OPTIMIZATION OF CONTROL STRATEGY AND LONG-TERM OPERATIONAL PERFORMANCE OF TUBE-ENCAPSULATED MOVABLE PHASE CHANGE WALL IN HOT SUMMER AND COLD WINTER REGIONS

Guo Haoyu; Su Huan; Yin Tianhang; Li Xiaohua; Zhang Zhe; Xu Chunwen

doi:10.19912/j.0254-0096.tynxb.2024-0851

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (9) : 313-322. DOI: 10.19912/j.0254-0096.tynxb.2024-0851

OPTIMIZATION OF CONTROL STRATEGY AND LONG-TERM OPERATIONAL PERFORMANCE OF TUBE-ENCAPSULATED MOVABLE PHASE CHANGE WALL IN HOT SUMMER AND COLD WINTER REGIONS

Guo Haoyu¹, Su Huan^1,2, Yin Tianhang¹, Li Xiaohua^1,2, Zhang Zhe¹, Xu Chunwen³

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Abstract

The effects of 10 different operational strategies on the thermal performance of the wall are explored by combining CFD simulation and experiment, and a long-term operation study is carried out based on the typical meteorological annual parameters in hot summer and cold winter regions. The results show that the optimal control scheme derived in this paper is when the upper and lower control temperature thresholds are 27 ℃ and 25 ℃, respectively; under this control scheme, the cumulative indoor heat gain of the embedded pipe-type movable phase change wall in summer is reduced by 10.6% and 10.8%, respectively, compared with the two types of static phase change walls, which provides good energy-saving benefits compared with the static phase change wall and the ordinary wall.

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phase change material / thermal performance / numerical simulation / movable phase change wall

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Guo Haoyu, Su Huan, Yin Tianhang, Li Xiaohua, Zhang Zhe, Xu Chunwen. OPTIMIZATION OF CONTROL STRATEGY AND LONG-TERM OPERATIONAL PERFORMANCE OF TUBE-ENCAPSULATED MOVABLE PHASE CHANGE WALL IN HOT SUMMER AND COLD WINTER REGIONS[J]. Acta Energiae Solaris Sinica. 2025, 46(9): 313-322 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0851

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