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Online since: August 2013
Authors: Chong Wang, Zhi Hong Zhang, Bao Ren Li, Lei Gao, Qi Jie Li, Jian Nong Gu
Via analysis and calculation by CFD software, the results show that the pump can improve the glider’s resultant velocity and its horizontal velocity effectively.
Via analysis and calculation by CFD software, the following coefficients have been fitted.
Simulation and experiment results The simulation results are shown in the Fig.4, Fig.5 and Fig.6 respectively.
The experiment results are consistent with the simulation results in Fig.6.
It has been confirmed the simulation method is accurate.
Online since: October 2013
Authors: A. Minotti, F. Cozzi, F. Capelli
CH4/air Mesocombustor at 3 Bar: Numerical Simulation and Experiments A.
Finally they compared the experimental results to CFD simulations with a global 1-step kinetics [24].
A steady RANS simulation is carried out in FLUENT.
The simulation was carried on with a finite-volume, pressure-based solver (from the Ansys 13 CFD software).
Vlachos: Combustion characteristics and flame stability at the microscale: a CFD study of premixed methane/air mixtures, Chem.
Online since: August 2012
Authors: Jing Ping Wu, Shun Huai Chen, Ji Cheng Xiao
Numerical Calculation of the Pressure Distributions on a Rudder Surface Jing-ping WU 1, a, Shun-huai Chen2,b and Ji-cheng Xiao 3,c 1 Wuhan University of Technology, Wuhan 430063,China 2 Wuhan University of Technology, Wuhan 430063,China 3Tianjin Branch of China Classification Society, Tianjin 300457, China awujp_68@yahoo.com.cn, b chenshunhuai@163.com, c jcxiao@ccs.org.cn Keywords: Pressure distribution, Viscous flow, Numerical simulation, Rudder Abstract: This paper numerically calculates the pressure distributions of a rudder of a ship for structure strength design.
With the rapid development of computer technology and CFD (Computational Fluid Dynamics), numerical simulations of viscous flows around rudders are actively conducted, for example, the researches of Qiu, Zou and Zhang (2003) [1], Wang and Ye (2006) [2], etc.
Meanwhile, the commercial CFD softwares for viscous flow, such as FLUENT, FLOW3D, CFX and Star CD etc., are widely applied to practical engineering.
(a) NACA0020 (b) NACA0012[4] Fig. 3 The curve of Cp versus Rex or x 3D Simulation of The Rudder Computing Model and Mesh.
Clarke: Simulation of a wing body junction experiment using the Fluent code.Platforms Science Laboratory, Defence Science and Technology Organization, Department of Defence, Australia Government.
Online since: January 2016
Authors: Luděk Beneš, Viktor Šíp
Patton: Three-dimensional scalar microfront systems in a large-eddy simulation of vegetation canopy flow.
CFD modelling and wind tunnel validation of airflow through plant canopies using 3D canopy architecture.
Kozel: Numerical simulation of the neutrally stratified ABL flow over complex geometry.
Stathopoulos: Turbulent Schmidt numbers for CFD analysis with various types of flowfield.
Zhang: Modeling near-road air quality using a computational fluid dynamics model, CFD-VIT-RIT.
Online since: November 2012
Authors: Hussain Hamoud Al-Kayiem, Tawfeeq W. Salih, Dhinakaran Govindasamy
The numerical, and consequently the CFD techniques have been found to be a powerful tool to analyze the supersonic intakes and flow field within the parts of the intake to improve the design and the performance of the aero engines.
Ref. [4] solved the governing equations and boundary conditions using flow simulation software FLUENT.
The internal part of the intake is analysed by CFD technique based on finite difference approximation.
The external part is solved by using the isentropic one dimensional gas dynamics relations, while the internal part of the flow field is modelled and simulated using CFD techniques.
Coupled Analytical/Numerical Simulation Procedure In the present analysis, the flow field is subdivided into two parts.
Online since: December 2012
Authors: M.N. Anas, S. Rad, M. Normahira
Computational fluid dynamics (CFD) has been used before to model porous medium flow in scaffolds and bioreactors [3].
It must be noted that the simulations was conducted without scaffolds because he wants to determine appropriate locations for placing the scaffolds.
However, for the CFD simulation, the scaffold is designed by using SolidWorks 2011.
The fourth step is setting up the CFD simulation.
The fluid flow analysis has been conducted by using CFD, ANSYS Fluent.
Online since: November 2014
Authors: Jia Xin Li, Jing Liu, Yong Ma
Numerical Analysis of Hydrodynamic on Tidal Current Energy Extraction under Marine Platform Liu Jing1, a Ma Yong2, b Li Jiaxin3, c 1,2,3 Harbin Engineering University, Harbin, Heilongjiang, 150001 , China a,b,c980705492@qq.com Keywords: Tidal Current Energy, Tidal Current Energy Generator, Extraction of Hydrodynamic, Numerical Simulation Abstract.
In this paper, different numerical methods on tidal current energy extraction of near-field and far-field hydrodynamic response are used to conduct simulation study.
And the following aspects are used for simulation, including CFD model is used to establish three-dimensional numerical flume, layout plan of more tidal current energy electric generator with different spaces is designed, changes in near-field hydrodynamic are stimulated as well as the calculated results are compared and analyzed, in order to more clearly understand the influence of tidal current energy generator to the surrounding water flow, which has a certain guiding function for the optimization of tidal current energy generator group and protection for the marine environment and ecology.
Numerical Study of Hydrodynamic Response of Generator Tidal Current Energy CFD Model:Fluent is based on the finite volume method (FVM) to solve the governing equation, and it can be combined with other physical models, such as seepage model, multiphase flow model and others.
For more accurate simulation of tidal current energy extraction effect on water level, this paper uses the VOF multiphase flow model in Fluent to process free surface.
Online since: August 2013
Authors: Xiao Ping Huo, Jia Yu Hu, Dan Li
The size of the simulation area is 40m×67m×9m.
Simulation Results and Comparison of Natural Ventilation 4.1.
Through comprehensive comparison and analysis, results can be concluded that the simulation results are consistent with the test data before. 4.2 Simulation after the Window Sizes Changed The simulation is based on the expansion of magnifying the window sizes of the north and south.
Conclusion With the help of a CFD simulation technology, this paper establishes the mathematical model and simulation models of the indoor air flow. 
The indoor natural ventilation and thermal comfort based on the CFD simulation.
Online since: November 2012
Authors: Ze Yi Jiang, Yu Liang Wu, Xin Xin Zhang
A mathematical model of complex thermal processes with combustion, radiation and flow in rotary hearth furnace (RHF) for pellet direct reduction is established with CFD commercial software Fluent.
The numerical simulation of temperature field and flow field in RHF is widely carried out in steel rolling process[3].
For the accuracy of simulation, the mesh of burners, nozzles, pellets, feeding port and discharging port are local refined.
Numerical Simulation Method.
[3] Xiaobin Yang, Zeyi Jiang, Lin Lin, Xinxin Zhang, Lixin Yang, Haiyan Zhang: CFD Numerical Simulation of Thermal Process of Rotary Furnace and Its Application.
Online since: July 2011
Authors: Ni Gao, Bo Wang, Shu Zheng Sun
In recent years, advanced computer and the mature computational fluid dynamics (CFD) commercial software developed fast, and using the CFD software to acquire hydrodynamic coefficients has the advantages of low cost, variable parameter, shorter time-consuming.
Steady-state maneuverability experiment simulation The simulation of PMM experiment includes steady –state motion simulation and unsteady-state motion simulation .Some parameters in the steady-state test simulation by Fluent should be set as follows: choose the first order implicit solver, SST turbulent model; choose SIMPLEC to compute velocity-pressure coupling; Pressure discretization is Standard and momentum discretization, turbulence kinetic energy discretization and specific dissipation rate are second order upwind.
Unsteady-state maneuverability experiment simulation The unsteady-state maneuverability experiment simulation includes heave motion, sway motion, pitch motion and yaw motion.
The results and the analysis 4.1 All the simulation of experiment is completed.
Hydrodynamic prediction results by simulation system The hydrodynamic coefficients of calculation are used to the simulation system of movement. 5.1 Straight course in horizontal plan.
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