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Online since: December 2012
Authors: Wan Qing Wu, Xing Feng, Bin Zhang, Jian Wei Zhang, Gui Feng Yu, Wen Feng Wu
It is validated that FLUENT simulation results closer to experimental values than SLAB and DEGADIS model simulation results.
After the simulation domain settled, the simulation domain discretization is illustrated in Fig.2.
Numerical simulation Coyote trials description Coyote series trials were funded by U.S.
And the SLAB’s simulation results were closer to FLUENT’s than DEGADIS’s.
Journal of Hazardous Materials, 2007:504-517 [5] Spyros Sklavounos, Fotis Rigas, Simulation of Coyote series trials—Part I:CFD estimation of non-isothermal LNG releases and comparison with box-model predictions, [J].
Online since: November 2012
Authors: Xing Jun Hu, Xu Yan, Jian Ye, Zhi Ming Zhao, Rui Zhang
Fig.4 The overall dimensions of computational domain (unit : mm) Mesh Used for the Numerical Simulation.
Tetrahedral mesh and prismatic mesh were applied in the simulation.
A Parametric Study on the Diffuser and Ground Clearance of a Simplified Car Model using CFD.
Effect of Turbulence Parameters on Numerical Simulation of Complex Automotive External Flow Field.
Basic Course of Convection Heat Transfer Numerical Simulation using ANSYS CFX.
Online since: November 2014
Authors: Nor Azwadi Che Sidik, Reza Masoomzadeh
Kefayati et al. [11] investigated simulation of natural convection in an open enclosure with water/copper nanofluid by Lattice Boltzmann method.
Sajjadi, Lattice Boltzmann simulation of natural convection in tall enclosures using water/SiO2 nanofluid, Int.
Hasanuzzaman, Application of Computational Fluid Dynamics (CFD) for nanofluids, Int.
Darzi, Lattice Boltzmann simulation of nanofluid in lid-driven cavity, Int.
Online since: December 2012
Authors: Zhi Gang Yang, Ting Li, Qing Jia
The Influence of Rotating Wheels on Vehicle Aerodynamics Ting Li 1, a, Qing Jia 2, b, Zhigang Yang 3, c 1, 2, 3 Caoan Road 4800, Shanghai automotive wind tunnel center, China a litingyyhs@yahoo.cn, b qing.jia@sawtc.com, c zhigangyang@tongji.edu.cn Keywords: Numerical Simulation, Steady RNS, Rotating Wheel, Simplified And Production Vehicle Abstract.
Two different conditions including stationary and rotation were employed in computational simulation by steady RNS Navier-Stokes calculation.
Numerical Simulation Figure1 shows the mode, a full scale size of a production vehicle.
Acknowledgements The National Basic Research Program of China (973 Program) Reference [1] Morelli A., Aerodynamic Actions on an Automobile Wheel[C]. 1st Symposium on Road Vehicle Aerodynamics, London, 1969 [2] Axon L., Garry K., Howell J., An Evaluation of CFD for Modelling the Flow Around Stationary and Rotating Isolated Wheels[J].
Online since: May 2012
Authors: Feng Wei, Xiao Yu Han, Dong He
This article introduced the using of computer simulation to analysis the design progress in 3 aspects: space efficiency, low running energy-consumption and innocuous design of the life-cycle of building; discussed the method of using appropriate low-cost technologies to save energy and make comfortable indoor environment of college sports buildings, and finally argued that using low-cost technologies is effective way to design a green college sports building.
In order to achieve the best energy-saving effect, the project took advantages of CFD simulation technology.
Fig.6 Indoor wind field simulation Fig.7 Thermal pressure ventilation simulation Fig. 8 Natural ventilation contrast between windows installed wind diflactors and not The transmittance of membrane material of the stadium is more than 15%, associated with high side windows, the lighting demand can be satisfied during the day.
Online since: November 2012
Authors: Ya Jun Fan, Zhang Xu, Ding Wensi
Tel: +86-0-13318769009;E-mail: wsding@scut.edu.cn (Ding Wensi) Keywords: centrifugal fan, series, numerical simulation, flow field Abstract.
To consider the impact of changed conditions on performance of centrifugal fan, internal flow of three-stage centrifugal fan at rated speed in different total pressure conditions is analyzed by CFD software FLUENT6.3 in this paper.
In order to investigate the three-stage centrifugal fan with more complex features, numerical simulation of the flow field in type 700 fan under different total pressure conditions at the rated speed (4600 r/min) was conducted in this project.
References [1] Ding Wensi, He Xiangbin, Numerical simulation of internal flow field in three-stage centrifugal fan of grain sucker, J.
Numerical Simulation of Flow Field for a Whole Centrifugal Fan and Analysis of the Effects of Blade Inlet Angle and Impeller Gap, J.
Online since: August 2013
Authors: Aminuddin Saat, Mohsin Mohd Sies, A. Mohd Ibthisham, Amer Nordin Darus, Ahmed G. Dairobi, Hussein A. Mohammed, Mazlan A. Wahid, H. Mohd Faizal, M.Y. Fairus
In order to further understand the phenomena occur inside of the PDE chamber, the simulation had been conducted detailed in the literature [20].
Sies, Numerical Simulation of Confined Vortex Flow Using a Modified k-epsilon Turbulence Model.
CFD Letters, 2009. 1(2): p. 87-94
Sies, Numerical Simulation of Confined Vortex Flow Using a Modified k-epsilon Turbulence Model.
CFD Letters, 2009. 1(2): p. 87-94
Online since: October 2013
Authors: Ge Ping Wu, Ping Lu, Jun Wang
The computer simulations were validated by the experiment data.
Three-dimensional numerical simulation for laminar liquid flow and heat transfer characteristics of the cooling passages are performed.
Continuity equation: (1) Momentum equation: (2) Energy equation: (3) For the solid, the energy equation can be written as: (4) Where the addition source of power term, D is viscous resistance and C is inertial resistance; :, the viscous dissipation term; Water is used as working liquid in this simulation.
The CFD software is used for the numerical simulation, in which the Finite Volume method is adopted for the governing equations discretization; The SIMPLE method is selected to deal with the linkage between pressure and velocities.
Fig.6 Local Nusselt number Conclusions In this work, numerical simulation for fluid flow and heat transfer in the rectangular microchannel cooling passages are conducted.
Online since: May 2013
Authors: Yi Tao Liu, Bao Yin Song, Qiu Ping Yao
Using the CFD code CFX, the two-phase flow in orthogonal pipe under high gravity condition has been evaluated, and the effects of hi-g on two-phase flow characteristic have been analyzed.
A mathematical model is established and the numerical simulation is carried out with the CFX code on a micro-computer to analyze the effects of high-g on the gas-liquid two-phase flow in orthogonal pipe.
Online since: May 2012
Authors: Ning Pang, Shu Xia Qiu
A Numerical Study on the Flow Characteristics of Opposed Impinging Jets QIU Shuxia1, a, PANG Ning1 1 College of Science, China Jiliang University, 258 Xueyuan Street,  Xiasha Higher Education District, Hangzhou, 310018, China aemail: qiushuxia@gmail.com Keywords: Opposed Jet, Mixing, Flow Pulsation, CFD Abstract.
Numerical Simulation As shown in fig. 1, two axisymmetric slot nozzles with width w are directed toward each other with a distance H, and the exit channel length is denoted by L.
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