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Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 529-539 doi: 10.1007/s11708-018-0580-0

Abstract: Ground source heat pumps (GSHP) give zero-carbon emission heating at a residential level. However, as the heat is discharged, the temperature of the ground drops, leading to a poorer efficiency. Borehole inter-seasonal thermal storage coupled with GSHP maintains the efficiency at a high level. To adequately utilize the high performance of combined GSHP and the borehole system to further increase system efficiency and reduce cost, such a combined heating system is incorporated into the interconnected multi-carrier system to support the heat load of a community. The borehole finite element (FE) model and an equivalent borehole transfer function are proposed and respectively applied to the optimisation to analyze the variation of GSHP performance over the entire optimisation time horizon of 24 h. The results validate the borehole transfer function, and the optimisation computation time is reduced by 17 times compared with the optimisation using the FE model.

Keywords： borehole thermal storage     energy hub     ground source heat pumps (GSHP)     particle swarm optimisation    

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A comprehensive energy solution for households employing a micro combined cooling, heating and power

Huayi ZHANG, Can ZHANG, Fushuan WEN, Yan XU

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 582-590 doi: 10.1007/s11708-018-0592-9

Abstract: energy.The mCCHP system is deemed as a possible solution for households with multiple energy demands.First, the mathematical model of a home energy hub (HEH) is presented to describe the inputs, outputsFinally, a household using a mCCHP as the energy conversion device is studied.multiple kinds of energy supplies for households with the minimized total energy cost.

Keywords： energy hub     micro combined cooling     heating and power generation (mCCHP)     thermal comfort     robust optimization    

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Optimal dispatch of multi energy system using power-to-gas technology considering flexible load on user

Zi LING, Xiu YANG, Zilin LI

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 569-581 doi: 10.1007/s11708-018-0595-6

Abstract:

The relation between power-to-gas technology (P2G) and energy interconnection becomes increasinglysupply and energy demand.Based on the concept of energy hub, according to its series characteristic, this paper established ageneric multi-energy system model using the P2G technology.Finally, a concrete analysis was made on the optimal dispatch result of the multi-energy system using

Keywords： multi-energy system     energy hub     series characteristic     optimal dispatch     flexible load    

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Integrated Energy Microgrids and Low-Carbon Operation Optimization of Coal Mining Areas

Mu Yunfei,Wu Zhijun,Guo Haochen,Jia Hongjie,Wang Chengshan

Strategic Study of CAE 2023, Volume 25, Issue 5,   Pages 111-121 doi: 10.15302/J-SSCAE-2023.05.010

Abstract: the comprehensive utilization of energy and control carbon emissions in these areas.elements of the framework: new energy generation, energy storage, associated energy utilization, multi-energycoupling, and optimal scheduling of energy.A material‒energy‒carbon hub model is established in the coal mining areas, realizing low-carbon operationoptimization based on carbon ‒ energy synergy of integrated energy microgrids in typical coal mining

Keywords： coal mining areas     integrated energy microgrids     material‒energy‒carbon hub model     carbon-energy synergy    

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Study on rigid-flexible coupling dynamics of hub-plate system

ZHAO Feiyun, XIE Yongcheng, ZHANG Ming, HE Yinbiao

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 181-188 doi: 10.1007/s11708-007-0023-9

Abstract: Dynamic modeling of a rotating flexible hub-plate system is investigated by using Jourdain s variationSimulation of a rotating hub-plate system indicates that the linear model based on linear strain-displacementConservation of energy verifies the validity of the proposed model.Furthermore, frequency analysis of a hub-plate system shows the difference between the frequencies of

Keywords： discretization     erroneous     Furthermore     Different     Conservation    

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Innovation and Practice of High-Quality Navigation of the Three Gorges-Gezhouba Cascade Hub in 20 Years

Qi Junlin, Chen Dongyuan, Li Ran

Strategic Study of CAE 2023, Volume 25, Issue 1,   Pages 155-166 doi: 10.15302/J-SSCAE-2023.07.006

Abstract: style="text-align: justify;">As the navigation design capacity of the Three Gorges‒Gezhouba cascade hubThe innovative development and practice of the Three Gorges‒Gezhouba cascade hub over the past 20nbsp;suggestions are proposed for the intelligent and green navigation of the Gorges‒Gezhouba cascade hubimprovement in the intelligent operation level and efficiency of the Three Gorges‒Gezhouba cascade hub

Keywords： Three Gorges project     cascade hub     navigation organization     intelligent navigation     environmental-friendly    

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Hydrogen Energy Development Potential and Countermeasures of Port Cities in China

Liu Kemeng , Gao Junlian , Sun Xudong , Zhang Bo , Wu Rong

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 108-117 doi: 10.15302/J-SSCAE-2022.03.012

Abstract:

Hydrogen energy is an important direction for China’s energy transformationThis study analyzes the foundation for developing hydrogen energy in port cities in China, and analyzesBased on this, the development directions of hydrogen energy in those regions are discussed., heavy trucks, and buses to build port cities into an international energy hub with advanced hydrogenenergy technology, sufficient hydrogen energy supply, and complete industrial chain.

Keywords： port cities     hydrogen technology     hydrogen application     international hydrogen transportation hub    

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Discussion on the development orientation of Shanghai International Shipping Center

Che Jun,Ji Lan,Tang Lianbang

Strategic Study of CAE 2013, Volume 15, Issue 6,   Pages 66-73

Abstract: infrastructure, it will help Shanghai to consolidate its position as the main international container hub

Keywords： Shanghai International Shipping Centre     container hub port     hard strength of port    

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核能发展国际高端论坛 International Summit on Nuclear Energy Development

Conference Date: 15 May 2019

Conference Place: 中国

Administered by: 中国工程院

Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 931-942 doi: 10.1007/s11708-021-0771-y

Abstract: In this study, a high-energy-site phenomenon and targeted-energy transition mechanism were identifiedcould reach 2000°C– 4000°C, with the energy density reaching up to 4.0 × 105 W/kg.The whole process, including microwave energy concentration and intense site-energy release, shapes aThe microwave-induced high-energy sites and targeted energy transition provide an important pathway forhigh-efficiency energy deployment and may lead to promising applications.

Keywords： microwave discharge     high-energy sites     targeted-energy transition     morphology design     energy efficiency    

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核能发展国际高端论坛 International Summit on Nuclear Energy Development

Conference Date: 15 May 2019

Conference Place: 中国

Administered by: 中国工程院

Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 388-398 doi: 10.1007/s11708-013-0273-7

Abstract: The energy consumption of campus buildings has specific characteristics, because of the concentratedThe traditional energy system design and operation for campus buildings is only based on the constantstages of public and residential campus buildings to reduce the heating and cooling design load for energystation and total campus energy consumption for annual operation.The comparison of the simulation results showed that the single building energy saving method of the

Keywords： campus buildings     set-point temperature     energy simulation     energy saving optimization    

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Modeling China’s energy dilemma: conflicts among energy saving, energy security, and CO 2 mitigation

Feng FU, Zheng LI, Linwei MA,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 295-300 doi: 10.1007/s11708-010-0104-z

Abstract: This study analyzes China’s future energy scenarios stretching until 2050 under different policyportfolios of energy security (e.g., oil import dependency) and CO emissions control.saving, energy security, and CO mitigation.Based on the analysis, an improvement in China’s efficiency in fossil energy conversion and thepromotion of the utilization of non-fossil energy such as nuclear, wind, and hydro energy are recommended

Keywords： Energy dilemma     energy saving     energy security     CO2 mitigation    

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Blockchain in energy systems: values, opportunities, and limitations

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 9-18 doi: 10.1007/s11708-022-0818-8

Abstract: The structure of a power energy system is becoming more distributed than before.Its use in the energy sector has been pioneered by several pilot projects.However, to date the energy sector has not seen large-scale deployment of blockchain, partly becauseSecond, some promising blockchain-based applications in energy systems are presented.Third, some common misunderstandings of blockchain in energy are discussed.

Keywords： blockchain     immutability     energy trading     energy management     data synchronization    

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Unconventional energy: Seeking the ways to innovate energy science and technology

Jing LIU, Zhixiong GUO

Frontiers in Energy 2018, Volume 12, Issue 2,   Pages 195-197 doi: 10.1007/s11708-018-0568-9

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Title Author Date Type Operation

Optimisation for interconnected energy hub system with combined ground source heat pump and borehole

Da HUO, Wei WEI, Simon Le BLOND

Journal Article

A comprehensive energy solution for households employing a micro combined cooling, heating and power

Huayi ZHANG, Can ZHANG, Fushuan WEN, Yan XU

Journal Article

Optimal dispatch of multi energy system using power-to-gas technology considering flexible load on user

Zi LING, Xiu YANG, Zilin LI

Journal Article

Integrated Energy Microgrids and Low-Carbon Operation Optimization of Coal Mining Areas

Mu Yunfei,Wu Zhijun,Guo Haochen,Jia Hongjie,Wang Chengshan

Journal Article

Study on rigid-flexible coupling dynamics of hub-plate system

ZHAO Feiyun, XIE Yongcheng, ZHANG Ming, HE Yinbiao

Journal Article

Innovation and Practice of High-Quality Navigation of the Three Gorges-Gezhouba Cascade Hub in 20 Years

Qi Junlin, Chen Dongyuan, Li Ran

Journal Article

Hydrogen Energy Development Potential and Countermeasures of Port Cities in China

Liu Kemeng , Gao Junlian , Sun Xudong , Zhang Bo , Wu Rong

Journal Article

Discussion on the development orientation of Shanghai International Shipping Center

Che Jun,Ji Lan,Tang Lianbang

Journal Article

核能发展国际高端论坛 International Summit on Nuclear Energy Development

15 May 2019

Conference Information

Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Journal Article

核能发展国际高端论坛 International Summit on Nuclear Energy Development

15 May 2019

Conference Information

Analysis of energy saving optimization of campus buildings based on energy simulation

Dingding TONG, Jing ZHAO

Journal Article

Modeling China’s energy dilemma: conflicts among energy saving, energy security, and CO 2 mitigation

Feng FU, Zheng LI, Linwei MA,

Journal Article

Blockchain in energy systems: values, opportunities, and limitations

Journal Article

Unconventional energy: Seeking the ways to innovate energy science and technology

Jing LIU, Zhixiong GUO

Journal Article