIR TEMPERATURE; AMBIENT AIR; HEATING; INDOOR AIR;

EID: 77954214535     PISSN: 03601323     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.buildenv.2010.04.006     Document Type: Article

References (27)

1. Nishimura T. Heat pumps-status and trends in Asia and the pacific. International Journal of Refrigeration 2002, 25(4):405-413.
2. Ding Y.J., Ma G.Y., Chai Q.H. Experiment investigation of reverse cycle defrosting methods on air source heat pump with TXV as the throttle regulator. International Journal of Refrigeration 2004, 27(6):617-678.
3. Byun J.S., Jeon C.D., Jung J.H., Lee J. The application of photo-coupler for frost detecting in an air-source heat pump. International Journal of Refrigeration 2006, 29(2):191-198.
4. Mei V.C., Gao Z., Tomlinson J.J. Frost-less heat pump. ASHRAE Transaction 2002, 108(1):452-459.
5. Yao Y., Jiang Y.Q., Deng S.M., Ma Z.L. A study on the performance on the airside heat exchanger under frosting in ASHP water heater chiller unit. International Journal of Heat and Mass Transfer 2004, 47(17-18):3745-3756.
6. Krakow K.I., Yan L., Lin S. An idealized model of reversed-cycle hot gas defrosting of evaporators-Part 1: theory. ASHRAE Transaction 1993, 99(2):317-338.
7. Watters R.J., O'Neal D.L., Yang J.X. Frost/defrost performance of a three-row fin staged heat pump evaporator. ASHRAE Transaction 2002, 108(2):318-329.
8. Wu X.M., Webb R.L. Investigation of the possibility of frost release from a cold surface. Experimental Thermal and Fluid Science 2001, 24(3-4):151-156.
9. Jhee S., Lee K.S., Kim W.S. Effect of surface treatments on the frosting defrosting behavior of a fin-tube heat exchanger. International Journal of Refrigeration 2002, 25(8):1047-1053.
10. O'Neal D.L., Pterson K.T., Anand N.K. Effect of short-tube orifice size on the performance of an air source heat pump during the reverse-cycle defrost. International Journal of Refrigeration 1991, 14(1):52-57.
11. Nutter D.W., O'Neal D.L., Payne V. Impact of the suction line accumulator on the frost/defrosting performance of an air source heat pump with a scroll compressor. ASHRAE Transaction 1996, 102:284-290.
12. Anand N.K., Schiesing J.S., O'Neal D.L., Peterson K.T. Effects of outdoor coil fan pre-start on pressure transients during the reverse cycle defrost of heat pump. ASHRAE Transaction 1989, 95(2):699-704.
13. Huang D., Yuan X.L., Zhang X.Q. Effects of fan-starting methods on the reverse-cycle defrost performance of an air-to-water heat pump. International Journal of Refrigeration 2004, 27(8):869-875.
14. Huang J.M., Hsieh W.C., Ke X.J., Wang C.C. The effects of frost thickness on the heat transfer of finned tube heat exchanger subject to the combined influence of fan types. Applied Thermal Engineering 2008, 28(7):728-737.
15. Wang Z.Y., Wang X.X., Dong Z.M. Defrost improvement by heat pump refrigerant charge compensating. Applied Energy 2008, 85(11):1050-1059.
16. Fanger P.O. Thermal comfort 1970, Danish Technical Press, Copenhagen.
17. Fanger P.O. Thermal comfort 1982, Robert E. Krieger Publishing Company, Malabar, FL.
18. ANSI/ASHRAE Standard 55-2004 Thermal environment conditions for human occupancy 2004, American Society of Heating, Refrigerating and Air-Conditioning Engineering, Inc, Atlanta, GA, USA.
19. Yang K.H., Su C.H. An approach to building energy savings using the PMV index. Building and Environment 1997, 32(1):25-30.
20. Kumar S., Mahdavi A. Integrating thermal comfort field data analysis in a casebased building simulation environment. Building and Environment 2001, 36(6):711-720.
21. Clausse M., Alam K.C.A., Meunier F. Residential air conditioning and heating by means of enhanced solar collectors coupled to an adsorption system. Solar Energy 2008, 85(10):885-892.
22. Kuchen E., Fisch M.N. Spot monitoring: thermal comfort evaluation in 25 office buildings in winter. Building and Environment 2009, 44(4):839-847.
23. Chowdhury A.A., Rasul M.G., Khan M.M.K. Thermal-comfort analysis and simulation for various low-energy cooling-technologies applied to an office building in subtropical climate. Applied Energy 2008, 85(6):449-462.
24. ISO 7730 Ergonomics of the thermal environment-analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria 2005, International Standard Organization, Geneva.
25. Zalba B., Marin J., Cabeza L., Mehling H. Review on thermal energy storage with phase change: materials, heat transfer analysis and applications. Applied Thermal Engineering 2003, 23:251-283.
26. Guo X.M., Chen Y.G., Wang W.H., Chen C.Z. Experimental study on frost growth and dynamic performance of air source heat pump system. Applied Thermal Engineering 2008, 28(17-18):2267-2278.
27. Payne V., O'Neal D.L. Defrost cycle performance for an air-source heat pump with a scroll and a reciprocating compressor. International Journal of Refrigeration 1995, 18(2):107-112.