Document IIF
Étude expérimentale d'un nouveau sèche-linge à pompe à chaleur.
Experimental study of a new heat-pump clothes dryer.
Numéro : pap. n. TP-058
Auteurs : YUAN D. A., OUYANG X.
Résumé
The application of heat pump systems in a clothes dryer was studied. First, the refrigeration capacity of the heat pump evaporator system is used to cool air and dehumidify it, and then the low moisture content air passes through the condenser and is heated to a high temperature and low relative humidity level. At last, the air enters the drum to dry the clothes. The heat pump clothes dryer takes full use of the heat and the refrigerating output, reducing the energy consumption with a high drying effect. The theoretical analysis of the heat pump clothes dryer was conducted in this paper and the test rig was also set up for the experiment. The main parts of the test rig include a drying drum, a fan, an evaporator, a condenser and a compressor. The power consumption of the clothes dryer, the refrigerant temperature and pressure, the air temperature and relative humidity and other parameters were tested in the experimental process. The direct-exhaust model and semi-enclosed model of the heat pump clothes dryer were tested in the experiment. Based on the analysis and comparison of data from the experiment, it could be concluded that the Specific dehumidification Energy Consumption (SEC) of the heat pump clothes dryer is 1.22 kWh/kg on the condition that the ambient temperature is 20°C, the relative humidity 60% and the fresh air ratio 49%. Compared with the 1.847 kWh/kg of electrical heating type clothes dryer, the energy saving is about 35%. Analysis of the varying pattern of the drying effect in different stages of the whole drying process showed that improving the SEC of the drying in initial and later stage is an effective way to reduce the energy consumption of the clothes dryer. In addition, changing the performance and drying effect of the heat-pump system by varying the air-volume flow, was analyzed.
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Détails
- Titre original : Experimental study of a new heat-pump clothes dryer.
- Identifiant de la fiche : 30008283
- Langues : Anglais
- Source : 4th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
- Date d'édition : 17/06/2013
Liens
- Voir les traductions : Estudio experimental de una nueva secadora de ropa con bomba de calor.
Voir d'autres communications du même compte rendu (69)
Voir le compte rendu de la conférence
Indexation
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