Defrost cycle performance for a circular shape evaporator air source heat pump

International Journal of Refrigeration

Volumn 31, Issue 3, 2008, Pages 444-452

  Hewitt, Neil ^a   Huang, Ming Jun ^b  

^a UNIVERSITY OF ULSTER   (United Kingdom)

^b UNIVERSITY OF EXETER   (United Kingdom)

Author keywords

Air water; Frosting; Heat pump; House; Performance; Survey

Indexed keywords

AIR; ATMOSPHERIC HUMIDITY; HEAT PUMP SYSTEMS;

AIR SOURCE HEAT PUMPS; DEFROST CYCLE PERFORMANCE;

DEFROSTING;

EID: 40249090612     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrefrig.2007.07.010     Document Type: Article

References (12)

1. Anand N.K., Schliesing J.S., O'Neal D.L., and Peterson K.T. Effects of outdoor coil fan pre-start on pressure transients during the reverse cycle defrost of heat pump. ASHRAE Trans. 95 2 (1989) 699-704
2. Anon., 2004. EN14511: air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling (Parts 1-4).
3. Byun J.-S., Jeon C.-D., Jung J.-H., and Lee J. The application of photo-coupler for frost detecting in an air-source heat pump. Int. J. Refrigeration 29 (2006) 191-198
4. DTI & National Statistics, 2001. Energy-Consumption in the UK.
5. Huang D., Yuan X., and Zhang X. Effects of fan-starting methods on the reverse-cycle defrost performance of an air-to-water heat pump. Int. J. Refrigeration 27 (2004) 869-875
6. Jones B.W., and Parker J.D. Frost formation with varying environmental parameters. Trans. ASME J. Heat Transf. (1975)
7. Nutter D.W., O'Neal D.L., and Payne W.V. Impact of the suction line accumulator on the frost/defrost performance of an air-source heat pump with a scroll compressor. ASHRAE Trans. 102 (1996) 689-698
8. O'Neal D.L., Peterson K., and Anand N.K. Effect of short-tube orifice size on the performance of an air source heat pump during the reverse-cycle defrost. Int. J. Refrigeration 14 (1991) 52-57
9. Payne, W.V., O'Neal, D.L., 1993. The effects of outdoor fan airflow on the frost/defrost performance of an air source heat pump. In: Heat Pump and Refrigeration Systems Design, Analysis and Applications, AES-vol. 29. ASME Winter Annual Meeting, New Orleans, Louisiana, November, 1993.
10. Payne V., and O'Neal D.L. Defrost cycle performance for an air-source heat pump with a scroll and a reciprocating compressor. Int. J. Refrigeration 18 (1995) 107-112
11. Stoecker W.F. Selecting the size of pipes carrying hot gas to defrost evaporators. Int. J. Refrigeration 7 4 (July 1984) 225-228
12. Yasuda Y., Senshu T., Kuroda S., Atsumi T., and Oguni K. Heat pump performance under frosting conditions: part II - simulation of heat pump cycle characteristics under frosting conditions. ASHRAE Trans. 96 1 (1990) 330-336