Global Warming Is Large-Scale Thermal Energy Storage

Nordell, Bo

doi:10.1007/978-1-4020-5290-3_4

Cited by 13 publications

(13 citation statements)

References 9 publications

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“…Limitations of BTES include the comparatively large amount of heat loss compared to insulated water tank or gravel tank systems [30,56]. ATES and CTES systems also see an added advantage of combined short and seasonal time scale storage by combining large storage space and water as the storing medium [24]. A final major concern for BTES installation is the drilling cost associated with the borehole field, considerably more than in ATES configurations.…”

Section: Borehole Thermal Energy Storagementioning

confidence: 99%

“…BTES storage utilization features more prominently in Western Europe than other regions of the World [24,31,35,42,56,78,87,89,110]. Germany, Norway and Sweden, among the nations of Europe, boast the greatest number of STES systems.…”

Section: -985% Stts Efficiency (Short Term Thermal Storage)-annualmentioning

confidence: 99%

“…Acknowledging the importance of energy storage for renewable energy penetration, previous studies state that examination of various options for optimal energy management and system reliability remains the primary concern [164]. While BTES is the most universal STES method, other methods may be more effective depending upon geography and immediate hydraulic features [24,30,38,57]. The path to effective STES design is best navigated by thorough evaluation of environmental site characteristics and soil properties.…”

Section: Conclusion and Research Outlookmentioning

confidence: 99%

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Seasonal Thermal-Energy Storage: A Critical Review on BTES Systems, Modeling, and System Design for Higher System Efficiency

Lanahan

Tabares-Velasco

2017

Energies

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Abstract:Buildings consume approximately 3 4 of the total electricity generated in the United States, contributing significantly to fossil fuel emissions. Sustainable and renewable energy production can reduce fossil fuel use, but necessitates storage for energy reliability in order to compensate for the intermittency of renewable energy generation. Energy storage is critical for success in developing a sustainable energy grid because it facilitates higher renewable energy penetration by mitigating the gap between energy generation and demand. This review analyzes recent case studies-numerical and field experiments-seen by borehole thermal energy storage (BTES) in space heating and domestic hot water capacities, coupled with solar thermal energy. System design, model development, and working principle(s) are the primary focus of this analysis. A synopsis of the current efforts to effectively model BTES is presented as well. The literature review reveals that: (1) energy storage is most effective when diurnal and seasonal storage are used in conjunction; (2) no established link exists between BTES computational fluid dynamics (CFD) models integrated with whole building energy analysis tools, rather than parameter-fit component models; (3) BTES has less geographical limitations than Aquifer Thermal Energy Storage (ATES) and lower installation cost scale than hot water tanks and (4) BTES is more often used for heating than for cooling applications.

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Section: Borehole Thermal Energy Storagementioning

confidence: 99%

Section: -985% Stts Efficiency (Short Term Thermal Storage)-annualmentioning

confidence: 99%

Section: Conclusion and Research Outlookmentioning

confidence: 99%

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Seasonal Thermal-Energy Storage: A Critical Review on BTES Systems, Modeling, and System Design for Higher System Efficiency

Lanahan

Tabares-Velasco

2017

Energies

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“…However, ground storages have higher losses issues due to ground conductivity. Therefore, the properties of the ground, time of storage, temperature, location and geometry are critical (Nordell, 2000). Sensible thermal storage collects energy by increasing the temperature of a medium with finite heat capacitance (typically water) (V. Novo, et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Design and Optimization of a De-Centralized Community Sized Solar Heating System for Nordic Region

Rehman¹,

Hirvonen²,

Sirén³

2017

Proceedings of SWC2017/SHC2017

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There is a need to accelerate the application of advanced clean energy technologies to resolve the challenges of climate change. Solar heating is a feasible solution among clean energy technologies. These technologies are not yet highly used in high latitudes due to various challenges. This paper focuses on the community sized solar district heating system configuration for cold climates. The proposed configuration consists of a partially decentralized heating system. Each individual house heat pump was connected between large centralized solarcharged low temperature tank and smaller de-centralized individual high temperature tank in each house. Additionally, the large centralized tank was directly charged by solar-charged borehole storage during winters. Dynamic simulation approach was used through TRNSYS software coupled with MOBO (multi-objective building optimizer) for NSGA-II optimization algorithm. The purchased electricity and investments were two objectives minimized. The impact of the energy system on the renewable energy fraction, purchased electricity and investments as a function of the building heating demand, collectors and photovoltaic areas, short-term tanks storages and boreholes volumes were evaluated. Results showed that purchased electricity varied 47 kWh/m 2 /yr-25 kWh/m 2 /yr and renewable energy fraction 75%-91%.

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“…The greatest concern in seasonal sensible storage however, is heat loss [17]. In sensible thermal energy storage (TES) the heat loss depends on the storage medium, elapsed time, temperature gradient, and volume of storage [18,19]. Regarding the temperature and the volume of storage, there are different methods to decrease the thermal losses, including optimizing the size of the system or lowering the storage temperature.…”

mentioning

confidence: 99%

Seasonal thermal energy storage with heat pumps and low temperatures in building projects—A comparative review

Hesaraki

Holmberg

Haghighat

2015

Renewable and Sustainable Energy Reviews

205

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a b s t r a c tApplication of seasonal thermal energy storage with heat pumps for heating and cooling buildings has received much consideration in recent decades, as it can help to cover gaps between energy availability and demand, e.g. from summer to winter. This has the potential to reduce the large proportion of energy consumed by buildings, especially in colder climate countries. The problem with seasonal storage, however, is heat loss. This can be reduced by low-temperature storage but a heat pump is then recommended to adjust temperatures as needed by buildings in use. The aim of this paper was to compare different seasonal thermal energy storage methods using a heat pump in terms of coefficient of performance (COP) of heat pump and solar fraction, and further, to investigate the relationship between those factors and the size of the system, i.e. collector area and storage volume based on past building projects including residences, offices and schools.

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Global Warming Is Large-Scale Thermal Energy Storage

Cited by 13 publications

References 9 publications

Seasonal Thermal-Energy Storage: A Critical Review on BTES Systems, Modeling, and System Design for Higher System Efficiency

Seasonal Thermal-Energy Storage: A Critical Review on BTES Systems, Modeling, and System Design for Higher System Efficiency

Design and Optimization of a De-Centralized Community Sized Solar Heating System for Nordic Region

Seasonal thermal energy storage with heat pumps and low temperatures in building projects—A comparative review

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