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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: long-time and high-resolution unsteady vortical flows is developed with the advantages of the discrete vortexInteresting results about vortex shedding patterns and lock-in characteristics are provided for the thin

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

Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 227-236 doi: 10.1007/s11708-012-0198-6

Abstract: Further increase in the load will result in more frequency drop leading to the need of load shedding,The load shedding steps were obtained based on the rate of change of frequency with the increase in theThe impact of superconducting magnetic energy storage (SMES) was obtained on load shedding scheme.

Keywords: critical load     frequency response     load shedding     multi-area system     rate of change of frequency     superconducting    

An overview of vortex-induced vibration (VIV) of bridge decks

Teng WU, Ahsan KAREEM

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 335-347 doi: 10.1007/s11709-012-0179-1

Abstract: A brief overview of vortex-induced vibration (VIV) of circular cylinders is first given as most of VIV

Keywords: vortex-induced vibration (VIV)     Volterra series     bridge    

Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 90-102 doi: 10.1007/s11708-012-0224-8

Abstract: In order to avoid power system collapse, load shedding (LS) schemes are adopted with the optimal amount

Keywords: critical load     frequency response     load shedding (LS)     multi-area system     rate of change of frequency     linear    

Kinetic energy based model assessment and sensitivity analysis of vortex induced vibration of segmental

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4,   Pages 480-501 doi: 10.1007/s11709-017-0435-5

Abstract: Bridge decks are created in ABAQUS CFD program with the support of MATLAB codes to simulate and analyze vortexshedding generated due to wind excitation through considering the stationary position of the deck.Two benchmarks from the literature Von Karman and Dyrbye and Hansen are considered to validate the vortexshedding aspects for the CFD models.shedding and predicting vortex induced vibration of the deck.

Keywords: vortex induced vibration     reynolds number     kinetic energy     vorticity     latin hypercube sampling    

Numerical investigation and analysis of heat transfer enhancement in channel by longitudinal vortex based

TAO Wenquan, WU Junmei

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 71-78 doi: 10.1007/s11708-008-0001-x

Abstract: The effects of Reynolds number (from 800 to 3 000), the attack angle of vortex generator (from 15° to90°) and the shape of vortex generator were examined.The longitudinal vortex improves the field synergy of the large downstream region of longitudinal vortexregion near vortex generator.vortex can only enhance the local heat transfer.

Keywords: inherent mechanism     integral     surface     rectanglar     longitudinal    

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted vortex

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 333-345 doi: 10.1007/s11708-009-0061-6

Abstract: If vortex generators (VGs) are punched on the fin surface, the heat transfer performance of the fin can

Keywords: heat transfer enhancement     vortex generator     finned flat tube bank     heat exchanger    

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: with semi- and full-closed bridge decks, the aerodynamic interference between the two decks on the vortex-induced

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

Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 235-240 doi: 10.1007/s11708-008-0040-3

Abstract: anti-vortex rings were added separately.vortices were broken effectively and the flow fields inside the fan were more uniform with the two anti-vortexrings were effective in decreasing vortex noise.The cone-cylinder-shaped anti-vortex ring was more effective than the cylinder-shaped one in breakinglarge-scale vortexes and decreasing vortex noise.

Keywords: cylinder-shaped     evolution     computational     effective     large-scale    

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

Influence of fluid-structure interaction on vortex induced vibration and lock-in phenomena in long span

Nazim Abdul NARIMAN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 363-384 doi: 10.1007/s11709-016-0353-y

Abstract: Shedding frequencies for the associated wind velocities in the lock-in region are calculated in bothA decrease in the critical wind velocity and the shedding frequencies considering two-way approach wasIt was concluded that the two-way approach predicts earlier vortex induced vibration for lower critical

Keywords: vortex-induced vibration     fluid-structure interaction     Strouhal number     lock-in     kinetic energy    

A Simplified Nonlinear Model of Vertical Vortex-Induced Force on Box Decks for Predicting Stable Amplitudesof Vortex-Induced Vibrations

Le-Dong Zhu, Xiao-Liang Meng, Lin-Qing Du, Ming-Chang Ding

Engineering 2017, Volume 3, Issue 6,   Pages 854-862 doi: 10.1016/j.eng.2017.06.001

Abstract: of force and vibration responses were carried out to investigate the nonlinear behaviors of vertical vortex-inducedThe mechanisms of the onset, development, and self-limiting phenomenon of the vertical vortex-induced

Keywords: Box deck of bridge     Vertical vortex-induced vibration     Vertical vortex-induced force     Simplified nonlinear    

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

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: It is necessary to study how vehicles influence the vortex-excited resonance of vehicle-bridge systems, because lock-in wind speed is low and vortex-excited resonance is sensitive to any change in the mainBased on the Shanghai Bridge over the Yangtse River, the vortex-excited resonance of a 1∶60 scale sectionalThe result indicates that: 1) for the bridge with vehicles, the vertical vortex-excited resonance isTherefore, the influence of vehicles on vortex-excited resonance performance of vehicle-bridge systems

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

Numerical analysis on heat transfer enhancement by longitudinal vortex based on field synergy principle

WU Junmei, TAO Wenquan

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 365-369 doi: 10.1007/s11708-007-0055-1

Abstract: Three-dimensional numerical simulation results are presented for a fin-and-tube heat transfer surface with vortexeffects of the Reynolds number (from 800 to 2 000) and the attack angle (30º and 45º) of a delta winglet vortexfield synergy principle to explain the inherent mechanism of heat transfer enhancement by longitudinal vortexThe secondary flow generated by the vortex generators causes the reduction of the intersection angle

Keywords: computational     inherent mechanism     staggered     decrease     transfer surface    

Vortex-induced vibration of stay cable under profile velocity using CFD numerical simulation method

Wenli CHEN, Hui LI,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 357-363 doi: 10.1007/s11709-009-0060-z

Abstract: Vortex-induced vibration (VIV) of a stay cable subjected to a wind profile is numerically simulated throughthe unsteady aerodynamic frequencies, change flow field distribution near the cable and affect the vortexshedding in the wake.

Keywords: stay cable     fluid-structure interaction     numerical simulation     vortex-induced vibration    

Title Author Date Type Operation

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

Baoshan ZHU ,

Journal Article

Load shedding scheme for an interconnected hydro-thermal hybrid system with SMES

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

An overview of vortex-induced vibration (VIV) of bridge decks

Teng WU, Ahsan KAREEM

Journal Article

Load shedding scheme for the two-area system with linear quadratic regulator

D. TYAGI, Ashwani KUMAR, Saurabh CHANANA

Journal Article

Kinetic energy based model assessment and sensitivity analysis of vortex induced vibration of segmental

Nazim Abdul NARIMAN

Journal Article

Numerical investigation and analysis of heat transfer enhancement in channel by longitudinal vortex based

TAO Wenquan, WU Junmei

Journal Article

Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted vortex

Liangbi WANG, Zhimin LIN, Kangjie SUN, Yuanxin DONG, Song LIU, Yongheng ZHANG,

Journal Article

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

Xiaoliang MENG, Ledong ZHU, Zhenshan GUO

Journal Article

Investigation of flow dynamics and decrease of vortex noise inside volute of centrifugal fans

LI Chunxi, WANG Songling

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

Influence of fluid-structure interaction on vortex induced vibration and lock-in phenomena in long span

Nazim Abdul NARIMAN

Journal Article

A Simplified Nonlinear Model of Vertical Vortex-Induced Force on Box Decks for Predicting Stable Amplitudesof Vortex-Induced Vibrations

Le-Dong Zhu, Xiao-Liang Meng, Lin-Qing Du, Ming-Chang Ding

Journal Article

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

Li ZHOU, Yaojun GE

Journal Article

Numerical analysis on heat transfer enhancement by longitudinal vortex based on field synergy principle

WU Junmei, TAO Wenquan

Journal Article

Vortex-induced vibration of stay cable under profile velocity using CFD numerical simulation method

Wenli CHEN, Hui LI,

Journal Article