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Structure improvement and strength finite element analysis of VHP welded rotor of 700°C USC steam turbine

Jinyuan SHI,Zhicheng DENG,Yong WANG,Yu YANG

Frontiers in Energy 2016, Volume 10, Issue 1, Pages 88-104 doi: 10.1007/s11708-015-0387-1

Abstract: The optimized structure strength design and finite element analysis method for very high pressure (VHPincluding steady rated condition, 110% rated speed, 120% rated speed, cold start, warm start, hot start, veryhot start, sliding-pressure shutdown, normal shutdown and emergency shutdown, to obtain the temperatureand stress distribution as well as the stress ratio of the welded rotor.The strength design criteria and strength analysis results of the welded rotor are given.

Keywords： 700°C ultra-super-critical unit steam turbine very high pressure rotor structure strength design strength

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saccharification and fermentation of sweet potato powder for the production of ethanol under conditions of veryhigh gravity

Yinxiu CAO, Hongchi TIAN, Kun YAO, Yingjin YUAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 318-324 doi: 10.1007/s11705-010-1026-3

Abstract: Due to its merits of drought tolerance and high yield, sweet potatoes are widely considered as a potentialVery high gravity (VHG) technology is an effective strategy for improving the efficiency of ethanol fermentationHowever, this technology has rarely been applied to sweet potatoes because of the high viscosity of theirTo overcome this problem, cellulase was added to reduce the high viscosity, and the optimal dosage and

Keywords： bioethanol sweet potato very high gravity viscosity reduction simultaneous saccharification and fermentation

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Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimed

Frontiers of Structural and Civil Engineering Pages 1211-1227 doi: 10.1007/s11709-023-0983-9

Abstract: impact of aggregates, if any, on the viscoelastic behavior of rejuvenated asphalt mixtures containing veryhigh amounts of reclaimed asphalt pavement (RAP) (> 50%).recovered binders from different asphalt mixtures underwent shear complex modulus test within −8 °C to highThe role of asphalt binders in the behavior of asphalt mixtures is more pronounced at high temperatures

Keywords： RAP complex modulus SHStS transformation rejuvenation behavior of asphalt binder and mixture

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Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2, Pages 384-398 doi: 10.1007/s11705-020-1928-7

Abstract: The jet-flow high shear mixer (JF-HSM) is a new type of intensified equipment with special configurationsof the rotor and the stator.the solid-liquid system for a series of JF-HSMs involving different configuration parameters, such as rotordiameter, rotor blade inclination, rotor blade bending direction, stator diameter, and stator bottomResults indicate that the turbulent power consumption of the JF-HSM is affected by the change in rotor

Keywords： jet-flow high shear mixer solid particle dissolution power consumption characteristics CFD Simulation

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Target height and multipath attenuation joint estimation with complex scenarios for very high frequency Research Articles

Sheng CHEN, Yongbo ZHAO, Yili HU, Chenghu CAO, Xiaojiao PANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6, Pages 937-949 doi: 10.1631/FITEE.2100003

Abstract: characteristic of the data itself, and it is assumed that there is no reflected signal when the amplitude is very

Keywords： Low-angle estimation Very high frequency (VHF) radar Complex scenarios Multipath effect Height estimation

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A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2, Pages 219-223 doi: 10.1007/s11465-009-0024-y

Abstract: Based on structures and characteristics of traditional hydraulic pumps, this paper proposes a novel high-temperatureand high-pressure hydraulic pump (HHHP) that can work under 150°C and 28 MPa to overcome problems oftraditional high-temperature plunger pumps.Therefore, reduced fluctuations and stable pressure output is obtained.

Keywords： mononeuron PID control hydraulic pump pressure fluctuation

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Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Frontiers in Energy 2016, Volume 10, Issue 2, Pages 164-175 doi: 10.1007/s11708-016-0407-9

Abstract: In this paper, different models for liquid breakup processes in high-pressure dense diesel sprays andRayleigh-Taylor (RT) breakup model gives the most reasonable predicted results in both engine simulation and high-pressureTAB) based models and the RT model do not provide reasonable predictions for the characteristics of high-pressure

Keywords： breakup model diesel engine high-pressure injection simulations

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Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12, Pages 1818-1825 doi: 10.1007/s11705-022-2182-y

Abstract: To intensify this reaction, a high-temperature and high-pressure continuous microreaction technologyUsing the deacylation of acetanilide as a model reaction, the effects of the temperature, pressure, reactionBased on the rapid heating and cooling capabilities, the kinetics of acetanilide deacylation at high

Keywords： amide deacylation microreactor flow chemistry reaction intensification

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Surface-Driven High-Pressure Processing Perspective

Keith E. Gubbins, Kai Gu, Liangliang Huang, Yun Long, J. Matthew Mansell, Erik E. Santiso, Kaihang Shi, Małgorzata Ś liwińska-Bartkowiak, Deepti Srivastava

Engineering 2018, Volume 4, Issue 3, Pages 311-320 doi: 10.1016/j.eng.2018.05.004

Abstract:

The application of high pressure favors many chemical processes, providing higher yields or improvedOn the industrial scale, however, high-pressure processing is currently limited by the cost of compressionAn alternative approach to high-pressure processing is proposed here, in which very high local pressuresSince the active high-pressure processing zone is inhomogeneous, the pressure is different in differentto high-pressure processing based on surface-driven forces is discussed.

Keywords： Confinement High pressure High pressure phase High pressure reaction High pressure manufacture High pressure

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: Studies show that the dynamic properties of rockfill are strongly dependent on the confining pressureTherefore, confining pressure effect has become a very important factor in the seismic analysis of highThen a new model that could consider confining pressure effect has been established.model, it can be seen that the result is conservative to some extent without considering confining pressure

Keywords： confining pressure effect high rockfill dam dynamic response Hardin-Drnevich constitutive model

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Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Frontiers in Energy 2009, Volume 3, Issue 2, Pages 123-133 doi: 10.1007/s11708-009-0033-x

Abstract: infrared is widely used as a diagnostic tool for combustion devices, but this approach is difficult at highHigh soot concentrations render flames opaque to visible light, but they remain transparent to far-infraredfirst far-infrared absorption spectra, to the best of our knowledge, of sooty, non-premixed, ethylene high-pressureA specially designed high-pressure burner which is optically accessible to THz radiation has been built

Keywords： terahertz time-domain spectroscopy high-pressure flames H₂O absorption lines

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vapor deposition of excellent a-Si:H passivation layers for a-Si:H/c-Si heterojunction solar cells at highpressure and high power

Lei ZHAO,Wenbin ZHANG,Jingwei CHEN,Hongwei DIAO,Qi WANG,Wenjing WANG

Frontiers in Energy 2017, Volume 11, Issue 1, Pages 85-91 doi: 10.1007/s11708-016-0437-3

Abstract: However, at the low deposition pressure and low deposition power, such an a-Si:H layer can be only preparedThe deposition condition must be controlled very carefully.this paper, intrinsic a-Si:H layers were prepared on n-type Cz c-Si substrates by 27.12 MHz PECVD at a highdeposition pressure and high deposition power.It was found that an excellent a-Si:H passivation layer could be obtained in a very wide deposition pressure

Keywords： PECVD high pressure and high power a-Si:H microstructure passivation heterojunction solar cell

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Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua

Frontiers in Energy 2007, Volume 1, Issue 1, Pages 105-112 doi: 10.1007/s11708-007-0012-z

Abstract: The spray characteristics of methanol and ethanol with high-pressure swirl injector were explored experimentallyback-pressure.conditions while the vortexes formed in the middle part under high back-pressure ambient conditions., but displayed a slightly larger value under high back-pressure due to fuel evaporation.Numerical simulation could successfully demonstrate the spray characteristics of high-pressure swirl

Keywords： low back-pressure diameter initial spray hollow middle

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Technology of strengthening soil and keeping pressure of large diameter slurry shield inside with highpressure

Meng Haifeng,Su Qinggui,Zhai Zhiguo

Strategic Study of CAE 2010, Volume 12, Issue 12, Pages 70-74

Abstract: Based on the engineering example of underground diameter project replacing the cutter teeth inside with highpressure, the application of grouting reinforcement and pile foundation reinforcement in soil strengtheningThe causes of gas leakage of inside with high pressure were analyzed, and the countermeasures were proposed

Keywords： shield inside with high pressure keep pressure grouting

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Wind tunnel test study on the wind pressure coefficient of claddings of high-rise buildings

Yong QUAN, Yi LIANG, Fei WANG, Ming GU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4, Pages 518-524 doi: 10.1007/s11709-011-0128-4

Abstract: The area-averaged most unfavorable wind pressure coefficients (MUWPCs) on various regions of buildingratio and the terrain category were studied based on wind tunnel test data of scale models of typical high-rise

Keywords： side ratio area-averaged pressure coefficients cladding terrain category

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Title Author Date Type Operation

Structure improvement and strength finite element analysis of VHP welded rotor of 700°C USC steam turbine

Jinyuan SHI,Zhicheng DENG,Yong WANG,Yu YANG

Journal Article

saccharification and fermentation of sweet potato powder for the production of ethanol under conditions of veryhigh gravity

Yinxiu CAO, Hongchi TIAN, Kun YAO, Yingjin YUAN

Journal Article

Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimed

Journal Article

Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Journal Article

Target height and multipath attenuation joint estimation with complex scenarios for very high frequency

Sheng CHEN, Yongbo ZHAO, Yili HU, Chenghu CAO, Xiaojiao PANG

Journal Article

A novel high-temperature and high-pressure hydraulic pump based on mononeuron control

Linhui ZHAO, Xin FANG

Journal Article

Assessment and validation of liquid breakup models for high-pressure dense diesel sprays

Yi REN,Xianguo LI

Journal Article

Continuous deacylation of amides in a high-temperature and high-pressure microreactor

Journal Article

Surface-Driven High-Pressure Processing

Keith E. Gubbins, Kai Gu, Liangliang Huang, Yun Long, J. Matthew Mansell, Erik E. Santiso, Kaihang Shi, Małgorzata Ś liwińska-Bartkowiak, Deepti Srivastava

Journal Article

Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Journal Article

Terahertz time-domain spectroscopy of high-pressure flames

Jason BASSI, Mark STRINGER, Bob MILES, Yang ZHANG

Journal Article

vapor deposition of excellent a-Si:H passivation layers for a-Si:H/c-Si heterojunction solar cells at highpressure and high power

Lei ZHAO,Wenbin ZHANG,Jingwei CHEN,Hongwei DIAO,Qi WANG,Wenjing WANG

Journal Article

Spray characteristics of high-pressure swirl injector fueled with alcohol

WANG Xibin, CHEN Wansheng, GAO Jian, JIANG Deming, HUANG Zuohua