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Mesh division is the basis for numerical simulation and it will directly affect the accuracy of numerical computation.
The simulation result of lift characteristics of airfoils NACA 4415 with or without modification is shown in Fig. 2.
Lift coefficient of airfoils NACA 4415 with or without modification cl/cd Airfoil without modification Airfoil with simple Gurney flap Airfoil with remodeled Gurney flap Angle of attack /° Fig.2 Lift-drag ration of NACA4415 and its modified airfoils The simulation result of Lift-drag ration of NACA4415 and its modified airfoils with angle of attack of airfoils NACA 4415 with or without modification is depicted in Fig. 2.
Flow field of non-modified airfoil NACA4412 and its modified airfoils at 16 degree angle of attack x/m (a) Non-modified airfoil NACA 4415 y/m x/m (b) Airfoil with simple Gurney flap y/m x/m (c) Airfoil with remodelled Gurney flap y/m Summary By using common software Fluent for CFD, numerical simulation is investigated in connection with the airfoil NACA 4415 and its modification.

., Qiqihar, Heilongjiang Province, China Keywords: heavy hydrostatic bearing; FEM; temperature field Abstract: Based on heat transfer theory, thermodynamics steady state equation of hydrostatic bearing, thermal mathematical model of hydrostatic bearing and boundary condition of numerical simulation is established.
The numerical simulation results could provide theoretical basis for temperature control scheme design which will improve the stability and reliability during hydrostatic bearing operation.
Figure 2 shows the FE model of workbench generated in ICEM CFD software which has 457643 grids totally.
Temperature field of hydrostatic bearing simulation provides theoretical basis for heat control system design, it is positive for reliability and safety of bearing operation improving.

Fig. 2 Mesh and boundary conditions chosen for the simulation.
Figure.2 shows the mesh and boundary conditions chosen for the simulation.
A commercial flow solver based on computational fluid dynamics(CFD) is employed for the simulation of the two-phase flow of molten metal and ambient gas.
Simulation Parameters.
The simulation parameters are chosen based on the physical system.

Design of test underlying node base-on computer numerical simulation technology.
The following is the testing method applied research about the bag filter CFD dust gas uniformity.
Summary From the digital testing methods applied in bag filter CFD computer improving calculation, we can change different parameters in the testing platform to do testing in different condition.
Journal of System Simulation, 2001, 13(1): 114-117, In Chinese
Virtual material testing for stamping simulations based on polycrystal plasticity.

Numerical Simulation of Forced Heat Convection Turbulent Magnetic Nanofluid Flow in a Square Channel NOR AZWADI Che Sidik1, a and HUSNAN Jafni1, b 1Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor Bahru aazwadi@fkm.utm.my, bjafni91@gmail.com Keywords: Square Channel, Forced Convection, Heat Transfer, Turbulent Flow, Magnetic Nanofluids.
Physical Model A three dimensional, channel was considered in the present simulations.
Numerical Method The Computational Fluid Dynamic (CFD) commercial software FLUENT 14.0 was used to solve the governing equations of continuity, momentum and energy.
Kune, Numerical Simulation of Water-Based Alumina Nanofluid in Subchannel Geometry.

Comparison between Numerical Simulation and Wind Tunnel Test of 1/8th Scale Model The correctness of numerical simulation is related to numerical method, grid structure and the other factors.
A hybrid grid is applied for the simulation.
The flow around the train in the numerical wind tunnel is simulated with commercial CFD tool Fluent.
The large eddy simulation model is applied to account for the turbulent nature of the flow.
(a) Comparison between simulation and test in receiver-1.

Coupling Algorithm These two individual solvers have to be coupled together for the fluid-structure simulation.
The simulation with Eilmer is paused at ; 3.
Grid in Eilmer is updated and fluid domain simulation continues; 7.
These results can be used as a test case for the fluid-structure simulation.
Validation of a Three-dimensional CFD Analysis of Foil Bearings with Supercritical CO2. in 19th Australasian Fluid Mechanics Conference. 2014.

Simulation Study of Gas-Solid Macro-Mixing Characterization in Small Fixed-Fluidized Bed Reactor Wenjing Liu1, a, Hui Zhao1, b, Chaohe Yang1, c, Honghong Shan1, d 1 State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Qingdao, Shandong 266555, PR China azjhjsnh@163.com, bzhaohui@upc.edu.cn, cyangch@upc.edu.cn, dshanhh@upc.edu.cn Keywords: 3D-CFD simulation; Small fixed-fluidized bed reactor; Gas residence time distribution; Macro-mixing characterization Abstract.
Many researchers hope to understand the flow phenomenon by testing and simulation in order to improve and optimize the reactor design.
Currently, Gobin et al. [8] presented their capabilities to predict the overall flow of the form of simulation in large reactor.
Simulation and mathematical model Mathematical model.
In Numerical Simulation of a Gas-Phase Polymerisation Reactor.

In this article, numerical simulation research about effect of produced liquid viscosity on flow characteristics and separating property of downhole hydrocyclone desander will be carried out by Fluent CFD software.
The Numerical Simulation Geometric Model and Mesh.
Sand phase is also regarded as a fluid during numerical simulation.
The simulations apply stable state numerical calculation.
The section of z=-200mm was selected to analysis numerical simulation result.

Table 1 shows specifications for 5 valve lift variants based on the 1-D CFD gas exchange dynamics modeling of 20 hp engine using engine 1-D software.
Simulation Results.
Simulation Results.
Simulation results of new valve train satisfy design criteria.
Cam piston engine virtual prototype simulation of motion [J].