Thermal performance analysis of phase change material in ship cabin: An experimental study under mooring and sailing conditions

Hui Hu, Lijie Xu, Wenzhu Huang, Jie Ji, Shangkun Zhong, Jingyong Cai, Leyang Dai and Cheng Chen

Renewable Energy, 2025, vol. 242, issue C

Abstract: Cooling load is an important component of ship energy consumption. The current researches mainly focus on reducing cooling load by active energy-saving technologies. However, the ship constructed from aluminum alloy possesses a lower thermal storage capacity. Thus, the temperature of ship cabin is significantly influenced by changeable solar energy reception angles and dynamic thermal transfer boundary conditions, especially in sailing conditions. At present, there is limited research on reducing cooling load by improving thermal storage capacities of ship hulls under complex sailing conditions. Therefore, thermal performance of ship hull with phase change materials (PCMs) is firstly investigated under both mooring and sailing experiments. It can be observed that ships equipped with PCMs have increased thermal storage capacity, extended temperature comfort zones and decreased air conditioning loads. The main results are: (1) The daily energy storage of one PCM panel is 189.48 kJ (2) PCM panels installed at the bottom of the ship offer longer insulation duration. (3) Compared to mooring conditions, PCM panels have shown superior performance during sailing. The dimensionless temperature rise (DTR), thermal insulation performance (TIP), heat exchange rate (HER) has increased by 36.23 %, 24.29 %, and 71.32 %, respectively.

Keywords: Phase change materials (PCMs); Cabin thermal environment; Energy storage; Mooring and sailing experiment; Heat flux analysis (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:242:y:2025:i:c:s0960148125001223

DOI: 10.1016/j.renene.2025.122460

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