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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    

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Modeling and simulation analysis on parallel hybrid air-fuel vehicle

Pinglu CHEN, Xiaoli YU, Xianghong NIE, Yidong FANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 553-559 doi: 10.1007/s11708-010-0008-y

Abstract: Based on the vehicle simulation software ADVISOR, the model of a parallel air-fuel hybrid vehicle wasestablished, and the modeling of an air powered engine (APE), heat exchanger, braking air tank and controlemissions could be decreased greatly compared with the traditional diesel car, while the compressed airUsing the diesel equivalent as the indicator of fuel economy, the hybrid vehicle could improve the fueltheoretical basis and research platform in optimizing the key components and control strategy of hybrid air-fuel

Keywords： air powered engine     hybrid vehicle     internal combustion engine     simulation    

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Fuel type preference of taxi driver and its implications for air emissions

Feng WANG,Beibei LIU,Bing ZHANG,Jun BI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 702-711 doi: 10.1007/s11783-014-0665-x

Abstract: Natural gas became an available fuel for taxis in 2005 and had occupied a market share of 43.6% in taxireplacement pattern as well as the pollutants reduction potential of the taxi industry, first, the fuelDifferent from the previous studies which focused on the early stage of cleaner fuel replacement, taxiConsidering life cycle emissions, the following air pollutants, namely Greenhouse Gases (GHGs), carbonicfleets powered by natural gas with local policy intervention, the energy conservation and the five major air

Keywords： fuel preference     energy replacement     environmental impacts     taxi    

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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    

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Zinc Air Fuel Cell Power Station

Zhu Mei,Xu Xianzhi,Su Run

Strategic Study of CAE 2004, Volume 6, Issue 12,   Pages 62-64

Abstract:

More and more people pay attention to the electric power generation technology using fuel cells.The zinc-air fuel cell power station technology is introduced in this paper.

Keywords： fuel cell     zinc-air fuel cell     detachable electrode     single cell     separation circulation technology    

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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    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: Liquefied natural gas (LNG), mainly composed of methane, is in progress to substitute diesel fuel inTo investigate the effect of air-fuel equivalence ratio and pre-mixed pressure on pre-chamber TJI ofmethane/air mixtures with multiple orifices in a large bore volume, experimental tests and computationalDifferent initial pressures and air-fuel equivalence ratios were considered to analyze the characteristics

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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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)    

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Emission components characteristics of a bi-fuel vehicle at idling condition

Sameh M. METWALLEY, Shawki A. ABOUEL-SEOUD, Abdelfattah M. FARAHAT

Frontiers in Energy 2011, Volume 5, Issue 3,   Pages 322-329 doi: 10.1007/s11708-011-0158-6

Abstract: current spreading of compressed natural gas (CNG) fuelled spark ignition (SI) engine, above all in the bi-fuelTwo different fuel injection systems (i.e., multi-point injection (MPI)-sequential and closed-loop venturi-continuousThe results indicate that the CNG shows low air index and lower emissions of carbon monoxide (CO), carbon

Keywords： road vehicle engine     fuel injection systems     carbon monoxide (CO)     carbon dioxide (CO2)     totalhydrocarbon (THC)     vehicle idle conditions     air index    

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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    

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Applicability of high dimensional model representation correlations for ignition delay times of n-heptane/air

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 367-376 doi: 10.1007/s11708-018-0584-9

Abstract: model representation (RS-HDMR) methods were employed to predict the ignition delay times of n-heptane/airA detailed n-heptane chemical mechanism was used to calculate the fuel ignition delay times in the adiabaticcorrelations had a satisfactory prediction accuracy in general for the ignition delay times of the n-heptane/air

Keywords： ignition delay     random sampling     high dimensional model representation     n-heptane     fuel kinetics    

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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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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    

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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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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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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

Modeling and simulation analysis on parallel hybrid air-fuel vehicle

Pinglu CHEN, Xiaoli YU, Xianghong NIE, Yidong FANG

Journal Article

Fuel type preference of taxi driver and its implications for air emissions

Feng WANG,Beibei LIU,Bing ZHANG,Jun BI

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

Zinc Air Fuel Cell Power Station

Zhu Mei,Xu Xianzhi,Su Run

Journal Article

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

YAO Chun-de, ZHOU Hong-xiu

Journal Article

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constantvolume chamber: effect of air-fuel equivalence ratio and pre-mixed pressure

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

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

Emission components characteristics of a bi-fuel vehicle at idling condition

Sameh M. METWALLEY, Shawki A. ABOUEL-SEOUD, Abdelfattah M. FARAHAT

Journal Article

An Enhanced Physically Based Scour Model for Considering Jet Air Entrainment

Rafael Duarte,António Pinheiro,Anton J. Schleiss

Journal Article

Applicability of high dimensional model representation correlations for ignition delay times of n-heptane/air

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

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

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

Journal Article