Development of a calorific value controller using bimetal fin channel for PCM heat storage

Title
Development of a calorific value controller using bimetal fin channel for PCM heat storage
Authors
신유환신동호김선욱김산고한서
Keywords
Bimetal fin; Calorific value control; Heat exchanger; Latent thermal energy storage; Phase change material
Issue Date
2018-10
Publisher
Energy conversion and management
Citation
VOL 173-515
Abstract
This paper reports on the development of a new type of heat exchanger with bimetal fins for controlling the calorific value of water through phase change material (PCM) heat storage. It presents detailed numerical and experimental data on the velocity and temperature of water flow in a channel equipped with bimetal fins on the wall. Computational fluid dynamics and particle image velocimetry are used to analyze the flow behavior around the bimetal fins. The bimetal fins increase the insulation performance at the wall, such that the heat loss rate is decreases by a maximum of 56%. Furthermore, the flow rate and calorific value can be controlled at 10  L/min and 50  kJ, respectively. Consequently, the discharging-time during which hot water can be generated increases by a maximum of 70  min.
URI
http://pubs.kist.re.kr/handle/201004/67976
ISSN
0196-8904
Appears in Collections:
KIST Publication > Article
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