Search Results - "Blum, Philipp"

International legal status of the use of shallow geothermal energy by Haehnlein, Stefanie, Bayer, Peter, Blum, Philipp

“…Shallow geothermal energy (<400 m depth) is used in many countries worldwide, with a rising number of installations over the last decades. The use of ground…”
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Sustainability and policy for the thermal use of shallow geothermal energy by Hähnlein, Stefanie, Bayer, Peter, Ferguson, Grant, Blum, Philipp

“…Shallow geothermal energy is a renewable energy resource that has become increasingly important. However, the use has environmental, technical and social…”
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Subsurface urban heat islands in German cities by Menberg, Kathrin, Bayer, Peter, Zosseder, Kai, Rumohr, Sven, Blum, Philipp

“…Little is known about the intensity and extension of subsurface urban heat islands (UHI), and the individual role of the driving factors has not been revealed…”
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Increased ground temperatures in urban areas: Estimation of the technical geothermal potential by Rivera, Jaime A., Blum, Philipp, Bayer, Peter

“…Many cities leave a considerable thermal footprint in the subsurface. This is caused mainly by accelerated heat fluxes from warmed basements, pavements and…”
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Analytical simulation of groundwater flow and land surface effects on thermal plumes of borehole heat exchangers by Rivera, Jaime A., Blum, Philipp, Bayer, Peter

“…•A new analytical solution for simulating shallow geothermal systems is presented.•The solution accounts for long-term changes in land use and groundwater…”
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The evolution of the geothermal potential of a subsurface urban heat island by Hemmerle, Hannes, Ferguson, Grant, Blum, Philipp, Bayer, Peter

“…Abstract Meeting the rising energy demands of cities is a global challenge. Exploitation of the additional heat in the subsurface associated with the…”
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Global patterns of shallow groundwater temperatures by Benz, Susanne A, Bayer, Peter, Blum, Philipp

“…Only meters below our feet, shallow aquifers serve as sustainable energy source and provide freshwater storage and ecological habitats. All of these aspects…”
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Techno-economic and environmental analysis of an Aquifer Thermal Energy Storage (ATES) in Germany by Schüppler, Simon, Fleuchaus, Paul, Blum, Philipp

“…The objective of the present study is to analyse the economic and environmental performance of ATES for a new building complex of the municipal hospital in…”
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Identifying anthropogenic anomalies in air, surface and groundwater temperatures in Germany by Benz, Susanne A., Bayer, Peter, Blum, Philipp

“…Human activity directly influences ambient air, surface and groundwater temperatures. The most prominent phenomenon is the urban heat island effect, which has…”
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Damage event analysis of vertical ground source heat pump systems in Germany by Fleuchaus, Paul, Blum, Philipp

“…In recent years, some spectacular cases of damage occurred with vertical ground source heat pump (GSHP) systems in Germany. Broad media coverage attracted…”
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Thermo-economic analysis of four different types of ground heat exchangers in energy piles by Luo, Jin, Zhao, Haifeng, Gui, Shuqiang, Xiang, Wei, Rohn, Joachim, Blum, Philipp

“…•Thermal efficiency of four types ground heat exchangers in energy piles is studied.•Heating and cooling performance is analyzed by thermal performance…”
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City-scale heating and cooling with aquifer thermal energy storage (ATES) by Stemmle, Ruben, Lee, Haegyeong, Blum, Philipp, Menberg, Kathrin

“…Sustainable and climate-friendly space heating and cooling is of great importance for the energy transition. Compared to conventional energy sources, Aquifer…”
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Evaluating an enhanced thermal response test (ETRT) with high groundwater flow by Albers, Anna, Steger, Hagen, Zorn, Roman, Blum, Philipp

“…Enhanced thermal response tests (ETRT) enable the evaluation of depth-specific effective thermal conductivities. Groundwater flow can significantly influence…”
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Groundwater temperature anomalies in central Europe by Tissen, Carolin, Benz, Susanne A, Menberg, Kathrin, Bayer, Peter, Blum, Philipp

“…As groundwater is competitively used for drinking, irrigation, industrial and geothermal applications, the focus on elevated groundwater temperature (GWT)…”
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Swelling of Clay-Sulfate Rocks: A Review of Processes and Controls by Butscher, Christoph, Mutschler, Thomas, Blum, Philipp

“…The swelling of clay-sulfate rocks is a major threat in tunnel engineering, causing serious damage to tunnels and producing high additional costs during tunnel…”
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Comparing anthropogenic heat input and heat accumulation in the subsurface of Osaka, Japan by Benz, Susanne A., Bayer, Peter, Blum, Philipp, Hamamoto, Hideki, Arimoto, Hirotaka, Taniguchi, Makoto

“…In metropolitan areas, shallow groundwater temperatures are affected by anthropogenic heat sources. The resulting thermal conditions in the subsurface are…”
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Study on operation management of borehole heat exchangers for a large-scale hybrid ground source heat pump system in China by Luo, Jin, Zhao, Haifeng, Jia, Jia, Xiang, Wei, Rohn, Joachim, Blum, Philipp

“…For large-scale Ground Source Heat Pump (GSHP) systems, the numerous Borehole Heat Exchangers (BHEs) are generally managed in units. The simultaneous operation…”
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Potential of low-temperature aquifer thermal energy storage (LT-ATES) in Germany by Stemmle, Ruben, Hammer, Vanessa, Blum, Philipp, Menberg, Kathrin

“…More than 30% of Germany’s final energy consumption currently results from thermal energy for heating and cooling in the building sector. One possibility to…”
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Determination of thermal properties of grouting materials for borehole heat exchangers (BHE) by Albers, Anna, Huttenloch, Petra, Zorn, Roman, Steger, Hagen, Blum, Philipp

“…Thermal properties of grouting materials for borehole heat exchangers (BHE) are currently analysed with varying measurement methods and analysis procedures,…”
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Analytical approach to groundwater-influenced thermal response tests of grouted borehole heat exchangers by Wagner, Valentin, Blum, Philipp, Kübert, Markus, Bayer, Peter

“…► Determination of the Darcy velocity based on TRT measurements. ► Calibration of the moving line source theory for TRT evaluation. ► Simultaneous…”
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