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Design of the Optical System with Large Relative Aperture and Large Linear Field of View

Pan Junye

Strategic Study of CAE 2000, Volume 2, Issue 8,   Pages 89-90

Abstract:

In this paper following discussion the author concluded that the optical system for IR detecting inthe distance should be an total reflecting off-axis aspheric system with large relative aperture andA system with diameter φ600 mm, f=1000 mm, and linear field of view ± 5° was designed.

Keywords： IR detecting     relative aperture     large field of view     off-axis system     aspheric surface    

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Development and application of an off-site maintenance system in the petrochemical industry

Ruisheng YONG, Yanbing YE, Hanbin LUO, Lieyun DING

Frontiers of Engineering Management 2017, Volume 4, Issue 2,   Pages 111-126 doi: 10.15302/J-FEM-2017027

Abstract: and exposure to hazards during on-site operations and thereby reduce the probability of accidents, off-siteA support system for OFSM, which makes use of visualization, information management, and localizationA case study utilizing OFSM and its support system for an oil-loading facility of a petrochemical companyThe application results indicated that implementation of OFSM system can significantly reduce the operation

Keywords： on-site maintenance     petrochemical industry     safety     off-site maintenance system    

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Quantification of emission variability for off-road equipment in China based on real-world measurements

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1455-x

Abstract:

• Emissions from 53 in-use diesel-fueled off-road equipment were measured

Keywords： Off-road equipment     Portable emission measurement system (PEMS)     Real-world emissions     Diesel engine    

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Can energy storage make off-grid photovoltaic hydrogen production system more economical?

Frontiers of Engineering Management   Pages 672-694 doi: 10.1007/s42524-022-0245-x

Abstract: Thus, the installation of energy-storage equipment in a PVEH system is a complex trade-off problem.In addition, as technology costs drop, the LCOH of a PVEH system with energy storage will be less than

Keywords： hydrogen     off-grid photovoltaic     energy storage     LCOH     engineering economics    

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Electrostatic Spring Effect Analysis and Experimental Validation of Silicon Micromechanical Vibrating zaxis

Xia Dunzhu,Zhou Bailing,Wang Shourong

Strategic Study of CAE 2007, Volume 9, Issue 8,   Pages 66-68

Abstract: justify;">The error principle caused by structural process imperfection of silicon micromechanical z-axiscomputing the relation between the resonant frequency and feedback force added on the sense mode of MEMS z-axisgyroscope,  the inner relation between the ne gative electrostatic spring coefficient in sense axis

Keywords： silicon micromechanical z-axis gyroscope     negative electrostatic spring constant     feedback force generator     MEMS(microelectronic mechanical system)    

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Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 181-189 doi: 10.1007/s11783-014-0698-1

Abstract: Without appropriate purification and removal, this off gas has potential to cause severe pollution problemsPurified yellow phosphorous off gas can be beneficially reused as a raw material in chemical productionIn this paper, the significance of purification and reutilization of yellow phosphorous off gas are exploredprocesses, and main characteristics of the technologies for purification and reuse of yellow phosphorus offcomprehensive reutilization can be an effective solution for heavy pollution resulting from yellow phosphorous off

Keywords： yellow phosphorous off gas     purification     comprehensive utilization    

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Five-axis rough machining for impellers

Ruolong QI, Weijun LIU, Hongyou BIAN, Lun LI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 71-76 doi: 10.1007/s11465-009-0010-4

Abstract: The tool axis vector is confirmed based on flank milling using a simple method that could eliminate global

Keywords： five-axis     impeller     tool-path     planning     flank milling     ruled surface    

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Typical off-design analytical performances of internal combustion engine cogeneration

Xiaohong HE, Ruixian CAI

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 184-192 doi: 10.1007/s11708-009-0007-z

Abstract: Based on experimental data, typical off-design characteristic curves with corresponding formulas of internalrecovery steam generator (HRSG) and influence of ambient pressure on combined heat and power (CHP) system, off-design operation regularities of ICE cogeneration are analyzed.

Keywords： internal combustion engine (ICE)     cogeneration     heat recovery steam generator (HRSG)     off-design     superheated    

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Kinematic error separation on five-axis NC machine tool based on telescoping double ball bar

Min WANG, Jianzhong HU, Tao ZAN

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 431-437 doi: 10.1007/s11465-010-0110-1

Abstract: homogeneous transformation matrix (HTM) method are applied in establishing the kinematic error model of five-axismachining tool with two-axis turntable.Based on this model, a new method for the kinematic error separation in five-axis numerical control (In this study, three types of simultaneous three-axis control motions are designed for each rotary axisIn the measurement, two translational axes and one rotary axis are simultaneously controlled to keep

Keywords： error modeling     error separation     telescoping double ball bar     five-axis numerical control (NC) machining    

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Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4,   Pages 483-488 doi: 10.1007/s11465-007-0084-9

Abstract: This paper presents an optimization model for rotor blades of horizontal axis wind turbines.

Keywords： population     extended     algorithm     developed optimization     accurate    

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Application of Porous Aerostatic Bearings in Three-axis Table

Du Jinming

Strategic Study of CAE 2005, Volume 7, Issue 1,   Pages 65-68

Abstract: Three-axis table is the equipment that has high precision and is used to check, demarcate and establishthe error model of inertial system and work-piece.

Keywords： aerostatic bearings     porous     orifice restricted     three-axis table    

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Construction Technology of Off-Site Precast Concrete Buildings

Ting Gong,Jian Yang,Hao Hu,Feng Xu

Frontiers of Engineering Management 2015, Volume 2, Issue 2,   Pages 122-124 doi: 10.15302/J-FEM-2015039

Abstract: A comparison between traditional on-site and modern off-site construction methods has been conducted.

Keywords： off-site construction     precast concrete     modular construction     construction management     building information    

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Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 683-696 doi: 10.1007/s11708-020-0689-9

Abstract: A series of inline pico hydropower systems, which could be used in confined space, especially for water distribution networks (WDNs), was designed and investigated. The turbine with an eye-shaped vertical water baffle was developed to evaluate the hydraulic performance. A three-dimensional dynamic mesh was employed and the inlet velocity was considered as the inlet boundary condition, whereas the outlet boundary was set as the outflow. Then, numerical simulations were conducted and the standard turbulence model was found to be the best capable of predicting flow features through the comparison with the experimental results. The effects of the opening diameter of the water baffle and installation angle of the rotor on the flow field in the turbine were investigated. The results suggested that the water baffle opening at = 30 mm and the rotor at a 52° angle could achieve the highest efficiency of 5.93%. The proper eye-shaped baffle not only accelerates the fluid flow and generates positive hydrodynamic torque, but also eliminates the flow separation. The scheme proposed in this paper can be exploited for practical applications in the water pipelines at various conditions and power requirements.

Keywords： vertical axis water turbine     eye-shaped     vertical water baffle     pico hydropower    

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Determination of the feasible setup parameters of a workpiece to maximize the utilization of a five-axis

Aqeel AHMED, Muhammad WASIF, Anis FATIMA, Liming WANG, Syed Amir IQBAL

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 2,   Pages 298-314 doi: 10.1007/s11465-020-0621-3

Abstract: The maximum utilization of five-axis machine tools depends upon the cutting system’s geometry, the configurationa mathematical model has been developed to determine the workpiece’s feasible location in the five-axisavoiding the number of iterations, which are usually performed to eliminate the global collision and axisIn this research, a generic arrangement of the five-axis machine tool has been selected.The tooltip reachable workspace is determined by incorporating the post-processor, optimal cutting system

Keywords： workpiece setup parameter     five-axis     space utilization     setup parameters     machine tool    

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Role of the forkhead transcription factor FOXO-FOXM1 axis in cancer and drug resistance

Fung Zhao, Eric W.-F. Lam

Frontiers of Medicine 2012, Volume 6, Issue 4,   Pages 376-380 doi: 10.1007/s11684-012-0228-0

Abstract: An understanding of the role and regulation of the FOXO-FOXM1 axis will impact directly on our knowledge

Keywords： FOXO3a     FOXM1     transcription factor     cancer     drug resistance     tumorigenesis    

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Title Author Date Type Operation

Design of the Optical System with Large Relative Aperture and Large Linear Field of View

Pan Junye

Journal Article

Development and application of an off-site maintenance system in the petrochemical industry

Ruisheng YONG, Yanbing YE, Hanbin LUO, Lieyun DING

Journal Article

Quantification of emission variability for off-road equipment in China based on real-world measurements

Journal Article

Can energy storage make off-grid photovoltaic hydrogen production system more economical?

Journal Article

Electrostatic Spring Effect Analysis and Experimental Validation of Silicon Micromechanical Vibrating zaxis

Xia Dunzhu,Zhou Bailing,Wang Shourong

Journal Article

Advanced purification and comprehensive utilization of yellow phosphorous off gas

Ping NING,Xiangyu WANG

Journal Article

Five-axis rough machining for impellers

Ruolong QI, Weijun LIU, Hongyou BIAN, Lun LI

Journal Article

Typical off-design analytical performances of internal combustion engine cogeneration

Xiaohong HE, Ruixian CAI

Journal Article

Kinematic error separation on five-axis NC machine tool based on telescoping double ball bar

Min WANG, Jianzhong HU, Tao ZAN

Journal Article

Optimization model for rotor blades of horizontal axis wind turbines

LIU Xiong, CHEN Yan, YE Zhiquan

Journal Article

Application of Porous Aerostatic Bearings in Three-axis Table

Du Jinming

Journal Article

Construction Technology of Off-Site Precast Concrete Buildings

Ting Gong,Jian Yang,Hao Hu,Feng Xu

Journal Article

Performance of vertical axis water turbine with eye-shaped baffle for pico hydropower

Zhuohuan HU, Dongcheng WANG, Wei LU, Jian CHEN, Yuwen ZHANG

Journal Article

Determination of the feasible setup parameters of a workpiece to maximize the utilization of a five-axis

Aqeel AHMED, Muhammad WASIF, Anis FATIMA, Liming WANG, Syed Amir IQBAL

Journal Article

Role of the forkhead transcription factor FOXO-FOXM1 axis in cancer and drug resistance

Fung Zhao, Eric W.-F. Lam

Journal Article