36th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 20 2023
DOI: 10.52202/069564-0233
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Thermo-Economic Comparison of CO2 and Water as a Heat Carrier for Long-Distance Heat Transport from Geothermal Sources

Abstract: Deep geothermal energy has tremendous potential for decarbonizing the heating sector. However, one common obstacle can be the mismatch between geologically attractive regions in the countryside and urban areas with a high heat demand density, which are therefore attractive for district heating systems. In the last years, an increasing number of regions consider the transport of geothermal heat into urban clusters. One example of such a region is the South German Molasse Basin in Upper Bavaria. However, such he… Show more

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Cited by 1 publication
(4 citation statements)
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“…This model determines the length-specific thermal and pressure losses along the transmission pipeline of the direct-use heat transport system. It then performs a cost-benefit analysis based on the LCOH model adopted from the literature [264], [266], [267]. This economic model calculates expenditure for the piping infrastructure, insulation, heat exchanger, and the annual O&M. The following section provides the mathematical description of the conceptual high-level design.…”
Section: Methodsmentioning
confidence: 99%
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“…This model determines the length-specific thermal and pressure losses along the transmission pipeline of the direct-use heat transport system. It then performs a cost-benefit analysis based on the LCOH model adopted from the literature [264], [266], [267]. This economic model calculates expenditure for the piping infrastructure, insulation, heat exchanger, and the annual O&M. The following section provides the mathematical description of the conceptual high-level design.…”
Section: Methodsmentioning
confidence: 99%
“…There is a need for assessing energy requirements in designing largescale district heating systems that connect various heat sources and sinks across urban settlements [265]. To address this research gap, it is argued to develop a sustainable energy system with heat supply infrastructure concept [266]. This chapter represents an initial step in this direction, with additional studies available for reference [266], [267].…”
Section: State-of-the-artmentioning
confidence: 99%
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