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Effect of graphene and its derivatives on thermo-mechanical properties of phase change materials and

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 150-186 doi: 10.1007/s11708-021-0795-3

Abstract: Phase change materials (PCMs) play a leading role in overcoming the growing need of advanced thermal

Keywords： phase change materials (PCMs)     graphene     thermal conductivity     characterization    

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Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 166-173 doi: 10.1007/s11708-010-0105-y

Abstract: Radiation heat transfer in a two-dimensional bed of phase-change particle is modeled by solving the radiativeMultiple factors affect heat flux in the LDR, such as size distribution, flow velocity, phase change

Keywords： radiation heat transfer     particle polydispersion     liquid droplet radiator     phase change    

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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 in solid/liquid phase change of porous materials (metal foams and expanded graphite) at

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

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study and assessment of thermal energy storage mortar with paraffin/recycled brick powder composite phasechange materials

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1301-1314 doi: 10.1007/s11709-022-0883-4

Abstract: was developed in this study by incorporating paraffin/recycled brick powder (paraffin/BP) composite phasechange materials (PCM).

Keywords： recycled powder mortar     recycled brick powder     thermal energy storage     paraffin     phase change material    

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Thermal performance of phase change material energy storage floor for active solar water-heating system

Ruolang ZENG, Xin WANG, Wei XIAO, Yinping ZHANG, Qunli ZHANG, Hongfa DI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 185-191 doi: 10.1007/s11708-009-0079-9

Abstract: the tank, a novel structure of an integrated water pipe floor heating system using shape-stabilized phasechange materials (SSPCM) for thermal energy storage was developed and experimentally studied in this

Keywords： phase change material     energy storage ratio     active solar water-heating    

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Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 26-32 doi: 10.1007/s11705-009-0002-2

Abstract: Lamellar crystal thickness of isotactic polybutene-1 ( -PB1) have been investigated for crystallization in the melt over a wide range of crystallization temperature from 40°C to 90°C by small angle X-ray scattering experiments and density measurements. The crystal thickness demonstrates two linear dependences on inverse supercooling and a transition from one dependence to the other has been observed around = 65°C. Each of the two dependences obeys the nucleation theory in the high and low supercooling ranges, respectively. Chain folding free energy determined from the low supercooling range is larger than that determined from the high supercooling range. Possible mechanisms for the transition are discussed taking account of entropy of chain folding directions.

Keywords： isotactic polybutene-1     tetragonal phase     crystal thickness     melt growth     chain folding     small angle X-ray    

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Phase change effect of low melting point metal for an automatic cooling of USB flash memory

Haoshan GE, Jing LIU

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 207-209 doi: 10.1007/s11708-012-0204-z

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Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 1-11 doi: 10.1007/s11708-012-0179-9

Abstract: Effects of different parameters on the melting, vaporization and resolidification processes of thin gold film irradiated by femtosecond pulses and pulse train were systematically studied. The classical two-temperature model was adopted to depict the non-equilibrium heat transfer in electrons and lattice. The melting and resolidification processes, which was characterized by the solid-liquid interfacial velocity, as well as elevated melting temperature and depressed solidification temperature, was obtained by considering the interfacial energy balance and nucleation dynamics. Vaporization process which leads to ablation was described by tracking the location of liquid-vapor interface with an iterative procedure based on energy balance and gas kinetics law. The parameters in discussion included film thickness, laser fluence, pulse duration, pulse number, repetition rate, pulse train number, etc. Their effects on the maximum lattice temperature, melting depth and ablation depth were discussed based on the simulation results.

Keywords： melting     evaporation     nucleation dynamics     nanoscale heat transfer    

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Application of phase change materials to thermal controlsystems for hypersonic vehicles

Wang Peiguang,Liu Yongji,Wang Jun

Strategic Study of CAE 2008, Volume 10, Issue 7,   Pages 188-192

Abstract: Starting from the point that phase change materials could be used as additional heat sink, five thermalcontrol system concepts using phase change materials are put forward based on characteristic of differentair cycle system, vapor cycle system, liquid loop system, open evaporation cooling system and direct phasechange materials heat storage system.The key technologies for the concepts are selection of appropriate phase change materials and encapsulation

Keywords： phase change material     thermal control     hypersonic vehicle    

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Importance of emulsions in crystallization—applications for fat crystallization

Sandra PETERSEN, K. CHALEEPA, Joachim ULRICH

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 43-48 doi: 10.1007/s11705-013-1309-6

Abstract: applications with industrial relevance were chosen for investigation: fat fractionation, the solidification of phasechange materials and solid lipid nanoparticles.For fat fractionation and phase change materials, emulsification can be applied as a tool to improve

Keywords： emulsion     fat crystallization     phase change material     emulsion fractionation     emulsion solidification    

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

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.After loading of polyethylene glycol, the resulted cellulose-based composite phase change materials exhibitedFurther results showed that the composite phase change materials demonstrated good form-stable propertyMoreover, studies involving light-to-thermal conversion determined that composite phase change materialsConsidering their exceptional comprehensive features, innovative composite phase change materials generated

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

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Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 727-735 doi: 10.1007/s11705-019-1823-2

Abstract: A form stable NaCl-Al O (50-50 wt-%) composite material for high temperature thermal energy storage was fabricated by cold sintering process, a process recently applied to the densification of ceramics at low temperature ˂ 300°C under uniaxial pressure in the presence of small amount of transient liquid. The fabricated composite achieved as high as 98.65% of the theoretical density. The NaCl-Al O composite also retained the chloride salt without leakage after 30 heating-cooling cycles between 750°C–850°C together with a holding period of 24 h at 850°C. X-ray diffraction measurements indicated congruent solubility of the alumina in chloride salt, excellent compatibility of NaCl with Al O , and chemical stability at high temperature. Structural analysis by scanning electron microscope also showed limited grain growth, high density, uniform NaCl distribution and clear faceted composite structure without inter-diffusion. The latent heat storage density of 252.5 J/g was obtained from simultaneous thermal analysis. Fracture strength test showed high sintered strength around 5 GPa after 50 min. The composite was found to have fair mass losses due to volatilization. Overall, cold sintering process has the potential to be an efficient, safe and cost-effective strategy for the fabrication of high temperature thermal energy storage materials.

Keywords： cold sintering process     composite fabrication     thermal energy storage     phase change materials    

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Climate change and China’s mega urban regions

Chaolin GU, Sunsheng HAN

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 418-430 doi: 10.1007/s11709-010-0075-5

Abstract: China’s mega urban regions are focal points of economic development and environmental concerns. This paper positions four mega urban regions (i.e., the Yangtze River Delta, the Pearl River Delta, the Bohai Bay Area, and the South-eastern Fujian Province) along China’s coast into the national economy and elaborates their development challenges and planning innovations. Mega urban regions in China are spatial consequences of rapid economic transition. They deserve close scrutiny and demands for innovative planning responses in order to maintain their key role in driving economic growth but limiting their greenhouse gas emission.

Keywords： climate change     mega urban region     urban planning    

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Exponential response electrical pole-changing method for a five-phase induction machine with a current Article

Jia-qiang YANG, Rong-sen YIN, Xiao-jun ZHANG, Jin HUANG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 8,   Pages 1151-1166 doi: 10.1631/FITEE.1601728

Abstract: fluctuation of the machine, we investigate an exponential response electrical pole-changing method for five-phase

Keywords： Five-phase induction machine     Pole-change     Sliding-mode control     Exponential response     Torque ripple    

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Tackling climate change and promoting the energy revolution

Xiangwan DU

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 338-343 doi: 10.1007/s11708-018-0535-5

Abstract: China’s international responsibility to combat climate change is consistent with the inherent sustainable

Keywords： climate change     Paris Agreement     low-carbon transition     energy revolution    

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Title Author Date Type Operation

Effect of graphene and its derivatives on thermo-mechanical properties of phase change materials and

Journal Article

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Journal Article

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

C Y ZHAO, D ZHOU, Z G WU

Journal Article

study and assessment of thermal energy storage mortar with paraffin/recycled brick powder composite phasechange materials

Luchen HAO; Jianzhuang XIAO; Wanzhi CAO; Jingting SUN

Journal Article

Thermal performance of phase change material energy storage floor for active solar water-heating system

Ruolang ZENG, Xin WANG, Wei XIAO, Yinping ZHANG, Qunli ZHANG, Hongfa DI,

Journal Article

Lamellar thickness transition of melt-crystallized polybuten-1 tetragonal phase: configurational change

Motoi YAMASHITA

Journal Article

Phase change effect of low melting point metal for an automatic cooling of USB flash memory

Haoshan GE, Jing LIU

Journal Article

Ultrafast solid-liquid-vapor phase change of a thin gold film irradiated by femtosecond laser pulses

Jing HUANG, Yuwen ZHANG, J. K. CHEN, Mo YANG

Journal Article

Application of phase change materials to thermal controlsystems for hypersonic vehicles

Wang Peiguang,Liu Yongji,Wang Jun

Journal Article

Importance of emulsions in crystallization—applications for fat crystallization

Sandra PETERSEN, K. CHALEEPA, Joachim ULRICH

Journal Article

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

Journal Article

Fabrication of form stable NaCl-Al2O3 composite for thermal energy storage by cold sintering process

Bilyaminu Suleiman, Qinghua Yu, Yulong Ding, Yongliang Li

Journal Article

Climate change and China’s mega urban regions

Chaolin GU, Sunsheng HAN

Journal Article

Exponential response electrical pole-changing method for a five-phase induction machine with a current

Jia-qiang YANG, Rong-sen YIN, Xiao-jun ZHANG, Jin HUANG

Journal Article

Tackling climate change and promoting the energy revolution

Xiangwan DU

Journal Article