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Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 406-409 doi: 10.1007/s11708-008-0094-2

Abstract: The flow and heat transfer characteristics of porous heat-storage wall in greenhouse are studied by usingThe results show that the heat exchange between the air and the solid matrix of the porous heat-storageBecause the incidence of solar radiation on the porous heat-storage wall is not uniform, the new composite

Keywords： incidence     thermal conductivity     heat-storage     exchange     composite    

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Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1038-1050 doi: 10.1007/s11705-022-2279-3

Abstract: Phase change materials are potential candidates for the application of latent heat storage.glycol, the resulted cellulose-based composite phase change materials exhibited high thermal energy storageability with the latent heat up to 142.2 J∙g‒1, which was 98.5% of pure polyethylene glycolcellulose presented a highly interesting choice for thermal management and renewable thermal energy storage

Keywords： cellulose     polyelectrolytes     phase change materials     thermal energy storage     light-to-thermal conversion    

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Combined heat and power plant integrated with mobilized thermal energy storage (M-TES) system

Weilong WANG, Yukun HU, Jinyue YAN, Jenny NYSTR?M, Erik DAHLQUIST

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 469-474 doi: 10.1007/s11708-010-0123-9

Abstract: District heating (DH) is used to supply heat to areas with high energy demand.In such areas, electrical heating or oil/pellet boilers are used to meet the heat demand.The mobilized thermal energy storage (M-TES) system is an alternative source of heat for detached buildingsor sparse areas using industrial heat.In this paper, the integration of a combined heat and power (CHP) plant and an M-TES system is analyzed

Keywords： Mobilized thermal energy system     district heating     thermal energy storage     combined heat and power     detached    

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Effect of Radial Porosity Oscillation on the Thermal Performance of Packed Bed Latent Heat Storage Article

H. B. Liu, C. Y. Zhao

Engineering 2021, Volume 7, Issue 4,   Pages 515-525 doi: 10.1016/j.eng.2020.05.020

Abstract:

Owing to its high heat storage capacity and fast heat transfer rate, packed bed latent heat storageIts fluid flow and heat transfer were analyzed.The oscillating distribution of radial porosity led to a non-uniform distribution of heat transfer fluidnumbers can lead to a proportional improvement of velocity, an increase in Stefan number can promote heatstorage of the packed bed LHS system.

Keywords： Packed bed latent heat storage     Radial porosity oscillation     Fluid flow     Heat transfer     Diameter ratio    

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

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 efficiencyBorehole inter-seasonal thermal storage coupled with GSHP maintains the efficiency at a high level.combined heating system is incorporated into the interconnected multi-carrier system to support the heat

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

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Heat transfer of phase change materials (PCMs) in porous materials

C Y ZHAO, D ZHOU, Z G WU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 174-180 doi: 10.1007/s11708-011-0140-3

Abstract: In this paper, the feasibility of using metal foams to enhance the heat transfer capability of phasechange materials (PCMs) in low- and high-temperature thermal energy storage systems was assessed.Heat transfer characteristics of these PCMs embedded with open-cell metal foams were studied.The heat transfer performances of these composites were tested and compared with metal foams.This implies that porous materials do not always enhance heat transfer in every regime.

Keywords： heat transfer     thermal energy storage     phase change materials     natural convection     porous media    

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Numerical simulation of underground seasonal cold energy storage for a 10 MW solar thermal power plant

Zulkarnain ABBAS, Yong LI, Ruzhu WANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 328-344 doi: 10.1007/s11708-020-0676-1

Abstract: This paper aims to explore an efficient, cost-effective, and water-saving seasonal cold energy storagetechnique based on borehole heat exchangers to cool the condenser water in a 10 MW solar thermal powerThe main objective of this paper is to utilize the storage unit in the peak summer months to cool theUsing the simulation platform transient system simulation program (TRNSYS), the borehole thermal energy storage

Keywords： seasonal cold energy storage     borehole heat exchangers     typical meteorological data     TRNSYS     condenser cooling    

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Energy storage resources management: Planning, operation, and business model

Frontiers of Engineering Management   Pages 373-391 doi: 10.1007/s42524-022-0194-4

Abstract: One of the feasible solutions is deploying the energy storage system (ESS) to integrate with the energyservices and load transfer, while emerging business models include electric vehicle (EV) as energy storageand shared energy storage.

Keywords： energy storage system     energy storage resources management     planning configuration     operational management    

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Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 414-436 doi: 10.1007/s11708-017-0507-1

Abstract: In this paper, three important aspects for absorption heat pump for waste heat reuse are reviewed.In the first part, different absorption heat pump cycles are classified and introduced.Absorption heat pumps for heat amplification and absorption heat transformer for temperature upgradingIn the third part, the applications of the absorption heat pump and absorption heat transformer for wasteheat reuse in different industries are introduced.

Keywords： absorption     heat pump     heat transformer     waste heat     working pair    

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Integrated energy in Germany–A critical look at the development and state of integrated energies in Germany

Saman AMANPOUR, Daniel HUCK, Mark KUPRAT, Harald SCHWARZ

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 493-500 doi: 10.1007/s11708-018-0570-2

Abstract: In the face of global warming and a scarcity of resources, future energy systems are urged to undergo a major and radical transformation. The recognition of the need to embrace renewable energy technologies and to move toward decarbonization has led to significant changes in the German energy generation, consumption and infrastructure. Ambitious German national plans to decrease carbon dioxide emissions on one side, and the unpredictable and volatile nature of renewable energy sources on the other side have elevated the importance of integrated energies in recent years. The deployment of integrated technologies as a solution to interlink various infrastructures creates opportunities for increasing the reliability of energy systems, minimizing environmental impacts and maximizing the share of renewable resources. This paper discusses the role of integrated energy systems in supporting of sustainable solutions for future energy transitions. Moreover, the reinforcement of this movement with the help of different technologies will be discussed and the development of integrated energy systems in Germany will be reviewed.

Keywords： integrated energy     renewable energies     energy transition     power-to-gas     power-to-heat     power-to-mobility     energystorage    

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Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: In this paper, an investigation is made to study the effects of radiation and heat source/sink on theunsteady boundary layer flow and heat transfer past a shrinking sheet with suction/injection.The thermal boundary layer thickness decreases with Prandtl number, radiation parameter and heat sinkparameter, but it increases with heat source parameter.heat transfer.

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 143-148 doi: 10.1007/s11708-010-0013-1

Abstract: A simplified model predicting the heat transfer performance of a heat sink base with a high thermal conductivityas the base embedded with a typical heat pipe, the entire heat sink can be modeled as a flat plate witha uniform temperature and an effective convection heat transfer coefficient.This simplified model can be used to determine the heat transfer performance of a heat sink embeddedwith a typical heat pipe or vapor chamber.

Keywords： heat pipe     heat sink     microprocessor heat removal    

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Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 402-405 doi: 10.1007/s11708-009-0055-4

Abstract: work, formulas for calculating the rates of the local thermodynamic entransy dissipation in convective heat

Keywords： entransy dissipation     heat convection     heat exchanger    

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Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 479-486 doi: 10.1007/s11708-013-0277-3

Abstract: for developing efficient techniques for cooling integrated electronic devices with ever increasing heatTo better tackle the high-density heat dissipation difficulty within the limited space, this paper isdedicated to clarify the heat transfer behaviors of the liquid metal flowing in mini-channel exchangersThe simulated heat sources were all cooled down by these three heat dissipation apparatuses and the exchangerconditions due to its much larger heat transfer area.

Keywords： heat exchanger     liquid metal     mini-channel     heat dissipation     heat transfer coefficient    

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Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 172-184 doi: 10.1007/s11708-019-0610-6

Abstract: Heat pipe utilizes continuous phase change process within a small temperature drop to achieve high thermalIn addition to some typical applications of thermal control and heat recovery, the heat pipe technologycombined with the sorption technology could efficiently improve the heat and mass transfer performancepipe technology for continuous heat transfer.and the advances in heat pipe type sorption system.

Keywords： heat pipe     sorption system     heat transfer     solid sorption heat pipe    

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Title Author Date Type Operation

Analysis of flow and heat transfer characteristics of porous heat-storage wall in greenhouse

OUYANG Li, LIU Wei

Journal Article

Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Journal Article

Combined heat and power plant integrated with mobilized thermal energy storage (M-TES) system

Weilong WANG, Yukun HU, Jinyue YAN, Jenny NYSTR?M, Erik DAHLQUIST

Journal Article

Effect of Radial Porosity Oscillation on the Thermal Performance of Packed Bed Latent Heat Storage

H. B. Liu, C. Y. Zhao

Journal Article

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

Da HUO, Wei WEI, Simon Le BLOND

Journal Article

Heat transfer of phase change materials (PCMs) in porous materials

C Y ZHAO, D ZHOU, Z G WU

Journal Article

Numerical simulation of underground seasonal cold energy storage for a 10 MW solar thermal power plant

Zulkarnain ABBAS, Yong LI, Ruzhu WANG

Journal Article

Energy storage resources management: Planning, operation, and business model

Journal Article

Absorption heat pump for waste heat reuse: current states and future development

Zhenyuan XU, Ruzhu WANG

Journal Article

Integrated energy in Germany–A critical look at the development and state of integrated energies in Germany

Saman AMANPOUR, Daniel HUCK, Mark KUPRAT, Harald SCHWARZ

Journal Article

Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Journal Article

Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Journal Article

Application of entransy dissipation theory in heat convection

Mingtian XU, Jiangfeng GUO, Lin CHENG,

Journal Article

Experimental investigation of liquid metal alloy based mini-channel heat exchanger for high power electronic

Manli LUO, Jing LIU

Journal Article

Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Journal Article