Temperature response and thermal performance analysis of a super-long flexible thermosyphon for shallow geothermal utilization: Field test and numerical simulation

Hao Liu,Xiaoyuan Wang, Liying Zheng,Huicong Yao,Yuezhao Zhu,Yingfeng Wang

International Journal of Heat and Mass Transfer（2022）

引用 8|浏览2

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摘要

•Super-long flexible thermosyphon (SFTS) fabricated by metal corrugated pipe, 32m in length.•Field tests of SFTS for shallow geothermal utilization.•Start-up and steady-state thermal performance of SFTS.•CFD simulation of long-term underground temperature variation near SFTS.•A method to avoid the heat transfer problem due to super-high liquid column of working fluid in super-long thermosyphon.

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关键词

Super-long flexible thermosyphon,Geothermal utilization,Corrugated pipe,Temperature response,Computational fluid dynamic

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