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Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 428-434 doi: 10.1007/s11708-007-0062-6

Abstract: Experiments were performed to investigate the differences between the propane/air turbulent diffusionreactive flows past bluff-body and the propane/humid air turbulent diffusion reactive flows in the same

Keywords： propane/humid     propane/air turbulent     bluff-body     turbulent diffusion    

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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: A combustion enhancement technique called pre-chamber turbulent jet ignition (TJI) can permit combustionTo 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 characteristicsThe asymmetry of the turbulent jet actuated from six different orifices were found due to the asymmetric

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

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A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propane

Jie JI, Junrui DUAN, Huaxian WAN

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1017-1026 doi: 10.1007/s11708-020-0716-x

Abstract: Experiments were conducted using three burners with identical heat release rates (HRRs) and propane asinside and outside of the flame), a quantitative analysis of the flame height, merging point height, and airMoreover, the multi-point source model was further improved, and radiation fraction of propane was calculatedThe data obtained in this study would play an important role in calculating the external radiation of propane

Keywords： flame interaction     air entrainment     flame height     multi-point source model     thermal radiation    

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Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 524-527 doi: 10.1007/s11708-008-0099-x

Abstract: The pressure pulse filter and Smagorinsky sub-grid stress model of the Large Eddy Simulation (LES) are introduced. The fluid field in the annular plenum between the pressure vessel and the core barrel of the1:5 model in the second phase of Qinshan Nuclear Power Plant is simulated, and the distribution of the total pressure in the space and time domains is obtained. The results show that the Power Spectrum Density (PSD) of LES from the calculation and the test are in the same quantity order. Thus, the pressure of LES can be a load to stimulate the barrel vibration.

Keywords： Spectrum Density     Smagorinsky sub-grid     vibration     calculation     Qinshan Nuclear    

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Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 320-325 doi: 10.1007/s11708-008-0041-2

Abstract: Numerical simulation of three-dimensional turbulent flow in a multistage axial compressor blade row isA high resolution, third-order ENN scheme is adopted to catch the shockwave and simulate the turbulent

Keywords： simulation     compressor     multistage     third-order     three-dimensional turbulent    

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stabilization effect of Al2O3 on unconventional Pb/SiO2 catalyst for propane

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1423-1429 doi: 10.1007/s11705-023-2315-y

Abstract: Similar to Sn, Pb located at the same group (IVA) in the periodic table of elements, can also catalyze propane

Keywords： Pb/SiO2     Al2O3     propane dehydrogenation     propene     stability    

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URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 404-411 doi: 10.1007/s11708-011-0165-7

Abstract: In this paper, the turbulent flow with different Reynolds number (5000–215000) and different pitch-to-diameterThe effects of the Reynolds number and the bundle geometry ( / ) on wall shear stress, turbulent kineticenergy, turbulent mixing and large scale coherent structure in tight lattice are analyzed in details

Keywords： tight rod bundle     flow structure     unsteady Reynolds averaged Navier Stokes (URANS)    

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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
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Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 18-24 doi: 10.1007/s11709-009-0009-2

Abstract: paper proposes a general scheme for safety and serviceability assessment of high-rise tower crane to turbulent

Keywords： tower crane     buffeting response     wind velocity     modeling    

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The Ejection and Sweep in the Wall Region of a Turbulent Boundary Layer Under Adverse Pressure Gradient

Zhang Qiang,Lu Lipeng

Strategic Study of CAE 2003, Volume 5, Issue 11,   Pages 47-50

Abstract:

The evolution of coherent structures in the wall region of a turbulent boundary layer under adverse

Keywords： coherent structures     turbulent boundary layer     adverse pressure gradients     direct numerical simulation    

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Analysis of Coherent Structures in a Turbulent Boundary Layer With Pressure Gradients

Lu Lipeng,Li Zhaorui

Strategic Study of CAE 2002, Volume 4, Issue 11,   Pages 50-56

Abstract: By using the method of direct numerical simulation, the coherent structures in the wall region of a turbulent

Keywords： coherent structures     turbulent boundary layer     pressure gradients     direct numerical simulation (DNS)    

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High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 77-82 doi: 10.1007/s11705-017-1684-5

Abstract: paper, we performed a high-precision diffusion measurement of the diffusion behavior of ethane and propaneThe diffusions of ethane and propane over fresh and coked SAPO-34 zeolites with different crystal sizesEthane and propane show different diffusion behavior in SAPO-34.diffusion of ethane is almost not influenced by the crystal size and coke percentage, whereas that of propaneresults show that the surface diffusion plays a key role in the diffusion process of both ethane and propane

Keywords： diffusion measurement     methanol-to-olefin process    

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A New Explicit Equation for Calculating the Friction Factor for the Turbulent Flow in Pipes

Wang Yong,Yuan Qi

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 83-88

Abstract:

The friction factor for the turbulent flow in pipes is the binary nonlinear function of Reynolds numberequation with the above method, a new explicit equation for calculating the friction factor for the turbulent

Keywords： turbulent flow     friction factor     implicit Colebrook equation     genetic algorithms     intelligent fitting method    

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Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1445-1461 doi: 10.1007/s11709-020-0648-x

Abstract: In this paper, we report the turbulent flow structures and the scour geometry around two piers with differentUpstream of the piers near the bed, the moments, turbulent kinetic energy (TKE), and TKE fluxes were

Keywords： scour     seepage     Strouhal number     tandem arrangement     turbulent characteristics    

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Algebraic-stress Turbulent Model of Planar 2-D Pollutant Convection-Diffusion in Curvilinear Coordinates

Wu Xiuguang,Shen Yongming,Wang Min,Yang Zhifeng

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 60-64

Abstract: The anisotropic algebraic-stress turbulent model is introduced to simulate the turbulence items, andalgebraic-stress turbulent model of planar 2-D pollutant convection-diffusion in curvilinear coordinatesthis model and that of the k-ε model shows the model in the paper is superior to k-ε turbulent

Keywords： pollutant     convection-diffusion     anisotropic     algebraic-stress turbulent model     k-ε model    

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Title Author Date Type Operation

Experimental study of humid air reverse diffusion combustion in a turbulent flow field

GE Bing, ZANG Shusheng, GU Xin

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

A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propane

Jie JI, Junrui DUAN, Huaxian WAN

Journal Article

Large eddy simulation of turbulent buffet forces in flow induced vibration

XI Zhide, CHENG Bingde, LI Pengzhou

Journal Article

Numerical simulation of three-dimensional turbulent flow in multistage axial compressor blade row

JIANG Jian, LIU Bo, WANG Yangang, NAN Xiangyi

Journal Article

stabilization effect of Al2O3 on unconventional Pb/SiO2 catalyst for propane

Journal Article

URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

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

Safety and serviceability assessment for high-rise tower crane to turbulent winds

Zhi SUN, Nin HOU, Haifan XIANG

Journal Article

The Ejection and Sweep in the Wall Region of a Turbulent Boundary Layer Under Adverse Pressure Gradient

Zhang Qiang,Lu Lipeng

Journal Article

Analysis of Coherent Structures in a Turbulent Boundary Layer With Pressure Gradients

Lu Lipeng,Li Zhaorui

Journal Article

High-precision diffusion measurement of ethane and propane over SAPO-34 zeolites for methanol-to-olefin

Dali Cai, Yu Cui, Zhao Jia, Yao Wang, Fei Wei

Journal Article

A New Explicit Equation for Calculating the Friction Factor for the Turbulent Flow in Pipes

Wang Yong,Yuan Qi

Journal Article

Alluvial channel hydrodynamics around tandem piers with downward seepage

Rutuja CHAVAN, Wenxin HUAI, Bimlesh KUMAR

Journal Article

Algebraic-stress Turbulent Model of Planar 2-D Pollutant Convection-Diffusion in Curvilinear Coordinates

Wu Xiuguang,Shen Yongming,Wang Min,Yang Zhifeng

Journal Article