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Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 442-454 doi: 10.15302/J-FASE-2017169

Abstract:

A series of air induction nozzles were tested in a high-speed wind tunnel.The results indicated that v and v of the droplets decreased quasi-linearly with increased wind speed, while v was affected by the quadratic of wind speed. v , v and v of the droplets were all proportionalconsisting of droplets with a diameter below 100 mm (%<100 mm) was found to be quadratically related to wind

Keywords： air induction nozzle     wind tunnel     aerial spray     droplet size spectra    

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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 buildingsurfaces and the influence of the side ratio and the terrain category were studied based on wind tunnel

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

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A wind tunnel study on control methods for cable dry-galloping

Hung D. VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 72-80 doi: 10.1007/s11709-015-0309-7

Abstract: The common vibration of cable caused by rain-wind combination has been known as most typical type andTo clarify the characteristics of this galloping, wind tunnel test of a cable model with various kindsof wind angle was conducted.The tests confirmed that the occurrence of dry-galloping depends on relative wind attacked angles andonset reduced wind speed.

Keywords： dry-galloping     wind-relative angle     single spiral wire     double spiral wire     circular rings    

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Wind-Tunnel Investigation of the Aerodynamic Performance of Surface-Modification Cables

Hiroshi Katsuchi, Hitoshi Yamada, Ippei Sakaki, Eiichi Okado

Engineering 2017, Volume 3, Issue 6,   Pages 817-822 doi: 10.1016/j.eng.2017.09.001

Abstract:

The wind-induced vibration of stay cables of cable-stayed bridges, which includes rain-wind-inducedstability for RWIV of this cable was investigated with various flow angles and protuberance dimensions in a wind-tunnelthat the spiral protuberance cable is aerodynamically stable against both RWIV and DG for all test wind

Keywords： Rain-wind-induced vibration     Dry galloping     Stay cable     Wind-tunnel test    

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Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3,   Pages 300-317 doi: 10.1007/s11709-018-0449-7

Abstract: The wind pressure distributions on gable roofs of low-rise buildings are investigated by a series ofwind tunnel tests which consist of 99 test cases with various roof pitches, height-depth ratios and width-depthdesign of low-rise buildings in typhoon area and act as references for the future’s modification of wind

Keywords： low-rise building     gable roof     wind loads     wind tunnel test     block pressure coefficient     load code    

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Research on non-mechanical ventilation effect in Zhongnanshan road tunne

Zheng Xuan,Guo Jiaqi

Strategic Study of CAE 2010, Volume 12, Issue 3,   Pages 39-44

Abstract:

Zhongnanshan extra-long road tunnel in Qingling is large-scale and hasThe research team monitored the natural wind initially, traffic flux and the wind induced by natural14∶00 pm, and the greatest value reaches 2.576 m / s; secondly, the period of peak traffic flux in tunnelas wind orientation, frequency of wind orientation, the temperature of portal et al, approximates theThe calculating value of the wind speed induced by natural ventilation pressure and traffic wind force

Keywords： tunnel ventilation     field monitoring     non-mechanical ventilation     natural wind     traffic piston wind    

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Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 93-102 doi: 10.1007/s11709-015-0311-0

Abstract: Wind-tunnel study on the improvement of aerodynamic stability of simplified suspension-bridge girderThe wind-tunnel test showed that an edge-girder type cross section exhibited large amplitude torsionalvortex-induced vibration as well as torsional flutter at a low wind speed.

Keywords： suspension bridge     aerodynamics     simplified girder     wind-tunnel test    

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Study on longitudinal wind load calculation method of cables for cablestayed bridge

Pei Minshan,Zhang Xigang,Zhu Bin,Hou Bin,Liu Changpeng

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 26-30

Abstract: By comparing with the international research results, the calculation formula of longitudinal wind dragcoefficient for cables was advanced to fill the blank of bridge wind resistant code of China, and thisformula has already been adopted in the Highway Bridge Wind Resistant Design Code (JTG/T D60012004

Keywords： Sutong cablestayed bridge     stayed cable     longitudinal     wind tunnel experiments    

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Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 292-298 doi: 10.1007/s11709-009-0048-8

Abstract: aerostatic coefficients of twin deck bridges with large span were investigated in detail by means of windtunnel test.The distances between the twin decks and wind attack angles were changed during the wind tunnel test

Keywords： twin decks     aerodynamic interference effects     aerostatic coefficients     wind tunnel test    

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Sectional model test study on vortex-excited resonance of vehicle-bridge system of Shanghai Bridge over Yangtse River

Li ZHOU, Yaojun GE

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 67-72 doi: 10.1007/s11709-009-0007-4

Abstract: study how vehicles influence the vortex-excited resonance of vehicle-bridge systems, because lock-in windthe Yangtse River, the vortex-excited resonance of a 1∶60 scale sectional model was tested in a TJ-1windtunnel, with or without vehicles at the attack angle of 0°, +3 and -3°, respectively.the bridge with vehicles is much larger than that of the bridge without vehicles, and 3) the lock-in wind

Keywords： vehicle-bridge system     sectional mode     vortex-excited resonance     wind tunnel test     mode shape correction    

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Small Scale Experimental Research on Fire Propagation Over Combustible Solid Surface Under Water Mist Condition

Lin Lin,Fang Yudong,Liao Guangxuan,Qin Jun

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 69-72

Abstract: Within mini-typed wind tunnel, the fire propagation over some typical solid surface under different air

Keywords： water mist     fire propagation     wind tunnel    

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The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Strategic Study of CAE 2009, Volume 11, Issue 5,   Pages 4-17

Abstract:

The paper introduced the development of aerodynamics & configuration technology for large aircraft.The technique of fuselage and the advanced aerodynamics configuration — blended wing body (BWB) were described. The impact of aerodynamics & configuration technology on safety, economical, comfortable and environmental characters for large aircraft was analyzed.The proposal for enhancing the research of aerodynamics in China was presented.

Keywords： large aircraft     aerodynamics     super critical foil     winglet     laminar flow technique     BWB     CFD     wind tunnel    

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Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 84-86

Abstract:

Directed against the demarcating problems of deep tunnel and shallow tunnel in exiting methods, thefeasible by two engineering cases, and is of importantce to lining design and construction of soil tunnel

Keywords： soil tunnel     deep tunnel and shallow tunnel     demarcating method    

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Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 241-248 doi: 10.1007/s11709-009-0036-z

Abstract: In this paper, the along-wind and cross-wind fluctuating load distributions along the height of high-risebuildings and their correlations are obtained through simultaneous pressure measurements in a wind tunnelGLE) methods, are verified in terms of their accuracy in describing the background equivalent static wind

Keywords： high-rise buildings     along-wind     cross-wind     background equivalent static wind load     close formulae    

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Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 522-532 doi: 10.1007/s11709-023-0930-9

Abstract: Engineering safety during maintenance outages is determined by the stability of the tunnel face.The tunnel face is supported by a medium at the bottom of the excavation chamber and compressed air atDisregarding the supporting effect of the cutterhead will result in a tunnel face with underestimated

Keywords： tunnel face stability     cutterhead configuration     aperture ratio     pressure gradient     support ratio    

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Title Author Date Type Operation

Droplet spectra and high-speed wind tunnel evaluation of air induction nozzles

Qing TANG, Liping CHEN, Ruirui ZHANG, Min XU, Gang XU, Tongchuan YI, Bin ZHANG

Journal Article

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

Yong QUAN, Yi LIANG, Fei WANG, Ming GU

Journal Article

A wind tunnel study on control methods for cable dry-galloping

Hung D. VO,Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO

Journal Article

Wind-Tunnel Investigation of the Aerodynamic Performance of Surface-Modification Cables

Hiroshi Katsuchi, Hitoshi Yamada, Ippei Sakaki, Eiichi Okado

Journal Article

Experimental study of wind loads on gable roofs of low-rise buildings with overhangs

Peng HUANG, Ling TAO, Ming GU, Yong QUAN

Journal Article

Research on non-mechanical ventilation effect in Zhongnanshan road tunne

Zheng Xuan,Guo Jiaqi

Journal Article

Improvement of aerodynamic stability of suspension bridges with H-shaped simplified stiffening girder

Hiroshi KATSUCHI,Hitoshi YAMADA,Mayuko NISHIO,Yoko OKAZAKI

Journal Article

Study on longitudinal wind load calculation method of cables for cablestayed bridge

Pei Minshan,Zhang Xigang,Zhu Bin,Hou Bin,Liu Changpeng

Journal Article

Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Journal Article

Sectional model test study on vortex-excited resonance of vehicle-bridge system of Shanghai Bridge over Yangtse River

Li ZHOU, Yaojun GE

Journal Article

Small Scale Experimental Research on Fire Propagation Over Combustible Solid Surface Under Water Mist Condition

Lin Lin,Fang Yudong,Liao Guangxuan,Qin Jun

Journal Article

The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Journal Article

Research on Demarcating Method for Deep Tunnel and Shallow Tunnel in Soil

Zhao Zhanchang,Xie Yongli

Journal Article

Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Journal Article

Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages

Journal Article