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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 楊國鑫 | zh_TW |
| dc.contributor.advisor | Kuo-Hsin Yang | en |
| dc.contributor.author | 黃津津 | zh_TW |
| dc.contributor.author | Chin-Chin Huang | en |
| dc.date.accessioned | 2025-08-05T16:19:44Z | - |
| dc.date.available | 2025-08-06 | - |
| dc.date.copyright | 2025-08-05 | - |
| dc.date.issued | 2025 | - |
| dc.date.submitted | 2025-07-30 | - |
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A., Asadi, I., & Hassan, Z. F. B. A. (2020). Investigation of thermal properties of normal weight concrete for different strength classes. Journal of Environmental Treatment Techniques, 8(3), 908–914. [42] U.S. Department of Energy. (2019). GeoVision： Harnessing the heat beneath our feet(DOE/EE－1306). U.S. Department of Energy. [43] Yang, P., Xu, R., Wang, F., and Li, X. J. (2021). Numerical simulation and experimental validation on the heat transfer characteristics of horizontal spiral coil ground heat exchanger. Journal of Engineering Thermophysics, 42(8), 2122－2131. [44] Yoon, S., Lee, S. R., and Go, G. H. (2015). Evaluation of thermal efficiency in different types of horizontal ground heat exchangers. Energy and Buildings, 105, 100－105. [45] Zhang, G., Cao, Z., Zhao, X., Xie, Y., Liu, X., and Cao, S. (2021). Investigation of the thermal performance of energy tunnel equipped with the insulation layer considering ventilation and groundwater seepage. Geofluids, 2021(1), 6021585. 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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/98426 | - |
| dc.description.abstract | 台灣夏季氣候炎熱，導致冷氣使用頻繁，造成用電量上升與供電壓力增加。此外，冷氣運轉所產生的廢熱排放至周遭環境，進一步加劇以台北市為代表的都市熱島效應。能源基礎 (Energy Foundation) 作為一種兼具結構支撐與熱交換功能之新興綠能技術，提供有效解決方法。其原理係於基礎構造內部埋設地熱交換管，藉由地源熱泵系統 (Ground Source Heat Pump, GSHP) 驅動流體在管中循環，將冷房系統產生之廢熱傳導至地層中與低溫土壤進行熱交換，進而達到節能降耗並緩解熱島效應。
本研究以 COMSOL Multiphysics 建立熱–水力耦合數值模型，模擬分析台北地區一處實際能源筏式基礎案例。該案例採用HDPE 地熱交換管共40迴圈，總長達6720 m，埋設於筏基板中，並結合現地溫度監測資料進行模型驗證。研究進一步探討地下水條件（地下水位與流速）對出口流體溫度、土壤熱擴散效能與系統性能係數 (COP) 之影響。 此外，為驗證垂直式地源熱泵系統之可模擬性與模型可靠性，本研究以臺大農場實地設置之垂直熱交換井進行熱響應試驗 (Thermal Response Test, TRT)，作為垂直系統數值模型之驗證依據。並採用與筏式基礎案例相同之土壤參數與初始地溫條件，進一步模擬不同鑽孔數量配置之垂直地埋熱交換器 (Borehole Heat Exchangers, BHE)，並與水平筏式系統進行效能比較，探討兩種配置在不同地下水條件下之熱傳行為與COP表現，提供地熱系統實務應用與設計策略之參考。 | zh_TW |
| dc.description.abstract | Taiwan’s hot summers lead to heavy air－conditioning use, increasing electricity demand and intensifying the urban heat island effect–especially in Taipei. Energy foundations, which combine structural support with geothermal heat exchange, present a sustainable cooling strategy. This study employs COMSOL Multiphysics to build a coupled thermo－hydraulic model simulating an energy raft foundation in Taipei, featuring 40 loops of HDPE geothermal pipes (6720 m total length). Field data were used to validate the model, and parametric studies examined the effects of groundwater level and flow on outlet temperature and COP.
To verify vertical ground heat exchanger (BHE), modeling, a Thermal Response Test (TRT) was conducted at the NTU experimental farm. Using soil properties identical to those of the Taipei raft foundation site, simulations of various borehole configurations were performed and compared to the horizontal system. Results offer practical insights into optimizing geothermal system design under urban soil and groundwater conditions. environments. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2025-08-05T16:19:44Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2025-08-05T16:19:44Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 致謝 i
摘要 iii Abstract iv 目次 v 圖次 ix 表次 xi 第1章 緒論 1 1.1 研究背景與目的 1 1.2 研究方法 4 1.3 研究內容 4 第2章 文獻回顧 7 2.1 地熱能與地源熱泵概述 7 2.1.1 地熱能應用分類 7 2.1.2 地源熱泵系統類型與運作機制 9 2.1.3 垂直與水平型系統比較 12 2.2 能源地工構造介紹 14 2.2.1 能源地工構造概念與類型 14 2.2.2 能源地工與第五代DHC整合潛力 15 2.3 地下水流對熱傳效能的影響 17 2.3.1 地下水流速、流向與熱場分布關係 17 2.4 影響地源熱泵設計因素 20 2.5 熱傳參數與TRT技術 21 第3章 分析案例介紹 25 3.1 台北能源筏式基礎案例 25 3.1.1 案例位置與地熱管配置 25 3.1.2 施工過程 26 3.1.3 地質與水文條件 28 3.1.4 土壤溫度變化 30 3.2 臺大農場TRT 案例 31 3.2.1 案例位置和地熱管配置 31 3.2.2 施工過程 33 3.2.3 現地土壤 35 3.2.4 現地試驗結果與熱傳參數推估 36 第4章 數值模型建立與驗證 40 4.1 數值分析方法 40 4.2 耦合熱傳控制方程式 41 4.3 台北能源筏式基礎模型介紹 42 4.3.1 模型尺寸及網格配置 42 4.3.2 邊界條件 45 4.3.3 模型材料參數 46 4.4 臺大農場TRT模型介紹 47 4.4.1 模型尺寸及網格配置 47 4.4.2 邊界條件 48 4.4.3 模型材料參數 49 4.5 模型驗證 52 4.5.1 台北能源筏式基礎模型驗證 52 4.5.2 臺大農場TRT模型驗證 54 第5章 台北筏式基礎模型結果 57 5.1 熱交換影響分析 57 5.1.1 地熱交換管溫度分布變化 57 5.1.2 土壤溫度變化 60 5.2 地下水對熱傳效能影響 63 5.2.1 地下水位影響 63 5.2.2 地下水流速影響 67 第6章 地埋熱交換器分析與結果 73 6.1 模型設置與條件設定 73 6.2 模擬結果分析 76 6.2.1 地熱交換管溫度分布變化 76 6.2.2 不同鑽孔數下的土壤溫度變化 80 6.2.3 地埋熱交換器出口流體溫度與筏式基礎系統之比較 84 6.2.4 鑽孔數與地下水對總熱交換量之影響 86 第7章 綜合比較與效能評估 89 7.1 評估指標說明 89 7.2 水平式地埋熱交換器之效能分析 91 7.2.1 地下水位對熱交換性能之影響 91 7.2.2 地下水流速對熱交換性能之影響 94 7.3 垂直式地埋熱交換器之效能分析 96 7.3.1 鑽孔數對熱傳速率之影響 96 7.3.2 鑽孔數對COP之影響 98 7.4 水平式與垂直式系統之效能整合比較 99 第8章 結論與建議 102 8.1 結論 102 8.2 建議 104 參考文獻 105 | - |
| dc.language.iso | zh_TW | - |
| dc.subject | 熱響應試驗 | zh_TW |
| dc.subject | 地下水條件 | zh_TW |
| dc.subject | 性能係數 | zh_TW |
| dc.subject | 熱–水力耦合分析 | zh_TW |
| dc.subject | COMSOL 數值模擬 | zh_TW |
| dc.subject | 能源筏式基礎 | zh_TW |
| dc.subject | 垂直地熱交換井 | zh_TW |
| dc.subject | Groundwater Conditions | en |
| dc.subject | Energy Raft Foundation | en |
| dc.subject | Vertical Borehole Heat Exchanger (BHE) | en |
| dc.subject | Thermo－Hydraulic Coupling Analysis | en |
| dc.subject | COMSOL Numerical Simulation | en |
| dc.subject | Coefficient of Performance (COP) | en |
| dc.subject | Thermal Response Test (TRT) | en |
| dc.title | 地埋熱交換器與能源筏式基礎的熱–水行為之分析 | zh_TW |
| dc.title | Thermo–hydraulic Responses of Borehole Heat Exchanger and Energy Raft Foundation | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 113-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 黃郁惟;蔡瑞彬;汪柏岑;林穎凡 | zh_TW |
| dc.contributor.oralexamcommittee | Yu-Wei Huang;Jui-Pin Tsai;Po-Tsen Wang;Ying-Fan Lin | en |
| dc.subject.keyword | 能源筏式基礎,熱響應試驗,COMSOL 數值模擬,熱–水力耦合分析,垂直地熱交換井,地下水條件,性能係數, | zh_TW |
| dc.subject.keyword | Energy Raft Foundation,Thermal Response Test (TRT),COMSOL Numerical Simulation,Thermo－Hydraulic Coupling Analysis,Vertical Borehole Heat Exchanger (BHE),Groundwater Conditions,Coefficient of Performance (COP), | en |
| dc.relation.page | 112 | - |
| dc.identifier.doi | 10.6342/NTU202502882 | - |
| dc.rights.note | 同意授權(全球公開) | - |
| dc.date.accepted | 2025-08-01 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 土木工程學系 | - |
| dc.date.embargo-lift | 2030-07-30 | - |
| 顯示於系所單位： | 土木工程學系 | |
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