Is a thermal barrier economically viable in Norway?The thermal barrier increases the amount of stored thermal energy after the first three years of operation by 20 %. The cost of the barrier is still too high to make it economically viable in Norway. 1. Introduction Borehole Thermal Energy Storages (BTESs) are seasonal storages for thermal energy.
What is a high temperature underground thermal energy storage?High temperature underground thermal energy storages are defined by temperatures of 25 to 90 °C (Kallesøe and Vangkilde-Pedersen, 2019). These may deliver heat without heat pumps if the heat supply system is designed for the available temperature level.
Can high temperature borehole thermal energy storage help green cities?High temperature borehole thermal energy storages (HT-BTESs) have a huge potential in enabling green cities by storing and supplying a large share of the required heating/cooling demand in buildings and industry. A new concept to minimize losses is the use of a thermal barrier ring of boreholes around the inner boreholes.
Can HT-BTES cover Fjell primary school's heat demand?Despite any groundwater flow, measurements show that the HT-BTES has reached about 30–45 °C in its core and can cover most of Fjell Primary School's heat demand as planned. It was assured that the model has converged, has sufficient distance to its borders and matches measurements and TRNSYS results.
What is high temperature borehole thermal energy storage (HT-BTES)?Distributed temperature sensing measurements from high temperature borehole thermal energy storage (HT-BTES) are presented. Thermal losses from HT-BTES are found as function of loss mechanism and time. The HT-BTES is a more economic alternative than the traditional low temperature BTES.
Is Norwegian electricity cheap in Europe?Norwegian electricity is comparably cheap in Europe, and in countries where winter prices of 3.21–4.4 kNOK/MWh (277–379 EUR/MWh) is usual, the barrier would become economical. A way to enhance the barrier's value would be to utilize it for charging the inner rings and reduce the losses as demonstrated in other works (Ahmadfard et al., 201
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Jan 12, 2023 · High-temperature borehole thermal energy storage (BTES) systems have a world-wide potential to reduce energy consumption, increase energy utilisation of waste heat and
Sep 1, 2017 · Abstract For concentrating solar power (CSP) plants to become cost competitive, it is necessary to design systems with significantly higher cycle efficiencies and to innovate cost
Jun 23, 2021 · -Need careful absorber design to get high air temperatures Need high temperature fan for charging and discharging Difficult to avoid air leakages Poor thermocline properties in
Oct 26, 2023 · Norway, with its Climate Action Plan and a substantial portion of cultural historic buildings in its building stock, aims to significantly reduce emissions and is seeking for novel solutions. This paper discusses
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Jan 1, 2025 · High temperature underground thermal energy storages are defined by temperatures of 25 to 90 °C (Kallesøe and Vangkilde-Pedersen, 2019). These may deliver
Aug 12, 2021 · What does this mean for Norway? In this report, we explore the conditions for Norway to engage in the production and use of solar (photovoltaic) PV technology, both
Feb 12, 2024 · Jointly, the integration of thoughtful design and advanced materials equips solar energy systems to thrive in high-temperature environments. By managing and mitigating thermal impacts, these
This book explores the recent technological development and advancement in high-temperature solar thermal technologies, offering a comprehensive guide to harnessing solar energy for
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Oct 26, 2023 · Norway, with its Climate Action Plan and a substantial portion of cultural historic buildings in its building stock, aims to significantly reduce emissions and is seeking for novel
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Apr 18, 2024 · The seasonal system COP (SCOP) of the heat supply systems comprising – a heat pump and an electric heater as top heating component – are shown inTable 4 for the three
Dec 1, 2023 · Integration of a high-temperature borehole thermal energy storage in a local heating grid for a neighborhood. In International Conference Organised by IBPSA-Nordic, 13th-14th
Feb 12, 2024 · Jointly, the integration of thoughtful design and advanced materials equips solar energy systems to thrive in high-temperature environments. By managing and mitigating
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The thermal barrier increases the amount of stored thermal energy after the first three years of operation by 20 %. The cost of the barrier is still too high to make it economically viable in Norway. 1. Introduction Borehole Thermal Energy Storages (BTESs) are seasonal storages for thermal energy.
High temperature underground thermal energy storages are defined by temperatures of 25 to 90 °C (Kallesøe and Vangkilde-Pedersen, 2019). These may deliver heat without heat pumps if the heat supply system is designed for the available temperature level.
High temperature borehole thermal energy storages (HT-BTESs) have a huge potential in enabling green cities by storing and supplying a large share of the required heating/cooling demand in buildings and industry. A new concept to minimize losses is the use of a thermal barrier ring of boreholes around the inner boreholes.
Despite any groundwater flow, measurements show that the HT-BTES has reached about 30–45 °C in its core and can cover most of Fjell Primary School's heat demand as planned. It was assured that the model has converged, has sufficient distance to its borders and matches measurements and TRNSYS results.
Distributed temperature sensing measurements from high temperature borehole thermal energy storage (HT-BTES) are presented. Thermal losses from HT-BTES are found as function of loss mechanism and time. The HT-BTES is a more economic alternative than the traditional low temperature BTES.
Norwegian electricity is comparably cheap in Europe, and in countries where winter prices of 3.21–4.4 kNOK/MWh (277–379 EUR/MWh) is usual, the barrier would become economical. A way to enhance the barrier's value would be to utilize it for charging the inner rings and reduce the losses as demonstrated in other works (Ahmadfard et al., 2019).
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