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- Li, Chao, et al. Show all 6 Authors
- Renewable energy 2020 v.145 pp. 1049-1060
- heat exchangers; heat transfer; mathematical models; pipes; renewable energy sources; temperature; water flow
- ... In the present study, based on the currently used deep-buried coaxial double-pipe heat exchange systems for closed loop heat extraction, the influence of several inner pipe types on the heat transfer performance of buried pipe systems is analyzed. The deep-buried coaxial double-pipe with a smooth inner pipe used in current practice was taken as an example, and a full-scale three-dimensional (3D) n ...