Résumé
Two-stage vapor compression technology has high potential of performance improvement for cold climate heat pumps, and there are several types of inter-stage configurations that need to be evaluated before making a choice. A general model of these configurations is first derived from a subcooler cycle and then is extended to be capable of evaluating many other inter-stage configurations by employing an “input domain”. The model is solved with a sequential algorithm and an analytical initial solution of the intermediate pressure is presented. After an experimentally validation with additional calculations of the subcooling parameter, the evaporating and condensing pressure, this general model is then used in the performance comparison and analysis of eight different inter-stage configurations. At last, case studies show that, this general model is capable of performing performance comparison among cycles with different types of inter-stage configurations, as well as refrigerant selection and operational analysis.
Documents disponibles
Format PDF
Pages : 88-102
Disponible
Prix public
20 €
Prix membre*
Gratuit
* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)
Détails
- Titre original : A general model for two-stage vapor compression heat pump systems.
- Identifiant de la fiche : 30013503
- Langues : Anglais
- Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 51
- Date d'édition : 03/2015
Liens
Voir d'autres articles du même numéro (17)
Voir la source
Indexation
-
Experimental study on two-stage compression ref...
- Auteurs : XU S., MA G.
- Date : 01/2014
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 62 - n. 2
Voir la fiche
-
Optimización de un sistema de compresión de vap...
- Auteurs : REDÓN A., NAVARRO E., GONZÁLVEZ J., et al.
- Date : 22/02/2012
- Langues : Espagnol
- Source : CYTEF 2012. VI Congreso Ibérico y IV Congreso Iberoamericano de Ciencias y Técnicas del Frío, Madrid, España, 22-24 de febrero, 2012.
- Formats : PDF
Voir la fiche
-
Thermodynamic cycle analysis and experimental i...
- Auteurs : HUANG H., LIANG X., ZHEN B., et al.
- Date : 11/07/2016
- Langues : Anglais
- Source : 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
Voir la fiche
-
Transient modeling of a flash tank vapor inject...
- Auteurs : QIAO H., AUTE V., RADERMACHER R.
- Date : 01/2015
- Langues : Anglais
- Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 49
- Formats : PDF
Voir la fiche
-
Modelling of an air-to-water heat pump, equippe...
- Auteurs : DARDENNE L., FRACCARI E., MAGGIONI A., et al.
- Date : 02/09/2013
- Langues : Anglais
- Source : Compressors 2013: 8th International Conference on Compressors and Coolants.
- Formats : PDF
Voir la fiche