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Дисертації з теми "Very shallow geothermal energy"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Ninikas, Konstantinos. "Opportunities for renewable heat energy from shallow geothermal sources." Thesis, Glasgow Caledonian University, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.726798.

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2

Bowers, Jr George Allen. "Ground-Source Bridge Deck Deicing and Integrated Shallow Geothermal Energy Harvesting Systems." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/78777.

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Shallow geothermal energy (SGE) systems are becoming increasingly popular due to both their environmental and economic value. By using the ground as a source and sink for thermal energy, SGE systems are able to more efficiently heat and cool structures. However, their utility beyond structural heating and cooling is being realized as their applications now extend to slab and pavement heating, grain and agricultural drying, and swimming pool temperature control. Relatively recently, SGE systems have been combined with deep foundations to create a dual purpose element that can provide both struc

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3

Caulk, Robert Alexander. "Evaluation of Key Geomechanical Aspects of Shallow and Deep Geothermal Energy." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/396.

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Geothermal energy has become a focal point of the renewable energy revolution. Both shallow and deep types of geothermal energy have the potential to offset carbon emissions, reduce energy costs, and stimulate the economy. Before widespread geothermal exploration and exploitation can occur, both shallow and deep technologies require improvement by theoretical and experimental investigations. This thesis investigated one aspect of both shallow and deep geothermal energy technologies. First, a group of shallow geothermal energy piles was modeled numerically. The model was constructed, calibrated

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4

Hähnlein, Stefanie [Verfasser], and Peter [Akademischer Betreuer] Grathwohl. "Shallow geothermal energy - sustainability and legal situation / Stefanie Hähnlein ; Betreuer: Peter Grathwohl." Tübingen : Universitätsbibliothek Tübingen, 2014. http://d-nb.info/1162897236/34.

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5

Hähnlein, Stefanie Verfasser], and Peter [Akademischer Betreuer] [Grathwohl. "Shallow geothermal energy - sustainability and legal situation / Stefanie Hähnlein ; Betreuer: Peter Grathwohl." Tübingen : Universitätsbibliothek Tübingen, 2014. http://d-nb.info/1162897236/34.

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6

Hein, Philipp Sebastian. "On the efficient and sustainable utilisation of shallow geothermal energy by using borehole heat exchangers." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-232226.

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In the context of energy transition, geothermics play an important role for the heating and cooling supply of both residential and commercial buildings. Thereby, the increasingly and intensive utilisation of shallow geothermal resources bears the risk of over-exploitation and thus poses a future challenge to ensure the sustainability and safety of such systems. Particularly, the well-established technology of borehole heat exchanger-coupled ground source heat pumps is applied for the thermal exploitation of the shallow subsurface. Due to the complexity of the involved physical processes, numer

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7

BARALIS, MATTEO. "Optimisation of geothermal resources in urban areas." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2842491.

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8

Strandberg, Christoffer. "Geoenergilösning för DN-huset." Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-227599.

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In this thesis proposals for different designs of a borehole thermal energy storage (BTES) have been developed for the building DN-huset in Stockholm, Sweden. To build a BTES results in savings in energy costs by approximately 44 %, i.e. 2 million Swedish crowns annually. Furthermore, a BTES would reduce the annual environmental impact with roughly 75-157 tonnes of CO2 equivalents per year, depending on how the electricity consumption’s environmental impact is estimated. The payback period is about 11 years, including the warm-up period that is necessary before commissioning the BTES. The savi

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9

Freundt, Florian [Verfasser], and Werner [Akademischer Betreuer] Aeschbach. "Application of Helium Isotopes in Shallow Groundwaters for Geothermal Energy Exploration in the Upper Rhine Graben / Florian Freundt ; Betreuer: Werner Aeschbach." Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://d-nb.info/1178009033/34.

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10

Hein, Philipp Sebastian [Verfasser], Olaf [Akademischer Betreuer] Kolditz, Haibing [Akademischer Betreuer] Shao, et al. "On the efficient and sustainable utilisation of shallow geothermal energy by using borehole heat exchangers / Philipp Sebastian Hein ; Gutachter: Olaf Kolditz, Peter Bayer, Stephan Schönfelder ; Olaf Kolditz, Haibing Shao, Anke Bucher." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://d-nb.info/1151047023/34.

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11

Hein, Philipp Sebastian [Verfasser], Olaf [Akademischer Betreuer] Kolditz, Haibing Akademischer Betreuer] Shao, et al. "On the efficient and sustainable utilisation of shallow geothermal energy by using borehole heat exchangers / Philipp Sebastian Hein ; Gutachter: Olaf Kolditz, Peter Bayer, Stephan Schönfelder ; Olaf Kolditz, Haibing Shao, Anke Bucher." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://d-nb.info/1151047023/34.

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12

Jakubovič, Artiom. "Gyvenamųjų namų šildymo geotermine energija problemos." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090617_183259-02356.

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Pagrindinės šiame darbe sprendžiamos problemos yra susijusios su efektyviu ilgalaikiu šilumos siurblių eksploatavimu. Šilumos siurblio sistemos kintamuoju priimamas gruntinis šilumokaitis. Tai reiškia, kad šilumos siurblio efektyvumas priklausys nuo šilumnešio temperatūros gruntiniame šilumokaityje. Pirmoje darbo dalyje pateikiama informacija apie geoterminę energiją bei jos naudojimo būdus. Apibrėžiama seklioji geoterminė energija. Pateikiamos šilumos siurblių šilumokaičių schemos. Praktinėje darbo dalyje pateikiama gruntinių šilumokaičių modeliavimo metodų analizė bei pasirenkamas metodas to

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13

Eslami, Hossein. "Comportement thermo-hydromécanique des sols au voisinage des géo-structures énergétiques." Thesis, Université de Lorraine, 2014. http://www.theses.fr/2014LORR0263/document.

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Les géostructures énergétiques consistent à établir un échange thermique direct avec le sol grâce à des systèmes intégrés dans les fondations ou les structures géotechniques. L’incorporation des échangeurs de chaleur aux géostructures provoque une variation cyclique de la température du sol adjacent. Des questions se posent sur l'impact de ces variations thermiques sur les paramètres géotechniques des sols en général, et en particulier des sols sensibles argileux. L’objectif de cette thèse est d’améliorer la compréhension et la quantification de l’impact de la variation de la température sur l

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14

Badenes, Badenes Borja. "Optimización teórico-experimental de sondas de calor para intercambio geotérmico (SGE) según condiciones hidrogeológicas, características geométricas y propiedades de sus materiales." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/160477.

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[ES] Uno de los mayores retos para el mercado de bombas de calor geotérmicas es el alto coste asociado a la perforación de los intercambiadores de calor geotérmicos. Conseguir unos intercambiadores de calor geotérmicos más eficientes reduciría dicho coste, ya que sería necesaria una menor longitud de intercambiador para obtener las mismas temperaturas de trabajo en él (misma eficiencia de la bomba de calor). La eficiencia térmica de un intercambiador de calor geotérmico está caracterizada por su resistencia térmica. Dicha resistencia térmica depende de una serie de elementos entre los que s

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15

Tang, Fu-Jiao. "Investigation numérique sur l'échangeur de chaleur installé dans des sols peu profonds." Thesis, Strasbourg, 2019. https://publication-theses.unistra.fr/public/theses_doctorat/2019/TANG_Fujiao_2019_ED269.pdf.

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La géothermie peu profonde est une énergie qui peut aider l'humanité à atteindre les objectifs du développement durable. Le système de pompe à chaleur géothermique est utilisé pour bénéficier de cette énergie. En tant qu'élément principal du système, la performance de l'échangeur de chaleur souterrain influence directement son efficacité énergétique. Les échangeurs de chaleur souterrains peu profonds sont normalement installés dans les sols, qui présentent une grande hétérogénéité des propriétés hydrothermales. L'objectif principal de ce projet est d'identifier le comportement des échangeurs d

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16

Fang, Shih-Da, and 方士達. "Investigation of Raft Foundation Water Shallow Geothermal Energy." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/5qbtt2.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>Most traditional air-conditioning systems use cooling towers to dissipate heat from cooling water to ambient air, which not only consumes lots of energy but also increases urban heat island effect. This thesis aims to investigate the application of raft foundation water shallow geothermal energy. By theoretically establishing a mathematical model and comparing it with experimental results, the possibility of replacing cooling towers with raft foundation system was evaluated. First, a model for predicting the temperature variation of raft foundation water was

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17

Lin, Ting-Yi, and 林庭毅. "Shallow Geothermal Energy Applied to Air Conditioning System Cooling." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/vr4376.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>Traditional air-conditioning cooling systems usually use cooling tower to dissipate condense heat into outdoor air. However, the outdoor temperature and humidity, which vary over time, limit the cooling performance of cooling tower. Furthermore, the use of cooling tower has many disadvantages such as noise, vibration, and also providing a proper environment for bacteria breeding. Therefore, the aim of this thesis is to replace cooling tower system with a new cooling system—the shallow geothermal cooling system. This new cooling system dissipates condense heat

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18

Weng, Sheng-Yang, and 翁聖揚. "The simulation and analysis of energy saving EAHE system using shallow geothermal energy." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/c44e2g.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>107<br>The earth air heat exchanger (EAHE) is a low-energy ventilation technique using the stable temperature of earth. In the past decade, many experimental studies deal with the performance evaluation of EAHE system worldwide; however, in Taiwan these kinds of researches are still uncommon. This research focus on the performance of soil-based EAHE and water-based EAHE using numerical methods. Soil-based EAHE includes 4 PVC air pipes each with 52.95m in length, 0.15m in diameter and buried 4.7m beneath ground surface. Its arranged ventilation is 3150 CMH, working 9

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19

Hsu, Chien-Yeh, and 徐千曄. "The Performance Analysis of Earth-Air Heat Exchangers Using Shallow Geothermal Energy." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/44488296539795587787.

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博士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>The earth air heat exchanger (EAHE) is a low-energy ventilation technique using the stable temperature of the earth. In the past decade, many experimental studies deal with the performance evaluation of EAHE system worldwide; however, in Taiwan these kinds of in-situ applications are still not available. This thesis presents a systemic approach to the analysis of two EAHE systems with different heat transfer media: water and soil. The soil-based systems were studied by means of long-term monitoring in Nantou, Taiwan, and analytical simulation. The experimenta

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20

Chang, Jui-Ho, and 張瑞和. "Adjusting indoor ambient temperature by shallow geothermal energy of building raft foundation." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9qte6n.

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碩士<br>國立高雄師範大學<br>工業科技教育學系<br>107<br>In response to the continued warming of the global climate, Taiwan should be for highly dependent on energy imports.It is an urgent and imperative task for us to implement the policy of green building which is friendly to the earth and protects the environment in high-energy-consuming metropolitan buildings.The underground middle layer basically has the characteristics of constant temperature. Shallow geothermal energy or Earth-Air Heat Exchanger Systems can be used to import into buildings to improve the hot summer and cold winter, but also reduce the car

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21

Chang, Chia-Hao, and 張家豪. "Measurement and Analysis of Adsorption Chillers System combined with Solar Thermal Energy and Shallow Geothermal Energy." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9z8t8z.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>107<br>When the world began to promote energy conservation issues, the energy-saving benefits of air-conditioning systems are valued by many countries. The proportion of power consumption for energy dissipation is huge. Taiwan is hot in summer. The demand for air conditioning is great, which not only cost a lot, but also cause greatly environmental burden with carbon emissions. If it can directly use solar energy as a source of heat for air conditioners and use shallow geothermal energy to cooling, this way will greatly reduce power consumption and make air conditio

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22

Chen, Yung-Nan, and 陳勇男. "A Study of Household or Commercial Heat Pump System with Shallow Geothermal Energy." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/42251856223799183602.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>A Study of Household or Commercial Heat Pump System with Shallow Geothermal Energy By Yung-Nan Chen Master Degree of Engineering, Department of Mechanical Engineering National Taiwan University July 2016 Adviser：Sih-Li Chen, Ph.D. The purpose of this study is to test a geothermal heat pump system with two apply ways, which includes raft foundation water energy and groundwater energy. For shallow geothermal energy which temperature is lower than outdoor air in summer and higher in the winter. With this property, we want to replace the traditional heating and

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23

Chang, Hao-Wei, and 張皓崴. "The Thermal Analysis and Optimization of Nutrient Film Technique with Shallow Geothermal Energy." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/njesyn.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>105<br>Temperature of Nutrient Film Technique(NFT) is one of the types of Hydroponics. As compared to other Hydroponics, it can be controlled by temperature. The purpose of this study is to derive the mathematical model by heat transfer analysis, and the model can be used to predict the changes of the temperature with different operating and environmental conditions. This study used MATLAB to simulate the changes of the temperature of NFT during the summer time based on Steady State, Incompressible Flow, Navier-Stokes equations, and Thermal Resistance Analysis. Acco

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24

Lin, Chia-Yu, and 林家瑜. "Numerical Simulation of Shallow Geothermal Energy with fractal U-type ground coil heat exchangers." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/94p7u9.

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碩士<br>淡江大學<br>航空太空工程學系碩士班<br>106<br>In the generation of ever-changing technology, the use of energy is increasing. Green buildings, smart grids, etc. are all required to use electricity. This study will focus on the analysis of the thermal performance of drilling U-tube soil heat exchangers and try to change the shapes and material of the pipes, then find out ways to increase the efficiency of the soil heat exchanger. The project will use the commercial software ANSYS Fluent to create geometric shapes and meshes, and use the Fluent solver to perform simulation calculations. Finally, the resul

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25

Hein, Philipp Sebastian. "On the efficient and sustainable utilisation of shallow geothermal energy by using borehole heat exchangers." Doctoral thesis, 2016. https://tud.qucosa.de/id/qucosa%3A30732.

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In the context of energy transition, geothermics play an important role for the heating and cooling supply of both residential and commercial buildings. Thereby, the increasingly and intensive utilisation of shallow geothermal resources bears the risk of over-exploitation and thus poses a future challenge to ensure the sustainability and safety of such systems. Particularly, the well-established technology of borehole heat exchanger-coupled ground source heat pumps is applied for the thermal exploitation of the shallow subsurface. Due to the complexity of the involved physical processes, numer

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26

Hu, Jiun-Wei, and 胡鈞維. "Application of Hybrid Solar-wind Power Systems and Shallow Geothermal Systems to Net-zero Energy Plant Factory." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/26687679485352107010.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>103<br>Plant factory refers to a closed or semi-closed high-quality growing system for vegetables. The system cultivates vegetables through artificial control of water, light, temperature, moisture, and carbon dioxide concentration, so it requires high initial construction and operation costs. The operation costs are mainly due to the electricity consumption of lighting and air-conditioning. Past research have done much work on reducing plant factory’s electricity consumption, however, little have considered replacing traditional air-conditioning system with renewab

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27

Leitão, João André Monteiro Martins. "Estudo do potencial de aproveitamento de energia geotérmica de baixa entalpia em Portugal Continental." Master's thesis, 2014. http://hdl.handle.net/10316/38754.

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Dissertação de Mestrado Integrado em Engenharia do Ambiente apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra.<br>O aquecimento global, associado à elevada dependência nos combustíveis fósseis e ao crescente consumo energético, provocou situações dramáticas e impactes ambientais, bem como impactes socio-económicos. No sentido de inverter este cenário surgiram as energias renováveis para produção de energia eléctrica e para reduzir a dependência do petróleo, do carvão, etc., os quais são altamente poluentes e estão nos limites das suas reservas. Neste contexto su

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