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A spectrometer for measuring particle size distributions in the range of 3 nm to 10 μm

Jieqiong LIU,Jingkun JIANG,Qiang ZHANG,Jianguo DENG,Jiming HAO

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 63-72 doi: 10.1007/s11783-014-0754-x

Abstract: A spectrometer combining electrical mobility sizing and aerodynamic sizing was developed to measure aerosolparticle sizer (NSMPS, 3 – 60 nm), a regular scanning mobility particle sizer (RSMPS, 40 – 700 nm), and an aerodynamicAerodynamic size distributions reported by the APS were converted to mobility size distributions by applying

Keywords： spectrometer     particle size distribution     electrical mobility     linear inversion     aerodynamic diameter    

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Particle size distributions, PM

Can DONG, Lingxiao YANG, Chao YAN, Qi YUAN, Yangchun YU, Wenxing WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 55-65 doi: 10.1007/s11783-012-0411-1

Abstract: In this study, we collected particles with aerodynamic diameter≤2.5 μm (PM ) from three different public

Keywords： indoor air quality     indoor/outdoor ratios     size distributions     particles with aerodynamic diameter≤2.5 μm    

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Numerical analysis of aerodynamic noise radiated from cross flow fan

CHEN Anbang, LI Song, HUANG Dongtao

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 443-447 doi: 10.1007/s11708-008-0063-9

Abstract: and the vortex wall sources contribute significantly to the total noise and that both the predicted aerodynamic

Keywords： predicted aerodynamic     Williams-Hawkings     calculated pressure     aerodynamic performance     unsteady Reynolds-averaged    

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Flutter control effect and mechanism of central-slotting for long-span bridges

YANG Yongxin, GE Yaojun, XIANG Haifan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 298-304 doi: 10.1007/s11709-007-0039-6

Abstract: Five basic girder cross-sections representing five typical aerodynamic configurations were selected andmethod (2 dimension-3 degrees of freedom method, 2d-3DOF method) were carried out to investigate the aerodynamicThe results show that central-slotting can not always improve the aerodynamic stability of bridge structureThe control effect of central-slotting depends on the aerodynamic configuration of the original girderthat the differences in flutter control effects come from the different formation and evolution of aerodynamic

Keywords： aerodynamic configuration     aerodynamic performance     flutter mechanism     aerodynamic stability     theoretical    

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Aerodynamic stability evolution tendency of suspension bridges with spans from 1000 to 5000 m

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0980-z

Abstract: Aerodynamic instability owing to aerostatic and flutter-related failures is a significant concern inTo analyze the aerodynamic instability, streamlined single-box section (SBS), lattice truss section (with span approximately 3000 m should be focused on both aerostatic instability and flutter, and more aerodynamic

Keywords： suspension bridge     super long-span     finite element model     aerodynamic instability     aerodynamic configuration    

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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: The aerodynamic interference effects on aerostatic coefficients of twin deck bridges with large spantwin decks and wind attack angles were changed during the wind tunnel test to study the effects on aerodynamicThe lift and torque coefficients of windward and leeward decks are also affected slightly by the aerodynamicAnd the aerodynamic interference effects on lift and torque coefficients of twin decks can be neglected

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

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New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 541-549 doi: 10.1007/s11708-008-0077-3

Abstract: Based on this model, a numerical aerodynamic optimization platform for the axial compressor 2D bladeprofiles is developed, by which aerodynamic optimization of two compressor blade profiles are presented

Keywords： definition     objective distribution     fitting precision     combination     numerical aerodynamic    

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Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 510-517 doi: 10.1007/s11709-011-0129-3

Abstract: By examining the two neighboring Haihe Bridges with semi- and full-closed bridge decks, the aerodynamicinterference between the two decks on the vortex-induced vibration (VIV) and the corresponding aerodynamicThe results show that the VIV responses of both bridges can be significantly affected by the aerodynamicstructural and aerodynamic configurations are adopted for the two bridges.Otherwise, the VIV responses are not significantly increased and may even be reduced by the aerodynamic

Keywords： separated parallel decks     vortex-induced vibration     aerodynamic interference     aerodynamic mitigation measure    

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Aerodynamic impact of train-induced wind on a moving motor-van

Jiajun HE; Huoyue XIANG; Yongle LI; Bin HAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 909-927 doi: 10.1007/s11709-022-0833-1

Abstract: The newly-built single-level rail-cum-road bridge brings the issue of the aerodynamic impact of train-inducedSuch an aerodynamic impact mechanism was explored; a relationship between the transverse distance betweentrain and motor-van (hereinfafter referred to as van) and the aerodynamic effects on the van was exploredvariations of the van, even at a confirmed relative velocity, the aerodynamic variations of the vanThe decay of the aerodynamic effects shows that not all the velocity terms would enhance the aerodynamic

Keywords： rail-cum-road bridge     aerodynamic impact     train-induced wind     CFD     aerodynamic force     quantitative analysis    

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Numerical investigation of aerodynamic performance influenced by circumferentially pre-swirling coming

WANG Qikun, CHEN Kangmin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 435-440 doi: 10.1007/s11708-007-0063-5

Abstract: Numerical investigation is implemented on aerodynamic performance inside the crossover and de-swirlingThe emphasis is put on the aerodynamic performance influenced by the circumferent

Keywords： aerodynamic     investigation     centrifugal     de-swirling     circumferent    

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Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 194-202 doi: 10.1007/s11705-010-1019-2

Abstract: In this study, the effect of ethanol addition into pure water and its concentration on bubble diameterAlcohol concentration enhancement caused bubble diameter to decrease.Furthermore, the bubbles diameter in pure water was nearly 4 times higher than that of ethanol with concentration

Keywords： airlift rector     bubble diameter     gas hold-up     flow regime     ethanol    

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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 girderAccordingly, aerodynamic countermeasures of open grating deck and triangular faring, and structural countermeasuresof center stay, diagonal bracing and mass increase were tried to improve the aerodynamic stability.

Keywords： suspension bridge     aerodynamics     simplified girder     wind-tunnel test    

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Impacts of different diameter combinations on the temperature of a crude oil pipeline when colocating

Bo YU, Yue SHI, Xin LIU, Jinjun ZHANG, Jinjia WEI,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 192-197 doi: 10.1007/s11708-009-0074-1

Abstract: In order to show the effects of different diameter combinations on crude oil temperature when a crudeoil pipeline and a products pipeline are laid in one trench, four typical diameter combinations areIn real pipeline constructions, the effects of other diameter combinations on crude oil temperature canbe predicted by the method of linear interpolation to calculate results of the four diameter combinations

Keywords： technology of laying two pipelines in one trench     diameter combinations     crude oil temperature     pipeline    

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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthincreases with the increasing slip length at approximately Re<10, and does not vary with the hydraulic diameter

Keywords： laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

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Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 321-325 doi: 10.1007/s11709-010-0028-z

Abstract: This paper addresses the aerodynamic effect on the nonlinear oscillation, particularly parametric vibration

Keywords： parametric vibration     cables     cable-stayed bridge     nonlinear vibration    

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Title Author Date Type Operation

A spectrometer for measuring particle size distributions in the range of 3 nm to 10 μm

Jieqiong LIU,Jingkun JIANG,Qiang ZHANG,Jianguo DENG,Jiming HAO

Journal Article

Particle size distributions, PM

Can DONG, Lingxiao YANG, Chao YAN, Qi YUAN, Yangchun YU, Wenxing WANG

Journal Article

Numerical analysis of aerodynamic noise radiated from cross flow fan

CHEN Anbang, LI Song, HUANG Dongtao

Journal Article

Flutter control effect and mechanism of central-slotting for long-span bridges

YANG Yongxin, GE Yaojun, XIANG Haifan

Journal Article

Aerodynamic stability evolution tendency of suspension bridges with spans from 1000 to 5000 m

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

New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Journal Article

Aerodynamic interference effects and mitigation measures on vortex-induced vibrations of two adjacent

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Journal Article

Aerodynamic impact of train-induced wind on a moving motor-van

Jiajun HE; Huoyue XIANG; Yongle LI; Bin HAN

Journal Article

Numerical investigation of aerodynamic performance influenced by circumferentially pre-swirling coming

WANG Qikun, CHEN Kangmin

Journal Article

Investigation of bubble diameter and flow regime between water and dilute aqueous ethanol solutions in

Baharak SAJJADI, Mostafa Keshavarz MORAVEJI, Reza DAVARNEJAD

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

Impacts of different diameter combinations on the temperature of a crude oil pipeline when colocating

Bo YU, Yue SHI, Xin LIU, Jinjun ZHANG, Jinjia WEI,

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Parametric oscillation of cables and aerodynamic effect

Yong XIA, Jing ZHANG, Youlin XU, Yozo FUJINO,

Journal Article