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D. O. Schulte
Technische Universität Darmstadt
Heat exchangerEngineeringBoreholeThermal energy storageGeotechnical engineering
46Publications
7H-index
117Citations
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Publications 49
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#1D. O. Schulte (Technische Universität Darmstadt)H-Index: 7
#2Daniel Arnold (Heriot-Watt University)H-Index: 6
Last. Ingo Sass (Technische Universität Darmstadt)H-Index: 13
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Abstract Geothermal energy has a high potential to contribute to a more sustainable energy system if the associated economic risks can be overcome in the design process. The development planning of deep geothermal reservoirs (over 1000 m depth) relies on computer models to forecast and then optimize system design. Optimization is easy where all the objective's (e.g. NPV) optimization parameters and, most importantly, the geology are considered as known, but this is almost always not the case. Wh...
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#1Hung Tien Pham (Technische Universität Darmstadt)H-Index: 1
#2Wolfram Rühaak (Technische Universität Darmstadt)H-Index: 13
Last. Ingo Sass (Technische Universität Darmstadt)H-Index: 13
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Abstract Prefabricated vertical drains (PVDs) are widely used to accelerate consolidation processes of soft soils. Each PVD has a specific influence zone that is idealised as a cylinder, which is called a unit cell. The behaviour of a PVD system is usually analysed by analytical or numerical models of a unit cell model. Fully three-dimensional (3D) models of PVD systems are still a challenge due to the small size of PVDs and radial flows around PVDs, which result in a dense mesh around the PVDs ...
1 CitationsSource
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#1B. WelschH-Index: 7
Last. Liselotte SchebekH-Index: 17
view all 6 authors...
#1Ercan Atam (Boğaziçi University)H-Index: 3
#2D. O. Schulte (Technische Universität Darmstadt)H-Index: 7
Last. Lieve Helsen (Katholieke Universiteit Leuven)H-Index: 29
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Abstract Geothermal energy is considered a clean and sustainable form of renewable energy, that can be exploited directly or indirectly by means of specific devices. Ground-coupled heat pumps are widely used systems to obtain this energy. Control of ground-coupled heat pump systems, where thermal energy is extracted or injected from and to a geothermal borefield, is important for optimal geothermal energy use in the building sector and smart grids. Model-based control of such systems is potentia...
1 CitationsSource
#1B. Welsch (Technische Universität Darmstadt)H-Index: 7
#2Laura Göllner-Völker (Technische Universität Darmstadt)H-Index: 1
Last. Liselotte Schebek (Technische Universität Darmstadt)H-Index: 17
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District heating will play an important role for heat provision in temperate and cold climate zones in the future. However, in the context of decarbonizing the heating sector, conventional heat sources have to be replaced by renewable energies. This replacement correlates to the necessity to integrate the fluctuating energy source of solar radiation and thus requires seasonal thermal energy storage. More recently, borehole thermal energy storage systems have been integrated into such district he...
23 CitationsSource
#2B. WelschH-Index: 7
Last. Liselotte SchebekH-Index: 17
view all 6 authors...
#1D. O. SchulteH-Index: 7
#2B. WelschH-Index: 7
Last. Ingo SassH-Index: 13
view all 4 authors...
#1Kristian BärH-Index: 9
#2Ingo SassH-Index: 13
Last. Wolfram RühaakH-Index: 13
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#1J. FormhalsH-Index: 1
#2B. WelschH-Index: 7
Last. Ingo SassH-Index: 13
view all 4 authors...
The mismatch of high heat demand in winter and high solar heat supply in summer can be compensated by solar district heating (SDH) with borehole thermal energy storage (BTES) systems. Transient simulations are imperative to attain a good understanding of the system behavior and to determine an optimized system design. In this context, the models of SDH systems and BTES pose very different requirements on their simulation environments. Taking this into account, a coupled simulation, in which both...
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