Le CO2 comme frigorigène regardé de plus près.
A closer look at CO2 as a refrigerant.
Auteurs : MÜLLER N., OOMMEN JOSEPH J.
Résumé
Carbon dioxide (CO2), which is generally associated with green house effect and damage to the environment, can be used in the fight against ozone depletion. CO2 (R744) is a practical replacement to existing fluoro-carbon based refrigerants. Although R744 has a global warming potential (GWP) of 1, it is about 1000-3000 times lower than the GWP of most other commonly used refrigerants. This paper follows a theoretic approach to compare the performance of R744 with other natural refrigerants, employing the first law of thermodynamics, i.e., using COP. It shows the optimized pressure plots of a R744 compressor and sketches the effect of compressor performance on the COP of the refrigeration system.
Détails
- Titre original : A closer look at CO2 as a refrigerant.
- Identifiant de la fiche : 2010-0028
- Langues : Anglais
- Source : 2009 ASHRAE Annual Conference CD. Transactions papers presented at the 2009 ASHRAE Annual Conference: Louisville, KY, June 2009. Volume 115, part 2.
- Date d'édition : 21/06/2009
Liens
- Liens externes :
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Indexation
- Thèmes : CO2
- Mots-clés : Propriété thermodynamique; Performance; Enquête; COP; Frigorigène; CO2
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- Auteurs : EISA M. A. R., ABDEL RAHMAN K., HOLLAND F. A.
- Date : 1991
- Langues : Anglais
- Source : Heat Recov. Syst. CHP - vol. 11 - n. 2-3
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Sviluppo di refrigeranti con basso impatto ambi...
- Auteurs : ACHAICHIA N., MATTEO G.
- Date : 2009
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- Formats : PDF
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Carbon dioxide (CO2) as a primary refrigerant.
- Auteurs : PETTERSEN J.
- Date : 10/11/1999
- Langues : Anglais
- Source : Refrigeration for tomorrow: challenges and solutions. Proceedings of the Centenary conference of the British Institute of Refrigeration.
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Literature survey on thermophysical properties ...
- Auteurs : KRAUSS R., STEPHAN K.
- Date : 02/06/1998
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- Source : Natural Refrigerants, Energy Efficiency, Cost and Safety. Natural Working Fluids '98. IIR-Gustav Lorentzen Conference.
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- Auteurs : SPATZ M., VINK T. G. A.
- Date : 02/09/2009
- Langues : Anglais
- Source : Compressors 2009: 7th International Conference on Compressors and Coolants
- Formats : PDF
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