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Modeling and simulation work has been done to figure out the optimum aerodynamics coefficient of wind turbine blades at different Reynolds number.
Meanwhile, Panchal [6] perform simulations using a computer with ANSYS v12.1 software; which aims to save time and cost in designing the airfoil.
CFD is a simulation of engineering systems using fluid modeling (mathematical formulations of physical problems) and numerical methods (discreete methods, solver, the numerical parameters, and grid generation, etc.). 2.
Numerical simulation is done at different Reynold number.
[6] Panchal N., 2010, ME 7751 FINAL PROJECT NACA 4415 AIRFOIL Using ANSYS ICEM CFX Meshing package and FLUENT 6.3 Simulation software

Ho [5] utilized computational fluid dynamics (CFD) technique to verify Tan’s results and then upgraded the model to full scale.
Fire Dynamic Simulator (FDS) version 5, CFD software is used to simulate the fire and smoke.
Therefore this research investigates this by using CFD software FDS version 5.
From the simulation results, a correlation has been developed to predict smoke contamination occurrence in upper balconies.
Ho, Simulation of smoke contamination in upper balcony by a channelled balcony spill plume in an atrium.

., Ltd, Hangzhou, 310000, China email: hanbin0571@163.com Keywords: draw resistance, CFO, convergent curve, CFD Abstract: CFO(Critical Flow Orifice), micro sonic nozzle, is a device in tobacco industry to give a standard gas flow rate.
According to the results of simulation, using Vyshinsky curve as the convergent curve is better than to apply the cone-shaped curve with the same exit diameter of nozzle.
A three-dimensional numerical simulation based on the finite volume method using more than one million meshes is carried out which only can be done in the recent years.
CFD Analysis The gas flow through the cigarette CFO is simulated using a CFD method by the Fluent.
Furthermore, the present numerical simulation was an effective tool to evaluate compressible flows of the cigarette CFO.

In the numerical simulation research, turbulent two-phase flow calculations were performed with a commercial CFD computer code referred to as FLUENT to study the gas-solid two phase flow in the sections of backward-facing step and 90 degree bent pipe respectively by using Euler-Lagrange method.
The deviations between the simulations and experimental data lie in the range of 20%-30%.
These results suggest commercial CFD codes such as FLUENT can be used productively for investigations into gas-solid two-phase flow phenomena and as an aid in pneumatic conveying design.
Summary The results of this research and the comparison between simulation and experimental results are encouraging.
Further research should be devoted on the improving the numerical simulation to predict the nature of the two-phase flow more precisely.

The finite element simulation technology The implementation of the finite element simulation test mainly includes stress analysis and fault prediction.
The main content about simulation test is shown in figure 1.
Maximum response displacement （mm） Maximum response acceleration（G） 1 0.057 5.7 2 0.045 7.2 3 0.02 7.18 4 0.196 5.1 5 0.028 6.4 6 0.0028 7.5 Thermal simulation based on Flotherm Flothem is developed by Flomerics company for CFD simulation in the field of electronic heat dissipation.
Fig.3 Device’ CFD modal in Flotherm and thermal analysis result Life prediction simulation based on Calce PWA Calce Sarah is launched by Calce laboratory at the university of Maryland as the reliability simulation software, include temperature and vibration finite element simulation and fault prediction.
Vibration simulation using MATLAB and ANSYS[M].

Calculations was carried out using SUTCAST simulation software based on solving Navier-Stokes equation and tracing the free surface using SOLA-VOF algorithm.
This arrangement, similarity of different molds except of sprue bases, allows for direct comparison of the behavior of liquid metal flow and performance of the castings acquired by using different sprue bases. 2.2 CFD Model In order to simulate the metal flow in gating systems with different sprue base, CFD modeling was used.
In the filling simulation, the volume of fluid (VOF) method was implemented to track the moving free surface of molten aluminum in the gating system.
Conclusion Effects of employing different sprue bases (No well, standard, large wells and curved sprue base) have been investigated by computational fluid dynamics (CFD) in the present work.
Hirt: 'Casting simulation: mold filling and solidification- benchmark calculations using FLOW-3D®.

In computational fluid dynamics (CFD), the physical domain is usually discretized by using mesh/grid, cells, nodes or particles generation.
Introduction Today, CFD methods have been used extensively for solving fluid mechanics problems.
CFD Grid-based methods have achieved many of great successes.
Thus, CFD meshfree methods are the very promising alternatives, which utilizes a system of arbitrarily distributed particles to represent the entire flow field.
Simulations of optimized anguilliform swimming, Journal of Experimental Biology, 209(24):4841–4857, 2006.

Computational fluid dynamics (CFD) method was applied to the study of flow field in the agitation of glycerin fluid with a Rushton impeller and a pitch 4-bladed turbine.
This paper is concerned with characterization of laminar flow field of a Rushton impeller and a pitch 4-bladed turbine (4PBT) operated respectively in a stirred baffled vessel by numerical simulation using CFD Fluent V6.3® software.
Therefore, original grid cell numbers were employed for simulation of the stirred tank.
The simulations were run using the first-order upwind discretization scheme.
At the end of the simulations, the steady flow field in the entire tank was determined.

e-mail: wanjerm3@yahoo.com.my Keywords: PEM fuel cell; thermal analysis; CFD; cooling.
Analytical comparison on its cooling performance, air velocity and temperature distribution, plus characterizing its thermal gradient based on computational simulation using Computational Fluid Dynamics (CFD) codes are conducted as a platform for design optimization.
Analytical Models and simulation parameters A.
Ms60 60 1.95 2 150 1 Simulation Parameters The simulation was conducted using STAR-CCM Computational Fluid Dynamics (CFD) platform.
Table 2 lists the boundary conditions applied for both simulation cases.

Therefore, the use of CFD is a good choice, which is simple, with short cycle, versatility and low cost and will have an important application value and theoretical significance to China's wind power industry.
The aerodynamics simulation of Horizontal axis wind turbine.
The CFD Turbulence Model of Horizontal axis wind turbine.
The power characteristics and Numerical Simulation of Horizontal axis wind turbine.
Tongji University, 2007,24 ~ 26 [11] Fu-Jun Wang.Computational Fluid Dynamics-CFD software Principle and Application [M].