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Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 390-394 doi: 10.1007/s11708-008-0087-1

Abstract: conducted, focusing on the variation of fan performance caused by the internal flow fields and the velocityFurthermore, this flow separation and the resulting uneven velocity distribution at the exit lead to

Keywords： box     velocity distribution     accordance     Numerical     variation    

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Investigation on available wind energy at Tungku beach

M. G. YAZDANI, M. A. SALAM

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 275-279 doi: 10.1007/s11708-012-0194-x

Abstract: In this paper, wind velocities and directions (sea and land) are recorded in different days and times. The data collected were compared with the weather data from the Brunei Darussalam Meteorological Service (BDMS) and the findings of other researchers and were found to be in good agreement. The potential of wind energy is predicted from the available data collected. The average generated power (forenoon and afternoon) is found to be 25 (mean) and 18 W (median), 101 (mean) and 73 W (median), 912 (mean) and 660 W (median), 10137 (mean) and 7331 W (median) for a rotor with a diameter of 2.5, 5, 15 and 50 m, respectively. The power density for wind farming is found to be 0.26 (mean) and 0.19 (median), 0.31 (mean) and 0.22 (median) for the rotor whose diameter is 2.5 and 50 m, respectively, while the average values are found to be 0.28 (mean) and 0.2 (median) for the rotor whose diameter is 5 and 15 m.

Keywords： wind velocity     temperature     tower height     power density     Raleigh distribution     electrical power    

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: The characteristics of the flow, such as pressure drop, air velocity distribution, slug length and settledthickness, and the detailed changing characteristics of slug length and settled layer thickness with air velocity

Keywords： velocity distribution     detailed     slug-flow     gas-solid     theory    

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The Influence of Flow Velocity on Response Sensitivity of Smoke Detectors

Xie Qiyuan,Su Guofeng,Yuan Hongyong,Zhang Yongming

Strategic Study of CAE 2005, Volume 7, Issue 11,   Pages 76-80

Abstract: That was accomplished through a series of experiments at different flow velocity, with the same smolderingindicate that the sensitivity of the two kinds of smoke detectors decreases sharply while the flow velocityAccordingly, the ionization smoke detector is more suitable for those locations with high flow velocity

Keywords： flow velocity     smoke detectors     smoke particle     size distribution of particles    

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Three-dimensional numerical simulation of flow in trapezoidal cutthroat flumes based on FLOW-3D

Danjie RAN, Wene WANG, Xiaotao HU

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 168-176 doi: 10.15302/J-FASE-2018217

Abstract: Velocity distribution of the flume obtained from simulation analyses were compared with observed resultsThe results indicated that the Froude number and the longitudinal average velocity increased along the

Keywords： distribution of velocity     Froude number     head loss     stage-discharge relationship     trapezoidal cutthroat flume    

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Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid air injection

YAO Chun-de, ZHOU Hong-xiu

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 409-412 doi: 10.1007/s11465-006-0048-5

Abstract: The velocity distribution at the outlet of the electric supercharger is determined by hot-wire anemometry

Keywords： acceleration     velocity distribution     high-speed brushless     turbocharger     electric supercharger    

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Prediction of the shear wave velocity

Amoroso SARA

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1,   Pages 83-92 doi: 10.1007/s11709-013-0234-6

Abstract: The paper examines the correlations to obtain rough estimates of the shear wave velocity from non-seismic

Keywords： horizontal stress index     shear wave velocity     flat dilatometer test     cone penetration test    

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Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1,   Pages 86-90 doi: 10.1007/s11465-008-0012-7

Abstract: The pressure and velocity distributions of the flow field were proposed.The calculation method, and the proposed pressure and velocity distribution of the flow field, have practical

Keywords： velocity distribution     calculation     numerical simulation     three-element centrifugal     converter    

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Discrete element method modeling of corn-shaped particle flow in rectangular hopper

He TAO, Baosheng JIN, Wenqi ZHONG, Xiaofang WANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 267-275 doi: 10.1007/s11709-010-0035-0

Abstract: The effect of friction coefficient on the wall pressure, voidage and velocity distribution was analyzedAnd the velocity distribution is more uniformity and is closer to the mass flow with the friction coefficient

Keywords： element          method         (DEM)             non-spherical     voidage     pressure     velocitydistribution     hopper    

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Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and Temporal Distribution Article

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Engineering 2015, Volume 1, Issue 3,   Pages 391-398 doi: 10.15302/J-ENG-2015063

Abstract: Therefore, we propose a new structural optimization and velocity-planning method for the precision positioningof a high-acceleration mechanism based on optimal spatial and temporal distribution of inertial energyusing equivalent static loads method (ESLM), and then we selected the modified ESLM for optimal spatial distributionFor velocity planning, we developed a new velocity-planning method based on nonlinear dynamic-responsestructural optimization and the positioning time could be reduced by more than 40% via asymmetric variable velocity

Keywords： high-acceleration low-load mechanism     precision positioning     spatial and temporal distribution     inertialenergy     equivalent static loads method (ESLM)     velocity planning    

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High velocity impact of metal sphere on thin metallic plate using smooth particle hydrodynamics (SPH)

Hossein ASADI KALAMEH, Arash KARAMALI, Cosmin ANITESCU, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 101-110 doi: 10.1007/s11709-012-0160-z

Abstract: The modeling of high velocity impact is an important topic in impact engineering.The goal is to study the most sensitive input parameters (impact velocity and plate thickness) on the

Keywords： smoothed particle hydrodynamics     high velocity impact     sensitivity analysis    

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Experimental study on velocity characteristics of recirculation zone in humid air non-premixed flame

GU Xin, ZANG Shusheng, GE Bing

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 140-144 doi: 10.1007/s11708-008-0037-y

Abstract: examine the effect of the flow field within the recirculation zone on flame structure, the characteristic velocitydistance of the two stagnation points in humid air combustion shortens, and the minimal dimensionless velocityanalysis of axial minimal velocities on the centerline and their positions under different co-flow air velocityconditions reveals that fuel-to-air velocity ratio is the crucial parameter that governs humid air combustion

Keywords： distance     bluff-body     fuel-to-air velocity     stagnation     parameter    

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Experimental study on flow-field effect of circular gravity cage

Liu Chao,Guan Changtao,Cui Yong,Zhao Xia,Li Mengjie,Li Zhenzhen,Wang Tengteng

Strategic Study of CAE 2014, Volume 16, Issue 9,   Pages 69-77

Abstract: hydrodynamic characteristics of circular gravity cage in varied flow-field, and obtain both the flow-velocityvariations and flow-field distribution inside and around cages, four models(C1,C2,C3,C4) were designedto be measured at specific measurement points at a velocity of 0.068m/s,0.105m/s,0.143m/s,0.182m/s byOn the effect of the flow-velocity reduction ,the cages with small mesh did better than the cages withAs current flowed through multiple cages, the flow velocity was gradually reduced.

Keywords： net cage     ADV     PIV     velocity     flow-field distribution    

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definition of metabolic dysfunction-associated fatty liver disease with elevated brachial-ankle pulse wave velocity

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 714-722 doi: 10.1007/s11684-021-0888-8

Abstract: non-alcoholic fatty liver disease (NAFLD), with the progression of elevated brachial-ankle pulse wave velocity

Keywords： dysfunction-associated fatty liver disease     non-alcoholic fatty liver disease     fibrosis score     brachial-ankle pulse wave velocity    

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Theoretical study of failure in composite pressure vessels subjected to low-velocity impact and internal

Roham RAFIEE, Hossein RASHEDI, Shiva REZAEE

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1349-1358 doi: 10.1007/s11709-020-0650-3

Abstract: research for predicting the failure in internally pressurized composite pressure vessels exposed to low-velocitythis purpose, layer-wise theory is employed in a composite cylinder under internal pressure and low-velocity

Keywords： composite pressure vessel     low-velocity impact     failure     theoretical solution     progressive damage modeling    

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Title Author Date Type Operation

Effect of inlet box on performance of axial flow fans

LI Jingyin, TIAN Hua, YUAN Xiaofang

Journal Article

Investigation on available wind energy at Tungku beach

M. G. YAZDANI, M. A. SALAM

Journal Article

Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Journal Article

The Influence of Flow Velocity on Response Sensitivity of Smoke Detectors

Xie Qiyuan,Su Guofeng,Yuan Hongyong,Zhang Yongming

Journal Article

Three-dimensional numerical simulation of flow in trapezoidal cutthroat flumes based on FLOW-3D

Danjie RAN, Wene WANG, Xiaotao HU

Journal Article

Design and characteristics of electric supercharger for diesel engine acceleration by additional rapid air injection

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Prediction of the shear wave velocity

Amoroso SARA

Journal Article

Method of internal 3D flow field numerical simulation for hydrodynamic torque converter

SHANG Tao, ZHAO Dingxuan, ZHANG Yuankun, GUO Xiangen, SHI Xiangzhong

Journal Article

Discrete element method modeling of corn-shaped particle flow in rectangular hopper

He TAO, Baosheng JIN, Wenqi ZHONG, Xiaofang WANG,

Journal Article

Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial and Temporal Distribution

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Journal Article

High velocity impact of metal sphere on thin metallic plate using smooth particle hydrodynamics (SPH)

Hossein ASADI KALAMEH, Arash KARAMALI, Cosmin ANITESCU, Timon RABCZUK

Journal Article

Experimental study on velocity characteristics of recirculation zone in humid air non-premixed flame

GU Xin, ZANG Shusheng, GE Bing

Journal Article

Experimental study on flow-field effect of circular gravity cage

Liu Chao,Guan Changtao,Cui Yong,Zhao Xia,Li Mengjie,Li Zhenzhen,Wang Tengteng

Journal Article

definition of metabolic dysfunction-associated fatty liver disease with elevated brachial-ankle pulse wave velocity

Journal Article

Theoretical study of failure in composite pressure vessels subjected to low-velocity impact and internal

Roham RAFIEE, Hossein RASHEDI, Shiva REZAEE

Journal Article