Share
IIR document
Optimal heat rejection pressure in transcritical carbon dioxide air conditioning and heat pump systems.
Author(s) : LIAO S., JAKOBSEN A.
Summary
In systems such as automobile air-conditioners and heat pumps, owing to the relatively high heat rejection temperatures, the cycles using carbon dioxide as refrigerant will have to operate in the transcritical area. Then, there is an optimal heat rejection pressure that gives a maximum COP. The value of this optimal heat rejection pressure mainly depends on the outlet temperature of the gas cooler, the evaporation temperature and the efficiency of the compressor. Correlations are given, providing basis for designing transcritical carbon dioxyde systems.
Available documents
Format PDF
Pages: p 346-356
Available
Public price
20 €
Member price*
Free
* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).
Details
- Original title: Optimal heat rejection pressure in transcritical carbon dioxide air conditioning and heat pump systems.
- Record ID : 1999-2826
- Languages: English
- Source: Natural Refrigerants, Energy Efficiency, Cost and Safety. Natural Working Fluids '98. IIR-Gustav Lorentzen Conference.
- Publication date: 1998/06/02
Links
See other articles from the proceedings (65)
See the conference proceedings
Indexing
-
Themes:
Heat pumps techniques;
CO2 - Keywords: Refrigerating system; Heat pump; Optimization; Pressure; Cycle; Refrigerant; Condensation; CO2
-
Highly efficient water heating system.
- Author(s) : PEARSON S. F.
- Date : 2006/05/29
- Languages : English
- Source: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2006). Proceedings
- Formats : PDF
View record
-
Heat transfer characteristics of CO2 in spirall...
- Author(s) : KOYAMA S., KUWAHARA K.
- Date : 2009/05/20
- Languages : English
- Source: ACRA-2009. The proceedings of the 4th Asian conference on refrigeration and air conditioning: May 20-22, 2009, Taipei, R.O.C.
- Formats : PDF
View record
-
Modelling and performance simulation of gas coo...
- Author(s) : CHANG Y. S., KIM M. S.
- Date : 2006/07/17
- Languages : English
- Source: 2006 Purdue Conferences. 18th International Compressor Engineering Conference at Purdue & 11th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
- Formats : PDF
View record
-
Performance optimization of a transcritical CO2...
- Author(s) : RULLIERE R., COLASSON S., HABERSCHILL P.
- Date : 2009/06/23
- Languages : English
- Source: 3rd Conference on Thermophysical Properties and Transfer Processes of Refrigerants
- Formats : PDF
View record
-
System design of a CO2 heat pump water heater.
- Author(s) : WU Z., XU M., WANG Y., et al.
- Date : 2007/08/21
- Languages : English
- Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
- Formats : PDF
View record