Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: December 2012
Authors: Wei Min Cheng, Gang Pan, Sen Cao, Xin Hua Zhang, Wen Nie
The simulation results of each measuring point are basically consistent with the field measurement results.
The total simulation value and fact value at 320 m3/min and 600 m3/min, are represented by S320, M32 and S600, M600.
Fig. 5 Dust concentration of simulation value and fact value The results can be seen from figure 5 When the total amount of pumping air are 600m3/min and 320m3/min, at each measuring point, the simulation results are consistent with the measured values, which shows the simulation results can more accurately reflect dust diffusion laws with different ventilations in heading face.
Journal of China Coal Society, Vol. 32 No.4, pp.386-390 (2007) [6] Nakayama S., Uehino K., Inoue M. 3 Dimensional flow measurement at heading face and application of CFD.
Numerical simulation of vortex Air curtain suction dust control system and its applications.
The total simulation value and fact value at 320 m3/min and 600 m3/min, are represented by S320, M32 and S600, M600.
Fig. 5 Dust concentration of simulation value and fact value The results can be seen from figure 5 When the total amount of pumping air are 600m3/min and 320m3/min, at each measuring point, the simulation results are consistent with the measured values, which shows the simulation results can more accurately reflect dust diffusion laws with different ventilations in heading face.
Journal of China Coal Society, Vol. 32 No.4, pp.386-390 (2007) [6] Nakayama S., Uehino K., Inoue M. 3 Dimensional flow measurement at heading face and application of CFD.
Numerical simulation of vortex Air curtain suction dust control system and its applications.
Online since: August 2015
Authors: Wongsarivej Pratarn, Supachart Pakpoom, Kruakaew Prarop, Swasdisevi Thanit
All parameters were simulated using computational fluid dynamic, CFD.
In addition, the fluid-particle interaction was considered in these simulations.
The average particle size of 205 mm was applied to be the representative particle in all simulations.
Effect of inlet diameter on separation efficiency from the simulations The plot of simulation results between separation efficiency and feed flow rate at various inlet diameters of 5, 6, and 7 mm were shown in Fig. 6.
Effect of body diameter on separation efficiency from the simulations The simulation of body diameter affecting on the separation efficiency of hydrocyclone was also studied as shown in Fig. 9.
In addition, the fluid-particle interaction was considered in these simulations.
The average particle size of 205 mm was applied to be the representative particle in all simulations.
Effect of inlet diameter on separation efficiency from the simulations The plot of simulation results between separation efficiency and feed flow rate at various inlet diameters of 5, 6, and 7 mm were shown in Fig. 6.
Effect of body diameter on separation efficiency from the simulations The simulation of body diameter affecting on the separation efficiency of hydrocyclone was also studied as shown in Fig. 9.
Online since: May 2012
Authors: Wu Yuan, Chao Yan, Jian Yu, Ke Xi
A New Composite Method of Hole Cutting
WU Yuan1, a, Chao Yan1,b , Jian Yu1,c and Ke Xi1,d
1Beijing University of Aeronautics and Astronautics, Beijing, China
axhhimhoy@163.com
bchyan@vip.sina.com
cswordfish612@163.com
dcauchy86@163.com
Keywords: CFD, chimera, hole cutting, hole-map, ADT
Abstract.
The simulation condition is: Ma=3.0, Height=10km, angle of attack=0.
The overlapping grid of submunition and the isoline of flow simulation are presented in Fig.12.
The overlap grid and isolines of flow simulation Summary In this paper, the traditional hole-map method is analyzed, indicating there are two major flaws exist in terms of storage and reliability.
[10] Buning P: Numerical algorithms in CFD post-processing, Computer Graphics and Flow Visualization in Computational Fluid Dynamics, Lecture Series 1989-07, Von Karman Institute for Fluid Dynamics, Brussels, Belgium, 1989
The simulation condition is: Ma=3.0, Height=10km, angle of attack=0.
The overlapping grid of submunition and the isoline of flow simulation are presented in Fig.12.
The overlap grid and isolines of flow simulation Summary In this paper, the traditional hole-map method is analyzed, indicating there are two major flaws exist in terms of storage and reliability.
[10] Buning P: Numerical algorithms in CFD post-processing, Computer Graphics and Flow Visualization in Computational Fluid Dynamics, Lecture Series 1989-07, Von Karman Institute for Fluid Dynamics, Brussels, Belgium, 1989
Online since: February 2013
Authors: Ting Lin Huang, Wei Li Zhao, Xin Sun
There are several challenges to investigate the flow characteristics around water-lifting aerator in the physical pilot model and in the stratified source reservoir, but computational fluid dynamics (CFD) method is an important and useful tool for investigating this kind of water environment problem.
Numerical Simulation Methods Model of calculated region.
A two-dimensional axisymmetrical simulation model of flow domain, and the right half of the simulation model was used.
The temperature of water-inlet of simulation domain defined by an UDF is the average value of temperature of water-outlet of simulation domian at the previous simulation time.
Methods of numerical simulation and data analyses.
Numerical Simulation Methods Model of calculated region.
A two-dimensional axisymmetrical simulation model of flow domain, and the right half of the simulation model was used.
The temperature of water-inlet of simulation domain defined by an UDF is the average value of temperature of water-outlet of simulation domian at the previous simulation time.
Methods of numerical simulation and data analyses.
Online since: November 2013
Authors: Tao Shang, Yong Ming Yao, Shun An Liu, Yao Lu, Lu Hong Yang, Xu Hui Zhou
Then simulation of the device had been done in order to optimize the design.
The results of simulation indicated the device added to fluid system could reduce cavitation noise effectively.
The impacts on the internal flow field of valve are studied by perforated pipes and apron through simulation analysis. 3.2 Simulation The flow field near perforations is the focus of analysis.
Velocity field, pressure field and gas volume ratio after the occurrence of cavitation were obtained by simulation.
Multiphase CFD of Natural Ventilated Cavitation about Submegred Bodies.
The results of simulation indicated the device added to fluid system could reduce cavitation noise effectively.
The impacts on the internal flow field of valve are studied by perforated pipes and apron through simulation analysis. 3.2 Simulation The flow field near perforations is the focus of analysis.
Velocity field, pressure field and gas volume ratio after the occurrence of cavitation were obtained by simulation.
Multiphase CFD of Natural Ventilated Cavitation about Submegred Bodies.
Online since: August 2015
Authors: Petra Tichá, Jiří Souček
Computer simulation plays major role in determining air flow, which can cause negative influence within historic buildings such as high level of moisture, fungus, chemical reactions etc.
Computer simulation Air flow in interior was computed in CFD software called Comsol.
This simulation can predict critical areas with low air flow velocity.
Computer simulation Air flow in interior was computed in CFD software called Comsol.
This simulation can predict critical areas with low air flow velocity.
Online since: June 2015
Authors: Tomohisa Kato, Toru Ujihara, Hajime Okumura, Kazuhisa Kurashige, Kuniharu Fujii, Koichi Takei, Nachimuthu Senguttuvan, Masahiko Hiratani, Yuji Matsumoto, Masahiro Aoshima
The solution flow simulation indicated that the higher rotation rate made the outward solution flow ordered beneath the solution surface.
Steady-state flow and thermal distribution were simulated using the CFD software FLUENT under the condition of turbulence model.
The simulation of temperature distribution indicated that the hollow-type graphite rod reduced the lateral temperature gradient at the SiC-solution interface.
Gunji of Hitachi Chemical Co., Ltd. for thermal and solution flow simulation.
Steady-state flow and thermal distribution were simulated using the CFD software FLUENT under the condition of turbulence model.
The simulation of temperature distribution indicated that the hollow-type graphite rod reduced the lateral temperature gradient at the SiC-solution interface.
Gunji of Hitachi Chemical Co., Ltd. for thermal and solution flow simulation.
Online since: September 2013
Authors: Hong Kun He, Guang Yu Li, Shuang Qi Yang, Hong Min Gao
In this study, numerical simulation of XCP probe was executed.
Xiao Hong [3] made the numerical simulation on the drag coefficient of XBT probe.
In this paper, the flow field of XCP probe was computed by using the test model provided by National Oceanic Center, and by applying two-equations turbulence model in the CFD software.
Numerical simulation method A.
Numerical Simulation of Flow Field for Underwater Vehicle During Empennage-Expanding [J].
Xiao Hong [3] made the numerical simulation on the drag coefficient of XBT probe.
In this paper, the flow field of XCP probe was computed by using the test model provided by National Oceanic Center, and by applying two-equations turbulence model in the CFD software.
Numerical simulation method A.
Numerical Simulation of Flow Field for Underwater Vehicle During Empennage-Expanding [J].
Online since: May 2011
Authors: Zhen Hao Liu, Fen Wan, Jing Fang Xie, Xiao Yong Peng, Lin Yao
Numerical Simulation Method.
Numerical simulation of the flow field and the poison gas diffusion indoor has two steps: First, numerical simulation of the steady flow field indoor.
Fig.4 Mesh generation Numerical Simulation of the Flow Field Indoor.
Pollutant dispersion in a large indoor space, Part 2 - Computational Fluid Dynamics (CFD) predictions and comparison with a scale model experiment for isothermal flow.
Gadgil, Couple model for simulation of indoor airflow and pollutant transport.
Numerical simulation of the flow field and the poison gas diffusion indoor has two steps: First, numerical simulation of the steady flow field indoor.
Fig.4 Mesh generation Numerical Simulation of the Flow Field Indoor.
Pollutant dispersion in a large indoor space, Part 2 - Computational Fluid Dynamics (CFD) predictions and comparison with a scale model experiment for isothermal flow.
Gadgil, Couple model for simulation of indoor airflow and pollutant transport.
Online since: August 2013
Authors: Jing Bo Gao, Cong Wang, Zhuang Miao, Wei Yao Zhang
Numerical Research on Dynamic Response of Underwater Vehicles in the Vertical Tube-Exit Stage
Zhang WeiYao1, a, Gao JingBo1, b, Miao Zhuang1, c and Wang Cong1, d
1School of Astronautics, Harbin Institute of Technology, Harbin, 150001, China
a536457502@qq.com, bgaojb@hit.edu.cn, cmiaozhuangjl@163.com, dalanwang@hit.edu.cn
Keywords: underwater vehicles; hydrodynamic pressure; FEM simulation; dynamic response
Abstract.
With numerical simulation, its dynamic response is obtained.
One kind is that the flow field kinetic equation and the vehicle structural dynamics equation are simultaneously solved [6], such as by means of FEM + CFD with a third party interface software MPCCI to achieve the numerical calculation [7, 8].
NUMERICAL SIMULATION ON THE TUBE-EXIT LOAD CHARACTERISTICS OF SUBMARINE-LAUNCHED VEHICLE [D].
DEVELOPMENT OF A TIME-VARYING ADDED MASS METHOD IN THE SIMULATIONS OF THE WATER-EXIT PROCESS OF UNDERWATER VEHICLES [J].
With numerical simulation, its dynamic response is obtained.
One kind is that the flow field kinetic equation and the vehicle structural dynamics equation are simultaneously solved [6], such as by means of FEM + CFD with a third party interface software MPCCI to achieve the numerical calculation [7, 8].
NUMERICAL SIMULATION ON THE TUBE-EXIT LOAD CHARACTERISTICS OF SUBMARINE-LAUNCHED VEHICLE [D].
DEVELOPMENT OF A TIME-VARYING ADDED MASS METHOD IN THE SIMULATIONS OF THE WATER-EXIT PROCESS OF UNDERWATER VEHICLES [J].