Numerical study on the influencing factors on the heat transfer of the U-tube - 文章详情页

作者：

Wu, Yu-Ting (Wu, Yu-Ting.) (学者：吴玉庭) | Gu, Zhong-Xuan (Gu, Zhong-Xuan.) | Ma, Chong-Fang (Ma, Chong-Fang.) | Tang, Zhi-Wei (Tang, Zhi-Wei.)

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摘要：

The　ground　heat　exchanger　is　an　important　component　of　the　ground　coupled　heat　pump　(GCHP)　and　the　U-tube　is　most　commonly　used　ground　heat　exchanger.　The　heat　transfer　between　the　U-tube　and　the　soil　is　affected　by　many　factors.　To　analyze　the　influence　of　these　factors　on　the　heat　transfer　of　the　U-tube,　this　paper　built　a　full　scale　3D　numerical　model　of　a　U-tube　ground　heat　exchanger　of　a　ground　coupled　heat　pump　(GCHP).　Then　numerical　studies　on　the　influence　of　various　factors　such　as　U-tube　depth,　inlet　temperature,　fluid　velocity　on　the　heat　transfer　of　the　U-tube　were　carried　out　using　CFD　software　FLUENT.　The　computed　influence　on　the　heat　transfer　can　provide　some　insight　to　the　optimization　design.

关键词：

Computational fluid dynamics Computer simulation Heat exchangers Heat pump systems Heat transfer Mathematical models Optimization

作者机构：

[ 1 ] [Wu, Yu-Ting]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Gu, Zhong-Xuan]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China
[ 3 ] [Ma, Chong-Fang]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Tang, Zhi-Wei]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, China

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