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Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 246-251 doi: 10.1007/s11708-009-0077-y

Abstract: The dynamic characteristics of molten droplets and hot particles at the very beginning of their fallEmphasis was placed on the effects of the droplet’s size and temperature, the coolant’s temperatureAn increase in either coolant temperature or droplet temperature results in a larger velocity variation

Keywords： dynamic characteristics     molten droplets     high-temperature particles     fuel and coolant interactions    

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Numerical solution, simulation and testing of the thermal dynamic characteristics of ball-screws

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 28-36 doi: 10.1007/s11465-008-0007-4

Abstract: This research focuses on the characteristics of how a ball-screw changes its temperature correspondingThe temperature distribution for the ball-screw at different times and directions is shown.By simulating and modeling the temperature field and thermal deformation of the ball-screw under periodicallyvarying heat sources, this paper describes the thermal dynamic characteristics of the ball-screw underBy testing the thermal dynamic characteristics of the ball-screw, the numerical solution is validated

Keywords： numerical solution     temperature corresponding     temperature distribution     end-most     ball-screw    

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Biochars derived from carp residues: characteristics and copper immobilization performance in water environments

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1672-6

Abstract:

● P-rich carp residues-derived biochars presented excellent Cu sorption capacity.

Keywords： Biowaste     Pyrolytic temperature     Immobilization     Bioavailability     Remediation    

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Crystallization and viscosity-temperature characteristics during co-gasification of industrial sludge

Linmin ZHANG, Bin LIU, Juntao WEI, Xudong SONG, Yonghui BAI, Jiaofei WANG, Ying ZHOU, Huijun YANG, Guangsuo YU

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1037-1047 doi: 10.1007/s11708-022-0824-x

Abstract: addition on the crystallization and viscosity of Shuangmazao (SMZ) coal were investigated by means of high temperatureThe slag formed at a high temperature had a higher polymerization degree and viscosity, which led toAs network modifiers, CaO and FeO could provide O2− at a high temperature, which reacted with

Keywords： co-gasification     industrial sludge     crystallization     viscosity     mineral matter evolution    

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Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 401-405 doi: 10.1007/s11708-008-0075-5

Abstract: The brake thermal efficiency increases while the exhaust temperature decreases.

Keywords： Experimental investigation     single-cylinder direct-injection     exhaust temperature     dimethyl     compression    

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Effect of anisotropic characteristics on the mechanical behavior of asphalt concrete overlay

Lingyun YOU, Zhanping YOU, Kezhen YAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 110-122 doi: 10.1007/s11709-018-0476-4

Abstract: Variations in the AC overlay’s modulus as a function of temperature as well as the contact state between

Keywords： asphalt concrete overlay     anisotropy     temperature gradients     modulus gradients     finite element simulation    

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The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Strategic Study of CAE 2003, Volume 5, Issue 1,   Pages 42-47

Abstract:

The Yangbajing Geothermal Field is one of non-volcanic high-temperature geothermal fields.Temperature inside the shallow reservoir is in the range of 150〜165℃ at the depth of 180〜280 m.The upper parts of temperature 251℃ is at depths ranging from 950m to 1350 m.The lower part is below 1850 m , in which the measured temperature is as high as 329℃ .

Keywords： high temperature geothermal     thermal reservoirs     genesis     Yangbajing     Tibet    

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Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mountedvortex generators and their sensitivity to nonuniform temperature of the fin

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 333-345 doi: 10.1007/s11708-009-0061-6

Abstract: The tube bank fin is commonly used to increase the area of the heat transfer surface with a small heat transfer coefficient of a heat exchanger. If vortex generators (VGs) are punched on the fin surface, the heat transfer performance of the fin can be improved. This paper focused on the effect of transversal tube pitch on the local heat transfer performance of the three-row flat tube bank fin mounted with VGs. On the fin surface, constructing the flow channel but without mounted VGs, the transversal tube pitch was greater, and the span averaged Nusselt number downstream was larger because fewer interactions of vortices would be generated from different VGs located upstream. When the area goodness factor was used as the criteria on the condition of one tube unit of heat exchanger for commonly used fin materials and fin thickness, the transversal tube pitch has considerable effect on the heat transfer enhancement of VGs. Large transversal tube pitch is more sensitive to fin material than to fin thickness.

Keywords： heat transfer enhancement     vortex generator     finned flat tube bank     heat exchanger    

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Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steam temperaturecharacteristics in a 350-MW supercritical down-fired boiler

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 132-142 doi: 10.1007/s11708-020-0803-z

Abstract: conducted to study the effects of tertiary air declination angle (TDA) on the coal combustion and steam temperaturecharacteristics in the first 350-MW supercritical down-fired boiler in China with the multiple-injectionThe experimental results indicated that as the TDA increased from 0° to 15°, the overall gas temperaturein the lower furnace rose and the symmetry of temperature field was enhanced.In comprehensive consideration of the pulverized coal combustion characteristics and the unit economic

Keywords： down-fired boiler     industrial-scale experiment     tertiary air declination angle     coal combustion     steam temperature    

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Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0672-8

Abstract: However, available studies mainly focus on the full-film lubrication conditions without considering temperaturerise and real 3D surface roughness due to the complexity of surface topography and temperature characteristicsIn this model, pressure and temperature are coupled with each other, the computation of elastic deformationis accelerated through the discrete convolution and fast Fourier transform method, the temperature fieldshow that the proposed model can be used as a powerful analysis tool for lubrication performance and temperature

Keywords： thermal elastohydrodynamic lubrication     surface roughness effect     thermal effect     temperature characteristics    

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CFD Simulation of thermal hydraulic characteristics in a typical upper plenum of RPV

Mingjun WANG, Lianfa WANG, Yingjie WANG, Wenxi TIAN, Jian DENG, Guanghui SU, Suizheng QIU

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 930-945 doi: 10.1007/s11708-021-0728-1

Abstract: Finally, the differences of flowrate distribution at the core outlet and temperature distribution andTYPE 3, two swirls like that of TYPE 1 rotating around the hot leg axis significantly increase the temperature

Keywords： pressurized water reactor (PWR)     upper plenum     internal structures     temperature distribution     computational    

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Numerical simulation of combustion characteristics at different coal concentrations in bituminous coal

Chunlong LIU, Qunyi ZHU, Zhengqi LI, Qiudong ZONG, Yiquan XIE, Lingyan ZENG

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 255-262 doi: 10.1007/s11708-013-0255-9

Abstract: As gas flowed to the burner nozzle, the high-temperature region expanded, ensuring a successful pulverized-coalWith increasing coal concentration (0.08–0.40 kg/kg), the gas temperature along the burner centerline

Keywords： numerical simulation     tiny-oil ignition burner     pulverized coal     temperature field    

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Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 525-534 doi: 10.1007/s11708-013-0278-2

Abstract: If the heat of road surface can be stored in summer, the road surface temperature will be decreased toBesides, if the heat stored is released, it can supply heat for buildings or raise the road surface temperatureThe results showed that the road surface temperature was mainly affected by solar radiation, but theThe temperature of the solar road surface was 3°C–6°C lower than that of the ordinary road surface.The temperature difference increased as the distance to the heat transfer tubes decreased.

Keywords： solar energy     road-solar energy system     road surface temperature     solar absorptivity of road surface     solar    

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Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 854-873 doi: 10.1007/s11705-022-2156-0

Abstract: Hence, this paper reviews research progress regarding ACE in terms of hydrodynamic characteristics and

Keywords： annular centrifugal extractor     hydrodynamic characteristics     structure optimization     the latest application    

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Clinical characteristics and outcomes of biopsy-proven diabetic nephropathy

Li Zhuo, Nianrong Zhang, Guming Zou, Dapeng Chen, Wenge Li

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 386-392 doi: 10.1007/s11684-017-0574-z

Abstract: In conclusion, the clinical characteristics of DN vary, and renal biopsy is necessary to determine renal

Keywords： diabetic nephropathy     clinical characteristics     renal biopsy     outcomes    

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Title Author Date Type Operation

Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Journal Article

Numerical solution, simulation and testing of the thermal dynamic characteristics of ball-screws

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

Biochars derived from carp residues: characteristics and copper immobilization performance in water environments

Journal Article

Crystallization and viscosity-temperature characteristics during co-gasification of industrial sludge

Linmin ZHANG, Bin LIU, Juntao WEI, Xudong SONG, Yonghui BAI, Jiaofei WANG, Ying ZHOU, Huijun YANG, Guangsuo YU

Journal Article

Performance and emission characteristics of QHCCI dimethyl ether engine

WANG Ying, LI Wei, ZHOU Longbao, LIU Shenghua, HU Tiegang

Journal Article

Effect of anisotropic characteristics on the mechanical behavior of asphalt concrete overlay

Lingyun YOU, Zhanping YOU, Kezhen YAN

Journal Article

The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Journal Article

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mountedvortex generators and their sensitivity to nonuniform temperature of the fin

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Journal Article

Industrial-scale investigations on effects of tertiary-air declination angle on combustion and steam temperaturecharacteristics in a 350-MW supercritical down-fired boiler

Xiaoguang LI, Lingyan ZENG, Hongye LIU, Yao LI, Yifu LI, Yunlong ZHAO, Bo JIAO, Minhang SONG, Shaofeng ZHANG, Zhichao CHEN, Zhengqi LI

Journal Article

Thermal analysis of lubricated three-dimensional contact bodies considering interface roughness

Journal Article

CFD Simulation of thermal hydraulic characteristics in a typical upper plenum of RPV

Mingjun WANG, Lianfa WANG, Yingjie WANG, Wenxi TIAN, Jian DENG, Guanghui SU, Suizheng QIU

Journal Article

Numerical simulation of combustion characteristics at different coal concentrations in bituminous coal

Chunlong LIU, Qunyi ZHU, Zhengqi LI, Qiudong ZONG, Yiquan XIE, Lingyan ZENG

Journal Article

Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Journal Article

Recent progress in hydrodynamic characteristics research and application of annular centrifugal extractors

Journal Article

Clinical characteristics and outcomes of biopsy-proven diabetic nephropathy

Li Zhuo, Nianrong Zhang, Guming Zou, Dapeng Chen, Wenge Li

Journal Article