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A New Subdiscipline of Contemporary Optics—Aero-optics

Yin Xingliang

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 1-6

Abstract:

Based on developing process of aero-optics, the background of the subject is introduced. The definition, intension, research object, research methods of the subject are proposed. The research contents are described, which include mechanism, calibration methods, calibration tests for aero-optic effects and optic window of the hypersonic aircraft. The theoretical research, engineering modeling, testing principle and testing methods in China are described in detail. Some representative results are given. At last, the application prospects and research tendency of the subject are suggested.

Keywords： aerodynamics     turbulent flows     optics     aero-optics    

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An Engineering Method to Calculate Transmitting Effect of Aero-optics for Hypersonic Interceptor

Yin Xingliang

Strategic Study of CAE 2006, Volume 8, Issue 11,   Pages 74-79

Abstract:

Transmitting effects of aero-optics is very important to optical imaging probing system of interceptor, as it may cause displacement, jitter and blurring of image to receive for the system. The optic transmitting characteristics is analyzed when target ray goes though turbulence flow. The engineering model for optical transmitting characteristics of flow is built up and empirical model for optical imaging system induced by aero-optic transmitting effects is described. The displacement, jitter and blurring are simulated. The numerical simulation results suggest that transmitting effect of aero-optics has powerful influence on the imaging probing system, which is related to flight parameters, imaging system parameters and integration periods of imaging probing system, etc.

Keywords： aerodynamics     turbulent flows     optics     aero-optics     transmitting effect    

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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusionreactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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Cylindrical particulate internal flows: A review

Lizhong HUANG, Xiang GAO, Jianzhong LIN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 385-393 doi: 10.1007/s11465-012-0354-z

Abstract:

The study of cylindrical particulate internal flows has wide industrial applicability hence receivedThis article reviews the cylindrical particulate internal flows over the past twenty years.The research is related to the cylindrical particulate flows in the straight channel, curved channel

Keywords： cylindrical particulate flow     internal flow    

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Supersonic flows over cavities

FANG Tianwen, DING Meng, ZHOU Jin

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 528-533 doi: 10.1007/s11708-008-0055-9

Abstract: The characteristics of supersonic cold flows over cavities were investigated experimentally and numerically

Keywords： supersonic     different     ratio    

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Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 524-527 doi: 10.1007/s11708-008-0099-x

Abstract: The pressure pulse filter and Smagorinsky sub-grid stress model of the Large Eddy Simulation (LES) are introduced. The fluid field in the annular plenum between the pressure vessel and the core barrel of the1:5 model in the second phase of Qinshan Nuclear Power Plant is simulated, and the distribution of the total pressure in the space and time domains is obtained. The results show that the Power Spectrum Density (PSD) of LES from the calculation and the test are in the same quantity order. Thus, the pressure of LES can be a load to stimulate the barrel vibration.

Keywords： Spectrum Density     Smagorinsky sub-grid     vibration     calculation     Qinshan Nuclear    

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IMPROVING NITROGEN SAFETY IN CHINA: NITROGEN FLOWS, POLLUTION AND CONTROL

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 465-474 doi: 10.15302/J-FASE-2022454

Abstract:

● It is necessary to address the N flows and their impacts on environment

Keywords： barriers     future management     ammonia emissions     nitrogen input     water N pollution    

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Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 320-325 doi: 10.1007/s11708-008-0041-2

Abstract: Numerical simulation of three-dimensional turbulent flow in a multistage axial compressor blade row isA high resolution, third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent

Keywords： simulation     compressor     multistage     third-order     three-dimensional turbulent    

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URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 404-411 doi: 10.1007/s11708-011-0165-7

Abstract: In this paper, the turbulent flow with different Reynolds number (5000–215000) and different pitch-to-diameterThe effects of the Reynolds number and the bundle geometry ( / ) on wall shear stress, turbulent kineticenergy, turbulent mixing and large scale coherent structure in tight lattice are analyzed in details

Keywords： tight rod bundle     flow structure     unsteady Reynolds averaged Navier Stokes (URANS)    

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Porosity model for flows in CMP

ZHANG Chao-hui, YE Wei, LUO Jian-bin, WEN Shi-zhu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 418-423 doi: 10.1007/s11465-006-0050-y

Abstract: In an effort to explore the contribution of the pad, which is usually full of pores, to the performance of CMP (chemical mechanical polishing), a three-dimensional flow model of CMP is presented by assuming that the fluids in the porous layer comply with Darcy s law, which states that the flow velocity is proportional to the pressure gradient and inverse proportional to the viscosity. The flow equation is deduced accordingly and, by taking advantage of the multilevel technique and line relaxation technique, numerical simulations are carried out to reveal the relationships between the load capacities and operational parameters (including pivot height, roll angle and pitch angle), under conditions with different porous parameters and different thicknesses of the porous layer. The little porous parameter will lead to a prominent increase of load capability (for instance, the load and the moment predicted), which is still augmented by the thicker layer parameter. This will result in a higher material removal ratio of CMP. A pad full of large pores will be used to deduce load capability, facilitating the free flow of the fluids through the pores. The research will add some insights on the mechanism of the CMP technique.

Keywords： multilevel technique     three-dimensional     proportional     research     thicker    

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Numerical simulation of the characteristics of turbulent Taylor vortex flow

ZHOU Xiantao, PAN Jiazhen, CHEN Liqing, SHI Yan, CHEN Wenmei, CHU Liangyin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 195-201 doi: 10.1007/s11705-007-0036-2

Abstract: Turbulent Taylor vortex flow, which is contained between a rotating inner cylinder and a coaxial fixedBased on the numerical simulation results of the turbulent Taylor vortex flow, its characteristics such
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Investigation of vortical flows over oscillating body using fast Lagrangian vortex method

Baoshan ZHU ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 297-306 doi: 10.1007/s11708-009-0010-4

Abstract: A computational method facilitating long-time and high-resolution unsteady vortical flows is developedeffectiveness of the present method is examined by comparing the numerical results of unsteady separated flows

Keywords： unsteady vortical flows     fast vortex method     vortex shedding     rotational oscillation     thin cambered blade    

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Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 18-24 doi: 10.1007/s11709-009-0009-2

Abstract: paper proposes a general scheme for safety and serviceability assessment of high-rise tower crane to turbulent

Keywords： tower crane     buffeting response     wind velocity     modeling    

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Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 219-225 doi: 10.1007/s11465-010-0010-4

Abstract: This paper studies thin film flows with free surfaces driven by gravity through two types of undulatedfrom Navier-Stokes equations and continuity equation, the exact numerical results of free-surface film flows

Keywords： waviness     triangle height     film thickness     streamlines separation     vortex    

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RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2161-2161 doi: 10.1007/s11705-009-0143-3

Abstract: RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Keywords： tee junction     Momentum exchange coefficient     RETRACTED    

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Title Author Date Type Operation

A New Subdiscipline of Contemporary Optics—Aero-optics

Yin Xingliang

Journal Article

An Engineering Method to Calculate Transmitting Effect of Aero-optics for Hypersonic Interceptor

Yin Xingliang

Journal Article

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Journal Article

Cylindrical particulate internal flows: A review

Lizhong HUANG, Xiang GAO, Jianzhong LIN

Journal Article

Supersonic flows over cavities

FANG Tianwen, DING Meng, ZHOU Jin

Journal Article

Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Journal Article

IMPROVING NITROGEN SAFETY IN CHINA: NITROGEN FLOWS, POLLUTION AND CONTROL

Journal Article

Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Journal Article

URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Journal Article

Porosity model for flows in CMP

ZHANG Chao-hui, YE Wei, LUO Jian-bin, WEN Shi-zhu

Journal Article

Numerical simulation of the characteristics of turbulent Taylor vortex flow

ZHOU Xiantao, PAN Jiazhen, CHEN Liqing, SHI Yan, CHEN Wenmei, CHU Liangyin

Journal Article

Investigation of vortical flows over oscillating body using fast Lagrangian vortex method

Baoshan ZHU ,

Journal Article

Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Journal Article

Dynamic analysis of free-surface thin film flows driven by gravity over undulated substrate

Zhaomiao LIU, Xin LIU, Guobin WANG, Hong LIAO,

Journal Article

RETRACTED ARTICLE: Momentum exchange coefficient for two jet flows mixing in a tee junction

Journal Article