Drop-in replacement of R22 in heat pumps used for district heating - Influence of equipment and property limitations

International Journal of Refrigeration

Volumn 24, Issue 7, 2001, Pages 660-675

  Gabrielii, Cecilia ^a   Vamling, Lennart ^a  

^a CHALMERS UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

District heating; Drop in; Heat pump; R22; Refrigerant; Replacement

Indexed keywords

COMPRESSORS; COMPUTER SIMULATION; DISTRICT HEATING; EVAPORATORS; OPTIMIZATION; REFRIGERANTS; SPECIFIC HEAT;

TURBO-COMPRESSORS;

HEAT PUMP SYSTEMS;

EID: 0035390795     PISSN: 01407007     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0140-7007(00)00083-9     Document Type: Article

References (24)

1. Alternative working fluids based on HFC-236fa for high-temperature heat pumps
2. Screening of single component fluids for compression heat pump applications
3. Performance of some mixtures as working fluids for high temperature heat pump applications
4. Thermodynamic screening of some HFCs and HFEs as high temperature heat pumps alternatives to CFC 114
5. Alternative heat-pump working fluids to CFCs
6. CFC alternatives for high-temperature heat pump applications
7. Fluids for high-temperature heat pumps
8. New compression heat pump media for medium and high temperature application
9. Selection of ozone-safe, non-azeotropic refrigerant mixtures for capacity modulation in residential heat pumps
10. On the design of environmentally benign refrigerant mixtures: A mathematical programming approach
11. Screening analysis for chlorine-free alternative refrigerants to replace R-22 in air-conditioning applications
12. Quest for alternatives, a molecular approach demonstrates tradeoffs and limitations are inevitable in seeking refrigerants
13. Design of a plate-type evaporator for heat pumps
14. Development of a calculation method for plate-type evaporators with vertical channels
15. Luftkjolere med sjelvsirkulasjon av kuldemediet
16. Replacement of R22 in tube-and-shell condensers: Experiments and simulations
17. Influence of the new refrigerant thermodynamic properties on some refrigerating turbo compressor characteristics
18. Flammability and reactivity of select HFCs and mixtures
19. Replacement of R22 in heat pumps used for district heating
20. Comparison of heat transfer for R22 and some alternatives in a 25 MW shell-and-tube condenser
21. Heat transfer of R-22 and alternatives in a plate-type evaporator