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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 velocityHowever, the distance of the two stagnation points in humid air combustion shortens, and the minimaldimensionless velocity increases compared with the conventional non-humid air combustion.velocity conditions reveals that fuel-to-air velocity ratio is the crucial parameter that governs humidair combustion flame characteristics.

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

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

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    

CFD simulation of the hydrodynamics in an internal air-lift reactor with two different configurations

Mona EBRAHIMIFAKHAR, Elmira MOHSENZADEH, Sadegh MORADI, Mostafa MORAVEJI, Mahmoud SALIMI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 455-462 doi: 10.1007/s11705-011-1116-x

Abstract: Water was utilized as the continuous phase and air in the form of bubbles was applied as the dispersedSimulated gas holdup and liquid circulation velocity results were compared with experimental data.

Keywords: airlift reactor     gas holdup     liquid circulation velocity     bubbly flow     computational fluid dynamics (CFD)    

An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Engineering 2016, Volume 2, Issue 3,   Pages 294-301 doi: 10.1016/J.ENG.2016.03.003

Abstract:

Based on systematic experiments on the influence of air entrainment on rock block stability in plungepools impacted by high-velocity jets, this study presents adaptations of a physically based scour modelphysical-mechanical processes involved in scour formation concerning the three phases; namely, water, rock, and airdecrease of energy dissipation in the jet diffusive shear layer, both resulting from the entrainment of airmodified maximum dynamic impulsion coefficient, which was found to be a constant value of 0.2 for high-velocity

Keywords: Air entrainment     Uplift     Rock scour     Dam safety     High-velocity jets     Block stability     Scour assessment    

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    

Flow, thermal, and vibration analysis using three dimensional finite element analysis for a flux reversal generator

B. VIDHYA,K. N. SRINIVAS

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 424-440 doi: 10.1007/s11708-016-0423-9

Abstract: three-dimensional finite element analysis (FEA) based CFD technique for finding the spread of pressure and airvelocity in air regions of the FRG is described.

Keywords: flux reversal generator     air velocity     computation fluid dynamics     thermal analysis     vibration analysis     finite    

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    

WC coatings as candidate to hard chrome plating: characterization of fatigue and friction and wear

Zhou Kesong,Deng Chunming,Liu Min

Strategic Study of CAE 2009, Volume 11, Issue 10,   Pages 48-54

Abstract:

Fatigue and friction and wear performances against Al—Ni—Bronze alloy for bare and coated 300 M steel were investigated with the application of WC coating into landing gear as background in this paper. The results indicated that both WC-17Co and WC-10Co4Cr coated 300 M steel exhibited comparable fatigue limit and cycles to fatigue failure with those of bare 300 M steel; while the fatigue limit and cycles to fatigue failure of 300 M steel were decreased by 120 MPa and 70 %~90 % respectively when 300 M steel was plated with chrome plating. The effect of coating on the fatigue property of 300 M steel was attributed to the propagation of fatigue crack in coating. Fatigue crack in WC coating deflected along the interface between WC coating and 300 M steel; while fatigue crack in chrome plating propagated into 300 M steel, provided as a sub-crack initiator and hastened the propagation of main fatigue crack in 300 M steel and finally led to the decrease of cycles to fatigue failure of 300 M steel. Friction and wear behaviors of coatings against Al—Ni—Bronze alloy lubricated by 10# aircraft hydraulic oil revealed that great volume loss was observed for Al—Ni—Bronze alloy and obvious mass gain was found for chrome plated 300 M steel when chrome plating was against Al—Ni—Bronze alloy; slight volume loss was obtained for WC coating, and the volume loss of Al—Ni—Bronze alloy against WC coating was only 1/50~1/100 of Al—Ni—Bronze alloy against chrome plating at all the three loads. The wear mechanism for WC coating and chrome plating against Al—Ni—Bronze alloy was respectively governed by abrasive wear and adhesive wear.

Keywords: 300 M steel     high velocity air fuel     WC coating     chrome plating     fatigue     friction and wear    

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    

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    

Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 190-200 doi: 10.1007/s11465-019-0537-y

Abstract: by two piezo-ceramic layers that act as a sensor and an actuator coupled with a constant gain active velocityAVFC, provided by the piezoelectric layers, affects the structural damping of the system through the velocity

Keywords: topology optimization method     bi-material piezoactuator     active velocity feedback control     time-domain transient    

seismic liquefaction and performing parametric sensitivity analysis: Considering cumulative absolute velocity

Nima PIRHADI, Xiaowei TANG, Qing YANG, Afshin ASADI, Hazem Samih MOHAMED

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 506-519 doi: 10.1007/s11709-021-0677-0

Abstract: Among all earthquake parameters, the standardized cumulative absolute velocity ( ) exhibits the largest

Keywords: lateral spreading displacement     cumulative absolute velocity     fine content     artificial neural network     sensitivity    

Several Theoretical Problems in Faster-than-Light Research

Huang Zhixun,Geng Tianming

Strategic Study of CAE 2007, Volume 9, Issue 4,   Pages 6-17

Abstract: style="text-align: justify;">In the early stage of the universe, during the hadronic era, the light velocityThis implies that light velocity has been decreasing in time slowly, from v down to the present valueThis paper also discusses some problems of faster-than-light research profoundly, such as the velocitydefinition of the microscopic particles, the velocity of gravitation, the interaction speed of the quantum-entangle-state

Keywords: variable light velocity     faster-than-light     velocity of microscopic particles     velocity ofgravitation     interaction    

Accounting for the uncertainties in the estimation of average shear wave velocity using – correlations

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1199-1208 doi: 10.1007/s11709-021-0749-1

Abstract: Shear wave velocity ( V S) is a key parameter in such analysis, although the economyFurther, the average shear wave velocity of the top 30 m soil cover ( V S30) is estimated

Keywords: uncertainties     V SN correlations     V S30     SPT data     statistical methodology    

Intercontinental transport of air pollution

Lin ZHANG,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 1,   Pages 20-29 doi: 10.1007/s11783-010-0014-7

Abstract: There is an increasing interest on the intercontinental transport of air pollution among the three mainAir pollutants with sufficient long lifetime can be transported from one continent to another.from ground sites, aircraft and satellites have demonstrated this intercontinental-scale transport of airmodeling studies of intercontinental transport of ozone and its precursors, and the resulting impacts on air

Keywords: intercontinental transport     ozone     air pollution    

Title Author Date Type Operation

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

GU Xin, ZANG Shusheng, GE Bing

Journal Article

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

YAO Chun-de, ZHOU Hong-xiu

Journal Article

CFD simulation of the hydrodynamics in an internal air-lift reactor with two different configurations

Mona EBRAHIMIFAKHAR, Elmira MOHSENZADEH, Sadegh MORADI, Mostafa MORAVEJI, Mahmoud SALIMI

Journal Article

An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Journal Article

Prediction of the shear wave velocity

Amoroso SARA

Journal Article

Flow, thermal, and vibration analysis using three dimensional finite element analysis for a flux reversal generator

B. VIDHYA,K. N. SRINIVAS

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

WC coatings as candidate to hard chrome plating: characterization of fatigue and friction and wear

Zhou Kesong,Deng Chunming,Liu Min

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

Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Journal Article

seismic liquefaction and performing parametric sensitivity analysis: Considering cumulative absolute velocity

Nima PIRHADI, Xiaowei TANG, Qing YANG, Afshin ASADI, Hazem Samih MOHAMED

Journal Article

Several Theoretical Problems in Faster-than-Light Research

Huang Zhixun,Geng Tianming

Journal Article

Accounting for the uncertainties in the estimation of average shear wave velocity using – correlations

Journal Article

Intercontinental transport of air pollution

Lin ZHANG,

Journal Article