Meso-scale investigation of the effects of groundwater seepage on the thermal performance of borehole heat exchangers
文献类型：期刊论文
| 作者 | Huang, Xian-Wen2,3; Wang, Ze Zhou3,5; Jiang, Peng-Ming2; Li, Kai-Qi4; Tang, Chu-Xuan1 |
| 刊名 | APPLIED THERMAL ENGINEERING
 |
| 出版日期 | 2024-01-10 |
| 卷号 | 236页码:14 |
| 关键词 | Thermal release coefficient Groundwater seepage Meso-scale model Finite-element method Monte-Carlo simulation Parametric analysis |
| ISSN号 | 1359-4311 |
| DOI | 10.1016/j.applthermaleng.2023.121809 |
| 英文摘要 | In view of the Net Zero Initiative, geothermal energy has been widely used. The borehole heat exchanger is a device that extracts geothermal heat from a borehole. Understanding the thermal performance of it is crucial for the analysis and design of a ground source heat pump system. In this paper, a novel methodology is proposed to evaluate the thermal performance of borehole heat exchangers based on a meso-scale model. With the images showing the meso-structure of the geomaterial, a method to quantify grain ellipticity, grain roughness, porosity and grading is proposed, with which the meso-structure of the geomaterial is reconstructed in a finite-element model. The Monte-Carlo simulation is then used in conjunction with the finite-element method to calculate the thermal release coefficient of borehole heat exchangers probabilistically. After validating the proposed methodology using experimental results, the effects of a list of factors on the thermal performance of borehole heat exchangers are investigated. The results show that grain ellipticity and roughness significantly affect the performance of borehole heat exchangers. The present study contributes to the field by quantifying the interactive effects of groundwater seepage and the physical characteristics of geomaterials and providing recommendations on the design of borehole heat exchangers. |
| 资助项目 | China Scholarship Council[202108340062] ; National Natural Science Foundation of China |
| WOS研究方向 | Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:001105176000001 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/39936]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Wang, Ze Zhou |
| 作者单位 | 1.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geotech Engn, Wuhan 430071, Hubei, Peoples R China 2.Suzhou Univ Sci & Technol, Sch Civil Engn, 1701 Riverside Rd, Suzhou 215009, Peoples R China 3.Natl Univ Singapore, Dept Civil & Environm Engn, 1 Engn Dr 2, Singapore 117576, Singapore 4.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China 5.Natl Univ Singapore, Dept Civil & Environm Engn, Block E1A,1 Engn Dr 2, Singapore 117576, Singapore |
| 推荐引用方式 GB/T 7714 | Huang, Xian-Wen,Wang, Ze Zhou,Jiang, Peng-Ming,et al. Meso-scale investigation of the effects of groundwater seepage on the thermal performance of borehole heat exchangers[J]. APPLIED THERMAL ENGINEERING,2024,236:14. |
| APA | Huang, Xian-Wen,Wang, Ze Zhou,Jiang, Peng-Ming,Li, Kai-Qi,&Tang, Chu-Xuan.(2024).Meso-scale investigation of the effects of groundwater seepage on the thermal performance of borehole heat exchangers.APPLIED THERMAL ENGINEERING,236,14. |
| MLA | Huang, Xian-Wen,et al."Meso-scale investigation of the effects of groundwater seepage on the thermal performance of borehole heat exchangers".APPLIED THERMAL ENGINEERING 236(2024):14. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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