Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: December 2012
Authors: Y.G. Zhang, X.C. Yu, Y.F. Liu, Y.G. Bai
With the convective heat transfer theory, numerical analysis of fluid-solid-heat coupling is implemented for the engine combustion chamber cooling structure based on finite element method and computational fluid dynamic method, thus to obtain valuable simulation results.
And it has been successfully applied to numerical simulations of two dimensional airfoil aerodynamics [12].
Numerical simulation and optimization on heat transfer and fluid flow in cooling ineering and Software, 2006, 23 : 907-921
Numerical aerodynamic simulations of a NACA airfoil using CFD with block-iterative coupling and turbulence modelling.
And it has been successfully applied to numerical simulations of two dimensional airfoil aerodynamics [12].
Numerical simulation and optimization on heat transfer and fluid flow in cooling ineering and Software, 2006, 23 : 907-921
Numerical aerodynamic simulations of a NACA airfoil using CFD with block-iterative coupling and turbulence modelling.
Online since: March 2009
Authors: Mohammed El Ganaoui, S. Addakiri, E. Semma, Bernard Pateyron
It drew the attention
of the CFD area in the simulation of flows in complex geometries and in particular porous media
[5-6].
Phase change treatment To solve the phase change problem, a fixed grid approach is used, similar to the principle used for the enthalpy formulation when considering continuum media [9, 10] particularly successfully used for directional solidification simulation [11, 12, 13].
Phase change treatment To solve the phase change problem, a fixed grid approach is used, similar to the principle used for the enthalpy formulation when considering continuum media [9, 10] particularly successfully used for directional solidification simulation [11, 12, 13].
Online since: December 2013
Authors: Xin Hua Zhao, Cai Wei Ma
In 2000, Fu Xin used CFD method to research the fluid oscillation characteristics of swirlmeter in oscillatory flow, therefore he proposed the symmetric differential signal treatment method to resist the vibration.
On this basis, he proposed a new method to resist the interference of flow field pulsating which is based on phase discrimination, and obtained the simulation results.
Flow Measurement and Instrumentation.1999, 10: 183~188 [5] Fu Xin, Yang Huayong: Study on mechanism of hydrodynamic oscillation in vortex precession meter using large eddy simulation.
On this basis, he proposed a new method to resist the interference of flow field pulsating which is based on phase discrimination, and obtained the simulation results.
Flow Measurement and Instrumentation.1999, 10: 183~188 [5] Fu Xin, Yang Huayong: Study on mechanism of hydrodynamic oscillation in vortex precession meter using large eddy simulation.
Online since: December 2012
Authors: Bao Li Zhang, Chuan Zhi Mei, Lin Hua Piao, Jin Tang
(a) rectangular acvity (b) streamlined acvity 1 (c) streamlined acvity 2
Fig. 2 Two-dimonsional simplified models of sensitive cavity of three structures
Solve with Finite Element Method
The FLOTRAN CFD analysis of ANSYS software is an advanced tool used to study two-dimensional and three-dimensional flow field, which can be used to analyze the movement of air in cavity [5].
This simulation typically comprises modeling, loading and solving
Wang: Numerical Simulation Technology of Practical Engineering and its Practice (Northwestern Polytechnical University Press, Xi’an 1999).
This simulation typically comprises modeling, loading and solving
Wang: Numerical Simulation Technology of Practical Engineering and its Practice (Northwestern Polytechnical University Press, Xi’an 1999).
Online since: September 2013
Authors: Jian Zhang, Dong Lai Zhang
The influence of materials on the thermal behavior of the complete system is investigated by simulation [15].
The simulation results of temperature field distribution with ANSYS are shown in Fig. 2.
Therefore the r ANSYS simulation can be used for the thermal design of MCM, it is especially convenient and visualize.
Zhou, “Finite Element Simulation for 3-D Thermal Analysis of MCM,” Microelectronics, vol. 35, no.4, pp.371-374, Aug. 2005
Lee et al., “Application of CFD technology electronics thermal management,” IEEE Trans.
The simulation results of temperature field distribution with ANSYS are shown in Fig. 2.
Therefore the r ANSYS simulation can be used for the thermal design of MCM, it is especially convenient and visualize.
Zhou, “Finite Element Simulation for 3-D Thermal Analysis of MCM,” Microelectronics, vol. 35, no.4, pp.371-374, Aug. 2005
Lee et al., “Application of CFD technology electronics thermal management,” IEEE Trans.
Online since: October 2011
Authors: Lei Zhou, Ming Jia, Chun Long Xu, Qiang Zhou, Jun Han
The technique of the large eddy simulation (LES) is a good approach for turbulence modeling which involves spatial filtering of the Navier-Stokes equations.
The spray simulation used in this work is based on DDM approach using the three dimensional CFD code KIVA3V-LES.
All the simulations without ATKE model show longer liquid penetration length than experimental data.
Using large eddy simulations to study diesel DI-HCCI engine flow structure, mixing and combustion: Madison: University of Wisconsin, 2007
KIVALES:Large-Eddy Simulations of Internal Combustion Engines.
The spray simulation used in this work is based on DDM approach using the three dimensional CFD code KIVA3V-LES.
All the simulations without ATKE model show longer liquid penetration length than experimental data.
Using large eddy simulations to study diesel DI-HCCI engine flow structure, mixing and combustion: Madison: University of Wisconsin, 2007
KIVALES:Large-Eddy Simulations of Internal Combustion Engines.
Online since: July 2016
Authors: Ben Thornber, Yao Zu Bi
In the turbulent flow over a backward facing step simulation [2], Menter closure predicted with the closest recirculation length to experimental result [3] among a set of popular turbulence models.
The max percentage of error between results obtained from our simulation to the published standard velocity profiles (for the finest grid) was estimated to be approximately 0.023%.
In Fig. 7, 2D simulation tends to overestimate the leeward velocity profiles, which yield average 6.7% difference in comparison with 3D.
Cheah, Wall y+ approach for dealing with turbulent flows over a surface mounted cube: part 2 - high Reynolds number, in: Proceedings of Seventh International Conference on CFD in the Minerals and Process Industries, Melbourne, Australia, 2009
Nikitin, Direct numerical simulation of turbulent flow around a wall-mounted cube: spatio-temporal evolution of large-scale vortices.
The max percentage of error between results obtained from our simulation to the published standard velocity profiles (for the finest grid) was estimated to be approximately 0.023%.
In Fig. 7, 2D simulation tends to overestimate the leeward velocity profiles, which yield average 6.7% difference in comparison with 3D.
Cheah, Wall y+ approach for dealing with turbulent flows over a surface mounted cube: part 2 - high Reynolds number, in: Proceedings of Seventh International Conference on CFD in the Minerals and Process Industries, Melbourne, Australia, 2009
Nikitin, Direct numerical simulation of turbulent flow around a wall-mounted cube: spatio-temporal evolution of large-scale vortices.
Online since: August 2011
Authors: Qi Li, Chuan Shan Dai, Wen Jing Jiao
It has three important features comparing with the other conventional CFD models: (i) the convection operator (or streaming operator) in phase space (or velocity space) is linear.
A parabolic inlet velocity profile for flow entering to the channel was assumed for the present simulations.
Computational simulations were performed for Re = 300, and the grids are 120´120.
A two dimensional D2Q9 BGK model was used in the simulation.
In order to confirm the accuracy of the present LBM simulations, we also did the work.
A parabolic inlet velocity profile for flow entering to the channel was assumed for the present simulations.
Computational simulations were performed for Re = 300, and the grids are 120´120.
A two dimensional D2Q9 BGK model was used in the simulation.
In order to confirm the accuracy of the present LBM simulations, we also did the work.
Online since: July 2015
Authors: Claudio Giardini, Gianluca D'Urso
A FEM model for the simulation of the process was set up using the commercial code Deform 2D.
On the other hand, a computational fluid dynamics (CFD) approach was used by Gerlich et al. [18] to model FSSW.
The approach followed to set up the simulations is based on an analytical model for the heat flux calculus.
The main aspect of the FEM model set up for this work is a 2D approach used for the simulation of a 3D problem.
This solution resulted in very fast simulations, if compared with 3D FSSW simulations that usually require several hours or even days for the computation.
On the other hand, a computational fluid dynamics (CFD) approach was used by Gerlich et al. [18] to model FSSW.
The approach followed to set up the simulations is based on an analytical model for the heat flux calculus.
The main aspect of the FEM model set up for this work is a 2D approach used for the simulation of a 3D problem.
This solution resulted in very fast simulations, if compared with 3D FSSW simulations that usually require several hours or even days for the computation.