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The model throughout all simulations was run at a constant speed of 1500 rpm.
Similar to these previous studies, the CFD (Computational Fluid Dynamics) tool used was the ANSYS-CFX 14.0 program.
Computer Modeling Computer modeling requires the development of simulation models, meshing and setting up boundary conditions before a simulation can be run.
The in-cylinder flow of the motored engine was studied using the commercial CFD package ANSYS; ANSYS-DesignModeller, ANSYS-Mesh and ANSYS-CFX [10].
Gil, CFD modeling of the in-cylinder flow in direct-injection Diesel engines, Computers & Fluids, 33 (2004) 995-1021.

Large Eddy Simulations of Flow past a Circular Cylinder With/without an Upper Rivulet Xiaoqing Du1, a,Yan Zhao1, b 1Department of Civil Engineering, Shanghai University, Shanghai, China axqdu.shu@gmail.com, bzh_yan@live.cn Keywords: Stay cable; Rain-wind-induced vibration; Upper rivulet; Large eddy simulation; Aerodynamic force coefficient Abstract.
Large eddy simulation (LES) is utilized to simulate flow around a circular cylinder with/without an upper rivulet at Reynolds number 70000.
With the improvement of CFD technology, CFD numerical simulation is also utilized in this research field.
Yeo and Jones [4] conducted a simulation of full developed turbulent flow past a yawed and inclined smooth circular cylinder at Re=1.4×105, and the detached eddy simulation (DES) method is adopted.
Finite Volume Method is introduced for spatial discretization in the simulation.

We use Fluent software to establish the model of flow field,and use numerical simulation method to analyze the erosion wear.
The numerical simulation can be largely reflect the results.
Therefore, the numerical simulation method is correct.
Numerical Simulation for the Motion of Dilute Solid Particles in Centrifugal Pump[J].
[5] Wang Zunce,Chen Si,Li Sen,Xu Yan,Numerical Simulation of Particle Impact Erosion within Eletric Submerible Pump Based on CFD[J].Oil Field Equipment,2013,42(5):31-34.

A computational model of a GDI engine is established by 3D CFD simulation software.
Overall, the engine simulation technology has become more and more popular.
Ignition Timing Simulation Results.
Because of the limitations of experiments and simulations, the simulation of structural alignment is not modified.
Further simulations will be done to make the results more comprehensive and convincing.

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.

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.

Multi-stage ejector design and numerical simulation for marine gas turbine Tao Sun1,a, Bo Wan1,b, Changjiang Sun 2,c & Zhengwei Ma3,d 1,2Harbin Engineering University, Harbin, Heilongjiang, 150001, China 2Military agent's room, Dalian Shipbuilding industry co., Ltd, Dalian, 160001, China 3703th Research Institute of China Shipbuilding Industry Corporation, Harbin, China aheu_jf@163.com, bswatwan@qq.com, cscj4@163.com, d153663650@qq.com Keywords: ejector, multi-stage, numerical simulation, marine gas turbine Abstract: With the continuous development of infrared-guided weapons, the survival of ship at sea faces increasingly challenges especially high-risk waters.
By using turbulence model, the vortex viscosity coefficient can be simulated, and then it gains the general expression about the turbulent kinetic energy and dissipation : (6) (7) Modeling for Exhaust Ejector In order to facilitate the numerical simulation, the new marine gas turbine ejector model was simplified.
Numerical Simulation and Analysis of the Model Boundary conditions: Mainstream inlet: mass-flow-inlet Pressure=103900Pa, Mass Flow Rate=27.8kg/s, Total Temperature=893K, Primary ejecting inlets: pressure-inlet, Pressure=101325Pa, Total Temperature=300K, Ejector export: pressure-outlet, Pressure=101325Pa, Total Temperature=300K, Inlet and export the location of the ejector device as shown in figure 5.
Experimental and CFD Study of Exhaust Ejectors with Bent Mixing Tubes[J].
Experimental and CFD Study of An Exhaust Ejector with Round Entraining Diffuser[J].

In the field of refrigerators, many scholars have applied the CFD software to study the refrigeration performance.
The sketch map of four kinds of temperature distribution Simulation Results of Temperature Field and Analysis The simulation results of temperature are shown in figure3.
Simulation Results of Velocity Field and Analysis The distributions of velocity field are shown in Figure4.
[2] Cortella G,Manzan M,Comini G.CFD simulation of refrigerated display eabinets[J].International Journal of Refrigeration,Vol.24, No.3, 2001, pp.250-260
Moureh; Numerical Simulation of Air Flow and Heat Transfer in Domestic Refrigerators.Journal of Food Engineering, 2006, pp146-152.

Based on Computational Fluid Dynamics (CFD) method and the wave theory, the analysis of hydrodynamic characteristics is made for a wave-piercing catamaran (WPC) in this paper.
Fig. 6 Contrast diagram of trial value and calculated value Fig. 7 Resistance results Fig. 8 Resistance coefficients Conclusions Based on computational fluid dynamics (CFD) and wave theory, this paper optimized the demi-hull spacing of a WPC with the help of FLOW-3D. 1.
The simulation method which is proposed in this paper estimates the working performance of WPC well at service speed.
The simulation method proposed in this paper can replace part of the model test to save the costs, which has a certain practical significance.

Instead, rapid developing CFD technology can give a satisfied platform to make untouched real-time measurements of the whole flow field possible.
Basically, three types of numerical methods for analyzing such turbulent flow can be employed: DNS (Direct Numerical simulation), RANS (Reynolds Averaged Navier-Stokes equations) and LES (Large Eddy simulation).
On turbulent vortex shedding flow passed 2D square cylinder predicted by CFD[J].Journal of Wind Engineering and Industrial Aerodynamics, 1995(54/55): 191-211
Large eddy simulation of turbulent vortex shedding flow passed 2D square cylinders[A].
Engineering Application of Large Eddy Simulations FED Vol 162.ASME, 1993