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Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 1-18 doi: 10.1007/s11465-009-0092-z

Abstract: A finite-element-method-based approddach for modelling the transient dynamics of an HIS vehicle is alsoIt points out that there is a need for system optimisation, and there are troublesome NVH issues thatIt suggests that further research attention and effort be paid to NVH issues and system level optimisation

Keywords： interconnected suspensions     rollover prevention     vehicle dynamics     ride comfort     multibody system dynamics     hydraulic system dynamics    

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Effects of hydraulic retention time on nitrification activities and population dynamics of a conventionalactivated sludge system

Hongyan LI, Yu ZHANG, Min YANG, Yoichi KAMAGATA

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 43-48 doi: 10.1007/s11783-012-0397-8

Abstract: The effects of hydraulic retention time (HRT) on the nitrification activities and population dynamicsof a conventional activated sludge system fed with synthetic inorganic wastewater were investigatedrelative growth of NOBs, particularly the fast-growing sp., in the conventional activated sludge system

Keywords： ammonia-oxidizing bacteria     hydraulic retention time     nitrification activity     nitrite-oxidizing bacteria     population dynamics    

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Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 106-110 doi: 10.1007/s11465-009-0089-7

Abstract: This paper mainly presents a distributed monitoring and diagnosis system for the hydraulic system ofThe hardware of the distributed condition monitoring and fault diagnosis system is designed.experiments and applications indicate that the distributed condition monitoring and fault diagnosis systemeffectively realize its function of real-time online condition monitoring and fault diagnosis for the hydraulicsystem of construction machinery.

Keywords： construction machinery     hydraulic system     distributed condition monitoring     controller area net (CAN) field    

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Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 377-382 doi: 10.1007/s11465-011-0226-y

Abstract:

Hydraulic thrust system is an important system in a shield tunneling machine.Pressure regulation of thrust cylinders is the most important function for thrust system during tunnelIn this paper, a hydraulic thrust system is explained, and a corresponding simulation model is carriedout in order to study the system characteristics.may have a greater effect on pressure regulation and oil supply flow rate should be adaptive to the system

Keywords： tunnel     hydraulic thrust system     pressure regulation     simulation    

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Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 389-398 doi: 10.1007/s11465-010-0108-8

Abstract: Hydraulic descaling of rolled material is a part of all rolling trains.This paper describes the dynamics of high-speed impact between the compressible water droplet and theDroplet dynamics was simulated with the help of LS-Dyna solver, whereas the stress analysis was performed

Keywords： hydraulic descaling     scale     rolling     water-hammer     descaling theory    

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Applying system dynamics to strategic decision making in construction

SangHyun LEE

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 35-40 doi: 10.15302/J-FEM-2017002

Abstract: The author discusses the application of System Dynamics to high-level strategic simulation in constructionIn particular, System Dynamics’ strength on representing feedback processes, aggregation, soft variablesFrom this exercise, it is concluded that System Dynamics offers a great potential for strategic simulationFurther, the author proposes a comprehensive simulation framework that integrates System Dynamics and

Keywords： strategic project management     construction management     system dynamics     feedback process     hybrid simulation    

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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: A comparative computational fluid dynamics (CFD) study was conducted on the three different types ofgeometry information were collected, simplified, and adopted into the BORA facility, which is a 1/5 scale system

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

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Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 203-213 doi: 10.1007/s11465-011-0131-4

Abstract:

Crack on a shaft is one of the common damages in a rotor system.vibrations are calculated to compare the influences of transverse crack and slant crack on the rotor systemResults show that the vibration amplitude of the rotor system with a 45° slant crack on the shaftStability and dynamic characteristics of the rotor system with a 45° slant crack on the shaft underThe results are helpful for the understanding the dynamic behavior of a rotor system with a slant crack

Keywords： rotor dynamics     slant crack     stability     torsional excitation     open and close    

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Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 312-320 doi: 10.1007/s11465-017-0433-2

Abstract:

This study examines the development of the fluid and control technology of hydraulic wind turbinesThe current state of hydraulic wind turbines as a new technology is described, and its basic fluid modelFinally, the advantages of hydraulic wind turbines are enumerated.Hydraulic wind turbines are expected to become the main development direction of wind turbines.

Keywords： wind turbine     hydraulic system     fluid model     control technology    

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System dynamics analytical modeling approach for construction project management research: A critical

Xiaoxiao XU, Patrick X. W. ZOU

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 17-31 doi: 10.1007/s42524-019-0091-7

Abstract: Building and infrastructure construction projects can be viewed as a complex system consisting of manyOver the last two decades, considerable researches that use system dynamics (SD) as an analytical andWhen applying SD method to model construction system, the following aspects must be carefully considered

Keywords： system dynamics     construction management     problem and recommendation     research directions     literature review    

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Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 73-75

Abstract:

This article applies basic formula to the calculation of a relationship between the hydraulic pressureextremes ratio of hydraulic system and the extremes ratio efficiencies.This relationship shows that the greater the hydraulic pressure extremes ratio is, the lower the extremesThe article holds that the hydraulic pressure extremes ratio can be designed and chosen.

Keywords： hydraulic pressure extremes ratio     extremes ratio efficiencies     hydraulic system    

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Dynamics analysis of bladder-urethra system based on CFD

Qinghua JIN, Xiaojun ZHANG, Xiaoyang LI, Jianliu WANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 336-340 doi: 10.1007/s11465-010-0027-8

Abstract: A mathematical model for a bladder-urethra system can provide basic analysis for the disabled urethraBased on computational fluid dynamics (CFD), we developed a three-dimensional urodynamic bladder-urethrasystem, which includes bladder, bladder neck, prostate, and urethra.

Keywords： bladder-urethra system     stress urinary incontinence (SUI)     computational fluid dynamics (CFD)     urodynamics    

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Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4,   Pages 408-415 doi: 10.1007/s11465-008-0061-y

Abstract: Two methods for system identification (the least square system identification and BP artificial neuralnetwork (ANN) system identification) are put forward to establish a dynamic characteristic model ofThe model of thermal error of the axis in a feed system of DM4600 vertical miller is established withComparing the results of the two identification methods, the BP ANN system identification is more precisethan the least square system identification.

Keywords： square system     network     vertical miller     transfer     ANN    

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Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 179-210 doi: 10.1007/s11465-018-0464-3

Abstract:

Hydraulic servo system plays a significant role in industries, and usually acts as a core point inservo system to achieve high performance is still an unending pursuit along with the development ofsystem.servo systems are presented: Modelling uncertainty in hydraulic system is a major challenge, which includesend, some perspectives and associated research topics (measurement noise, constraints, inner valve dynamics

Keywords： hydraulic servo system     adaptive control     robust control     nonlinear friction     disturbance compensation     repetitive    

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Community dynamics of ammonia oxidizing bacteria in a full-scale wastewater treatment system with nitrification

Xiaohui WANG, Xianghua WEN, Hengjing YAN, Kun DING, Man HU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 92-98 doi: 10.1007/s11783-010-0254-6

Abstract: structure of ammonia oxidizing bacteria (AOB) in a full-scale wastewater treatment plant, the AOB community dynamicsin a wastewater treatment system was monitored over one year.The community dynamics were investigated using specific PCR followed by terminal restriction fragmentwas relatively stable, and the average change rate every 15 d of the system was 6.6%±5.8%.The phylogenetic analysis of the cloned gene showed clearly that the dominant AOB in the system was

Keywords： ammonia-oxidizing bacteria (AOB)     community dynamics     terminal restriction fragment length polymorphism    

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Title Author Date Type Operation

Recent developments in passive interconnected vehicle suspension

Wade A. SMITH, Nong ZHANG,

Journal Article

Effects of hydraulic retention time on nitrification activities and population dynamics of a conventionalactivated sludge system

Hongyan LI, Yu ZHANG, Min YANG, Yoichi KAMAGATA

Journal Article

Distributed monitoring and diagnosis system for hydraulic system of construction machinery

Xiaohu CHEN, Wenfeng WU, Hangong WANG, Yongtao ZHOU,

Journal Article

Simulation analysis of pressure regulation of hydraulic thrust system on a shield tunneling machine

Zhibin LIU, Haibo XIE, Huayong YANG

Journal Article

Numerical study of droplet dynamics impinging onto steel plate covered with scale layer

Jan BOHá?EK, Ale? HORáK

Journal Article

Applying system dynamics to strategic decision making in construction

SangHyun LEE

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

Stability and dynamics of rotor system with 45° slant crack on shaft

Yanli LIN, Xiaohui SI, Fulei CHU

Journal Article

Review of fluid and control technology of hydraulic wind turbines

Maolin CAI, Yixuan WANG, Zongxia JIAO, Yan SHI

Journal Article

System dynamics analytical modeling approach for construction project management research: A critical

Xiaoxiao XU, Patrick X. W. ZOU

Journal Article

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Journal Article

Dynamics analysis of bladder-urethra system based on CFD

Qinghua JIN, Xiaojun ZHANG, Xiaoyang LI, Jianliu WANG,

Journal Article

Theory analysis and system identification methods on thermal dynamics characteristics of ballscrews

XIA Junyong, HU Youmin, WU Bo, SHI Tielin

Journal Article

Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Journal Article

Community dynamics of ammonia oxidizing bacteria in a full-scale wastewater treatment system with nitrification

Xiaohui WANG, Xianghua WEN, Hengjing YAN, Kun DING, Man HU

Journal Article