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Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 56-66 doi: 10.1007/s11709-008-0001-2

Abstract: The basic assumptions of Coulomb’s theory and the 2-dimensional steady flow function are used.

Keywords: function     coefficient     Coulomb-type     effective friction     different drainage    

Effect of steady shear on multi-axial texture of symmetric diblock copolymers

XU Hui, LIU Honglai, HU Ying

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 26-34 doi: 10.1007/s11705-007-0006-8

Abstract: The effect of steady shear on multi-axial texture of symmetric diblock copolymer was investigated by

Automated synthesis of steady-state continuous processes using reinforcement learning

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 288-302 doi: 10.1007/s11705-021-2055-9

Abstract: The environment consists of a steady-state flowsheet simulator that contains all physical knowledge.

Keywords: automated process synthesis     flowsheet synthesis     artificial intelligence     machine learning     reinforcement learning    

Modeling and analysis of steady-state vibration induced by backlash in servo rotary table

Xiao YANG,Dun LU,Sanli LIU,Jun ZHANG,Wanhua ZHAO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 43-47 doi: 10.1007/s11465-015-0327-0

Abstract: Steady-state vibration may be induced by backlash in closed loop feed drive systems.such as position controller gain, velocity controller gain, load and the magnitude of backlash, on steady-stateThe steady-state vibration amplitude increases with the position controller gain, load and the magnitudeThe steady-state vibration frequency increases with the position controller gain and the velocity controller

Keywords: backlash     servo rotary table     steady-state vibration    

Effect of dilution rate on dynamic and steady-state biofilm characteristics during phenol biodegradation

Veena Bangalore Rangappa, Vidya Shetty Kodialbail, Saidutta Malur Bharthaiyengar

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0863-9

Abstract: Dynamic and steady state biofilm characteristics depend on dilution rate (DR).Thus, the performance of PPBR in terms of dynamic and steady-state biofilm characteristics associated

Keywords: Biofilm     Exopolymeric substances     Phenol     Dilution rate     Pulsed plate bioreactor    

Development of a steady thermal-hydraulic analysis code for the China Advanced Research Reactor

TIAN Wenxi, QIU Suizheng, GUO Yun, SU Guanghui, JIA Dounan, LIU Tiancai, ZHANG Jianwei

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 189-194 doi: 10.1007/s00000-007-0024-8

Abstract: A multi-channel model steady-state thermal-hydraulic analysis code was developed for the China Advanced

Keywords: detailed     calculation     unsymmetrical     temperature     channel    

The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Strategic Study of CAE 2007, Volume 9, Issue 12,   Pages 26-30

Abstract: justify;">Firstly,  based on node equation method,  a water distribution pipeline network steady

Keywords: water distribution pipeline network     steady flow     transient flow     water hammer     Newton’s iteration method    

A High Accurate Steady-state Physical Model for High-voltage VDMOS

Bao Jiaming,Sun Weifeng,Zhao Ye,Lu Shengli

Strategic Study of CAE 2008, Volume 10, Issue 2,   Pages 72-78

Abstract:

A high accurate steady-state physical model for high-voltage VDMOS is

Keywords: VDMOS     steady-state physical model     analytical method    

Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 605-617 doi: 10.1007/s11709-018-0499-x

Abstract: however, even the IF-denoted model can lead to significant deviation from the correct response due to steadyTo solve the incompatibility at high wind speeds, a methodology of subtraction of pseudo-steady effects

Keywords: bridge     aerodynamics     nonlinear     aeroelastic model     Pseudo-steady     mean wind loads    

Study and Application of Steady Flow and Unsteady Flow Mathematical Model for Canal Networks

Zhang Mingliang,Shen Yongming

Strategic Study of CAE 2007, Volume 9, Issue 8,   Pages 92-96

Abstract:

Based on Preissmann implicit scheme for one-dimensional Saint-Venant Equation,  the mathematical model for one- dimensional river networks and canal networks is developed and the key issues on the model are expatiated particularly in this paper.  This model is applied to simulating the tree-type irrigation canal networks and complex looped canal networks.  The results of levels and flows and discharge distribution between the branches agree with the data from Adlul.  This model is a simple and practical tool for water resource regulation of irrigation canal networks and river networks.  These results show the application value of this model is to set up ecological numerical model of water quality in river networks and canal networks.

Keywords: Preissmann implicit scheme     canal networks and river networks     discharge distribution     water quality mode    

Steady-state thermal-hydraulic analysis of SCWR assembly

LIU Xiaojing, CHENG Xu

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 475-478 doi: 10.1007/s11708-008-0093-3

Abstract: Among the six gen-IV reactor concepts recommended by the gen-IV international forum (GIF), supercritical water-cooled reactor (SCWR), the only reactor with water as coolant, achieves a high thermal efficiency and, subsequently, has economic advantages over the existing reactors due to its high outlet temperature. A thermal-hydraulic analysis of the SCWR assembly is performed in this paper using the modified COBRA-IV code. Two approaches to reduce the hot channel factor are investigated: decreasing the moderator mass flow and increasing the thermal resistance between moderator channel and its adjacent sub-channels. It is shown that heat transfer deterioration cannot be avoided in SCWR fuel assembly. It is, therefore, highly required to calculate the cladding temperature accurately and to preserve the fuel rod cladding integrity under heat transfer deterioration conditions.

Keywords: cladding temperature     assembly     temperature     coolant     resistance    

Influence of initial curing conditions and exposure environments on chloride migration in concrete using electrochemical method

Wen XUE, Weiliang JIN, Hiroshi YOKOTA,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 348-353 doi: 10.1007/s11709-010-0077-3

Abstract: The effective chloride diffusion coefficients () were calculated from the steady-state on the basis of

Keywords: durability     effective diffusion coefficient     steady-state     migration test    

Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling technique in Jianghan Plain district

Wentao WANG, Chongzhi TU, Rong LUO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 568-576 doi: 10.1007/s11709-017-0444-4

Abstract: sand-filled layers in larger thicknesses by 22 ton vibratory roller alone, and then to investigate the steadyembankment project with tight construction period is suggested to choose the 12 ton vibration roller for steady

Keywords: sand embankment     compaction in large thickness     numerical simulation     small size vibratory roller     steady    

Steady Simulation of Mini-refrigerating System

Wang Ting,Chen Haigeng,Zhao Wei ,Cui Miao

Strategic Study of CAE 2007, Volume 9, Issue 3,   Pages 97-102

Abstract:

According to the definition of the damage variable basing on the stress wave attenuation, this paper makes an expansion to the original numerical manifold program which can only be used to simulate the body deformation of the linear elastic constitutive under the invariable load by adopting the stress wave attenuation damage model. The damage evolution law in the one-dimensional rock long bar under the impact load is simulated with the expanded program, and the damage evolution curves of the different points and the total material are obtained. The simulation results show that the increase of damage mainly happens in the initial time of the impact load, and with the time going on, the intensity of the stress wave attenuates and the damage do not increase evidently.

Keywords: rock     numerical manifold method     shock damage     evolution law    

An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 364-370 doi: 10.1007/s11708-014-0324-8

Abstract: It is proposed that a capacitor can be connected permanently across each phase winding of a three-phase induction motor along with the conventional delta-star switching, for further saving in VARh at reduced loads on the motor. The method of choosing a suitable value for the capacitor and the criteria to be adopted for calculating the power output at which the star to delta switching is to be made are also explained. The experimental results on a 3-phase, 4-pole, 415 V, 50 Hz, 3.3 kW induction motor verify the advantages in adding the capacitor to the phase winding of the motor. Compared to using only a single delta connected stator winding or a delta-star switching, the advantages of the proposed addition of a capacitor, are also demonstrated through a case study conducted on a 400 V, 250 kW motor. Any further improvement in grid side power factor can be achieved by employing a static synchronous compensator (STATCOM) of reduced VAR rating.

Keywords: delta-star switching     induction motor     power factor     steady-state analysis    

Title Author Date Type Operation

Coulomb-type solutions for passive earth pressure with steady seepage

WANG Junjie, CHAI Hejun, LIN Xin, XU Jiamei

Journal Article

Effect of steady shear on multi-axial texture of symmetric diblock copolymers

XU Hui, LIU Honglai, HU Ying

Journal Article

Automated synthesis of steady-state continuous processes using reinforcement learning

Journal Article

Modeling and analysis of steady-state vibration induced by backlash in servo rotary table

Xiao YANG,Dun LU,Sanli LIU,Jun ZHANG,Wanhua ZHAO

Journal Article

Effect of dilution rate on dynamic and steady-state biofilm characteristics during phenol biodegradation

Veena Bangalore Rangappa, Vidya Shetty Kodialbail, Saidutta Malur Bharthaiyengar

Journal Article

Development of a steady thermal-hydraulic analysis code for the China Advanced Research Reactor

TIAN Wenxi, QIU Suizheng, GUO Yun, SU Guanghui, JIA Dounan, LIU Tiancai, ZHANG Jianwei

Journal Article

The Study on Steady Flow and Transient Flow Mathematical Models for City’s Water Distribution Pipeline

Wang Shoudong,Shen Yongming,Jiang Hengzhi

Journal Article

A High Accurate Steady-state Physical Model for High-voltage VDMOS

Bao Jiaming,Sun Weifeng,Zhao Ye,Lu Shengli

Journal Article

Mean wind load induced incompatibility in nonlinear aeroelastic simulations of bridge spans

Zhitian ZHANG

Journal Article

Study and Application of Steady Flow and Unsteady Flow Mathematical Model for Canal Networks

Zhang Mingliang,Shen Yongming

Journal Article

Steady-state thermal-hydraulic analysis of SCWR assembly

LIU Xiaojing, CHENG Xu

Journal Article

Influence of initial curing conditions and exposure environments on chloride migration in concrete using electrochemical method

Wen XUE, Weiliang JIN, Hiroshi YOKOTA,

Journal Article

Numerical simulation of compaction parameters for sand-filled embankment using large thickness sand filling technique in Jianghan Plain district

Wentao WANG, Chongzhi TU, Rong LUO

Journal Article

Steady Simulation of Mini-refrigerating System

Wang Ting,Chen Haigeng,Zhao Wei ,Cui Miao

Journal Article

An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Journal Article