Advanced Energy Storage Technologies and Their Applications (AESA2017)

Xiong, Rui; Li, Hailong; Zhou, Xuan

doi:10.3390/en10091366

Cited by 2 publications

(3 citation statements)

References 25 publications

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“…• Special Issue "fluid flow and heat transfer" without citations [91]. • "Advanced energy storage technologies and their applications (AESA2017)" without citations [19]. • "Optimization of guide vane closing schemes of pumped storage hydro unit using an enhanced multiobjective gravitational search algorithm" with 18 citations [92].…”

Section: Hydropower and Energy Storage Communitymentioning

confidence: 99%

“…The economic considerations are analyzed with the aim of assessing the viability of renewable energy implementation to guide decisions on the future of energy. The proposals for the storage and generation of green energy valid for electric vehicles (EVs) [19,20] and other applications as backup energy to compensate for the random characteristics of renewable energies [19] are much-discussed topics among the documents published by MDPI's Energies journal [21]. MDPI's Energies journal brings together the most relevant contributions in different areas related to energy management.…”

Section: Introductionmentioning

confidence: 99%

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Energies and Its Worldwide Research

et al. 2020

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Energy efficiency and management is certainly one of the key drivers of human progress. Thus, the trends in the energy research are a topic of interest for the scientific community. The aim of this study is to highlight global research trends in this field through the analysis of a scientific journal indexed exclusively in the energy and fuels category. For this purpose, a journal has been selected that is in the center of the category considering its impact factor, which is only indexed in this category and of open access, Energies of the publisher MDPI. Therefore, a bibliometric analysis of all the contents of the journal between 2008 and 2020, 13,740 documents published, has been carried out. Analyzing the articles that are linked to each other by their citations, 14 clusters or research topics have been detected: smart grids; climate change–electric energy community; energy storage; bioenergy sources; prediction algorithms applied to power; optimization of the grid link for renewable energy; wind power; sustainability of power systems; hydrocarbon improvements; conversion of thermal/electrical energy; electric motor advancements; marine renewable energy; hydropower and energy storage; and preventive techniques in power transformers. The main keywords found were electric vehicle, renewable energy, microgrid, smart grid, and energy efficiency. In short, energy research remains necessary to meet the future challenge of sustainable energy with high efficiency and the exploration of new renewable resources, all for increasingly sustainable cities.

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Section: Hydropower and Energy Storage Communitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Energies and Its Worldwide Research

et al. 2020

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“…Thus, its thermal performance would gradually deteriorate with operation time. In order to maintain sustainable operation of DBHE on cyclic year by year, proper seasonal heat storage is necessary [13][14][15][16], especially in cold climate areas where heating load is usually higher than cooling.…”

Section: Introductionmentioning

confidence: 99%

Thermal Performance Analysis on the Seasonal Heat Storage by Deep Borehole Heat Exchanger with the Extended Finite Line Source Model

Qin

Zhao

Dai³

et al. 2022

Energies

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Deep borehole heat exchanger is promising and competitive for seasonal heat storage in the limited space underground with great efficiency. However, seasonal heat storage performance of the essentially deep borehole heat exchanger reaching kilometers underground was seldom studied. In addition, previous research rarely achieved comprehensive assessment for its thermal performance due to seasonal heat storage. Insight into the complicated heat transfer characteristics during the whole process of prior charging and subsequent discharging of deep borehole heat exchanger is in urgent need to be clarified. To this end, an extended finite line source model is proposed to investigate thermal performance of the deep borehole heat exchanger during charging and discharging stages. It is developed with modifications of classical finite line source model to consider the spatio-temporally non-uniform distribution of heat flux density and anisotropic thermal conductivity of deep rock. In general, simulation results demonstrate that thermal performance of the deep borehole heat exchanger deteriorates rapidly both during charging and discharging stages, making it impossible to sustain long-term efficient operation. Specifically, it was discovered that low temperature heat storage utilized only upper section of the borehole as effective heat storage section, and enhancement for heat extraction potential during the heating season was not significant. While high temperature heat storage by deep borehole heat exchanger could only enhance the heat extraction potential for 30 to 40 days in the initial stage of heating. Throughout the discharging, maximum thermal performance enhancement up to 11.27 times was achieved and the heat storage efficiency was evaluated at 2.86 based on average heat exchange rate. The findings of this study are intended to provide a guidance for decisionmakers to determine the most suitable seasonal heat storage strategy for the deep borehole heat exchanger and facilitate the application in engineering practice.

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Advanced Energy Storage Technologies and Their Applications (AESA2017)

Cited by 2 publications

References 25 publications

Energies and Its Worldwide Research

Energies and Its Worldwide Research

Thermal Performance Analysis on the Seasonal Heat Storage by Deep Borehole Heat Exchanger with the Extended Finite Line Source Model

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