
Étude expérimentale d'un système frigorifique à compression biétagée / à pompe à chaleur avec un compresseur à piston roulant à double cylindre.
Experimental study on two-stage compression refrigeration/heat pump system with dual-cylinder rolling piston compressor.
Résumé
A thermodynamically analytical model on the two-stage compression refrigeration/heat pump system with vapor injection was derived. The optimal volume ratio of the high-pressure cylinder to the low-pressure one has been discussed under both cooling and heating conditions. Based on the above research, the prototype was developed and its experimental setup established. A comprehensive experiments for the prototype have been conducted, and the results show that, compared with the single-stage compression heat pump system, the cooling capacity and cooling COP can increase 5%–15% and 10–12%, respectively. Also, the heating capacity with the evaporating temperature ranging from 0.3 to 3°C is 92–95% of that under the rate condition with the evaporating temperature of 7°C, and 58% when the evaporation temperature is between -28°C and -24°C.
Détails
- Titre original : Experimental study on two-stage compression refrigeration/heat pump system with dual-cylinder rolling piston compressor.
- Identifiant de la fiche : 30010285
- Langues : Anglais
- Source : Applied Thermal Engineering - vol. 62 - n. 2
- Date d'édition : 01/2014
- DOI : http://dx.doi.org/10.1016/j.applthermaleng.2013.09.035
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