期刊
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
卷 76, 期 -, 页码 271-295出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2017.02.008
关键词
Comfort cooling; Cool thermal energy storage; Energy efficiency; Fuzzy logic control; Phase change material; Variable refrigerant volume
资金
- BITS-Pilani [BITS/GAU/RIG/54]
In recent years, the growing needs for fulfilling the comfort cooling requirements with efficient refrigerating and air conditioning systems have gained impetus. In this work, the performance of a combined variable refrigerant volume (VRV) and cool thermal energy storage (CTES) air conditioning (A/C) system was experimentally investigated for summer and winter design conditions. Experimental results suggest that the VRV-CTES A/C system (combined A/C system) precisely maintained the indoor temperature at 24 degrees C for year-round operational conditions. The PCM being applied has exhibited good latent heat capacity (similar to 160.81 kJ kg(-1)) with congruent phase transition characteristics (similar to 9.92 degrees C), even after 1000 repeated thermal cycles. Furthermore, the reduced cooling capacities and reduced combined power consumption were attributed to the improved performance of the combined A/C system. In total, this system would be beneficial in terms of accomplishing comfort cooling needs for conditioning applications without sacrificing energy efficiency. (C) 2017 Elsevier Ltd and IIR. All rights reserved.
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