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The Numerical Simulation of Internal Flow Field in Rotor Oil Pump Chenhai Guo1,a ,Jie Wen1,b,Fei Dong1,c 1School of Automobile and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China aguo_chenhai@yahoo.com.cn,bwenjie19871115@126.com, cjsdxdf@163.com Keywords: Numerical simulation, Rotor oil pump, SC/Tetra Abstract.
The result basically shows the correctness of numerical simulation.
The assembled model is imported into CFD software named SC/Tetra by the STL format.
On the other hand, the simulation results under different conditions is achieved
Study on internal flow field of oil pump for visual simulation [J].

Numerical simulation of N-S equations is employed to obtain near-field acoustic information, then far-field acoustic information is obtained through acoustic analogy theory combined with FW-H equation.
Due to these limitations, the method will eventually be replaced. 3)The method of combining CFD and acoustic analogy.
In this article, the method of combining CFD and acoustic analogy is employed.
To verify the reliability of the flow-field simulation, the dual-element airfoil NLR 7301 is selected to verify the calculation.
Summery Based on numerical simulation of N-S equations, aerodynamic noise prediction of a multi-element airfoil is completed.

., 2005. parametric and internal study of the vortex tube using CFD model.
Internal study of vortex tube using a CFD package.
J.Refrigeration 33, 783e792. ] used an symmetric CFD model to compare the influence of four different Reynolds- Averaged Navier-Stokes (RANS) based turbulence models (standard k-ε, RNG k-ε, standard k- and SST k-) in predicting the temperature separation.
Simulation of gas species and temperature separation in the counter-flow RanqueeHilsch vortex tube using the large eddy simulation technique.
Heat Mass Transfer 52, 3320e3333. ] used a symmetric CFD model with the LES technique to predict the temperature separation and the separation of nitrogen helium mixture in a VT.

Krasińskiego 8, 40-019, Katowice, Poland a roman.zagorski@polsl.pl , b anna.dolata@polsl.pl, c maciej.dyzia@polsl.pl Keywords: alloy casting, solidification, contact resistance, CFD simulations Abstract.
The assumption of the appropriate values of simulation parameters has shown that the simulation results are convergent with experimental ones.
Currently, there are several programs which belong to Computational Fluid Dynamic group (CFD).
Fig. 2. 2D simulation model.
Simulation course of temperature change.

To address this, a three-dimensional computational fluid dynamic (CFD) simulation was presented to investigate the effect of swirl flow on the cold flow characteristic of entrained flow gasifier.
Our numerical simulation provides an effective way for researchers or engineers to optimize and scale up the gasifier and nozzle.
The simulation region was the whole gasifier, which is divided into a group of hexahedral structured meshes.
Conclusion A cold condition numerical simulation of the swirl flow effect on the entrained flow gasifier flow characteristic was presented.
The swirl intensity distribution along the axial was calculated from the simulation results.

The turbine performance and flow behavior have been evaluated by means of numerical simulations.
In order to develop effective methodologies to improve hydro turbine performance and to investigate innovative turbine concepts, computational fluid dynamics (CFD) can play a significant role.
The turbine performance and flow behavior have been evaluated by means of numerical simulations.
The dimension in the simulations is in the same range as those encountered in the experiment.
Conclusion The performance of a horizontal axis impeller of the mini hydro turbine applications has been numerically investigated after having validated the CFD model by comparison of the results with experimental test.

Modelling and Simulation of Hollow Profile Aluminum Extruded Product Hani Mizhir Magida, S.
Subsequently, the optimized algorithm for these extrusion parameters was suggested based on the simulation results.
Finite Element Analysis and Simulation Process Fig. 3 Modeling and Analysis Flow Chart.
The general steps of simulation process by (ABAQUS/Explicit) are illustrated in Fig. 3.
Cleary, “Modelling of Cold Metal Extrusion”, Fifth International Conference on CFD in the Process Industries, pp. 1-7, Dec 2006

Numerical Simulation of Wind flow Structures and Pollutant Dispersion within Street Canyon under Thermally Unstable Atmospheric Conditions Afiq Witri Muhammad Yazid1,a,Nor Azwadi Che Sidik1,b * and Salim Mohamed Salim2,c 1Department of Thermo-Fluids, Faculty of Mechanical Engineering, UniversitiTeknologi Malaysia, 81310 Skudai, Johor Bahru, Malaysia 2School of Engineering and Physical Sciences, Heriot-Watt University Malaysia, 62100 Putrajaya, Malaysia aafiqwitri@gmail.com, bazwadi@fkm.utm.my, cm.salim@hw.ac.uk Keywords: Street canyon, thermal flow, wind flow structures, pollutant dispersion, turbulence models Abstract.
The Computational Fluid Dynamics (CFD) method using two-equation turbulence models were widely adopted in wind engineering researches due to its fast convergence and the ability to provide reasonable accuracy [4,5].
The CFD results discussed in this paper showed that heating of building walls and ground surfaces leads to a strong buoyant force close to those solid boundaries receiving direct solar radiation.
Best practice guideline for the cfd simulation of flows in the urban environment. (2007)

Based on the erosion theory and experiment study, the drill pipe erosion is simulated in 3-D turbulence flow flied by Computational Fluid Dynamics (CFD) technology.
Results and Discussion Comparison Experimental Result and Simulation Result.
So the value of average erosion in simulation is greater than that of in experiment.
The numerical simulation model is verified by experimental result, so this model is realistic and can be used for numerical simulation in gas drilling and mud drilling. 0 2 4 6 10 20 30 40 50 60 70 Gas injection/（m3/min） Average erosion rate/（10-4kg/m2/s） Simulation results Experimental datas Trendline of experimental datas Trendline of simulation results Fig. 1 Schematic diagram of drill pipe erosion Fig. 2 Comparison simulation result with experimental data Simulation Result and Analysis Erosion of Drill Pipe in Mud Drilling.
High pressure testing sand erosion in 3D flow channels and correlation with CFD.

Fig .1 The curve of the wind speed changes with height Fig .2 The flow field area of the wind turbine In this paper ,using the method of CFD to build three-dimensional numerical flow field in wind turbine close to the wind turbine operation environment in practice in a greatest degree .Simulation the wind turbine in three-dimensional flows wind shear conditions .
The calculation results and analysis of numerical simulation The output power of wind turbine.
After a fluent numerical simulation.The output calculation results using tecplot to analysis the calculation results.
Research turbulence model horizontal axis wind turbine CFD calculations.
Pre-bend design and numerical simulation of wind turbo-generator [J].Journal of ChineseSociety of Power Engineering, 30(6):450-455.(2010)