期刊
APPLIED ENERGY
卷 183, 期 -, 页码 1157-1167出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2016.09.076
关键词
PCM; Heat storage; Domestic hot water; ESP-r; Hybrid heat storage
资金
- Italian Ministry for the Economic Development: Progetto PLACE, Piattaforma intelligente, Integrata e Adattativa di micro Cogenerazione ad elevata Efficienza per usi residenziali - Industria [00024EE01]
Aim of this work is to present the results of the testing of a small scale hybrid sensible/latent storage system (nominal volume 48.6 dm(3)), consisting of water in which macro-encapsulated phase change materials (PCMs) are added. Two different PCMs were macro-encapsulated, a commercial paraffin and a hydrate salts mixture prepared in the CNR ITAE lab, and loaded inside the tank in order to be tested. Different volume ratios between the PCM and the water were tested. The tests were conducted simulating different domestic hot water draw-off profiles. The resulting data showed an appreciable increase of heat storage capacity per unit of volume, even for limited fractions of PCM employed, reaching up to 10% of heat storage increasing by 1.3 dm(3) of hydrate salts mixture added. Finally, the experimental results were used to test a numerical method of a PCM enhanced tank for dynamic plant simulations in ESP-r environment. (C) 2016 Elsevier Ltd. All rights reserved.
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