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As the turbulence model is important to the validation of flow field simulation, it can influence the precision of wind speed prediction.
In this paper, the wind speed at the hub height is predicted by flow field simulation based on the CFD (Computational Fluid Dynamics) model.
To improve the accuracy of CFD model, two different turbulence models are employed.
Calculation Procedures The flow field simulation was accomplished by the commercial software.
Spalart, “Strategies for Turbulence Modeling and Simulations”, International Journal of Heat and Fluid Flow, Vol. 21 No. 2000, pp. 251-263, 2000

Computational Fluid Dynamics (CFD) simulation is an effective approach for increasing the efficiency of new CVD process development [1,2,3].
In our work, CFD simulations were used to determine the factors that are the most critical for arriving at optimal process conditions.
A commercial Computational Fluid Dynamics (CFD) software package was used in this work.
susceptor is reliably predicted by simulation.
Information provided by CFD simulations will be applied to reduce the number of experiments leading to optimization of the CVD homoepitaxial growth of SiC in other types of growth reactors.

STUDY ON COUPLED CONDUCTION AND CONVECTION HEAT TRANSFER BASED ON INTERNAL HEAT SOURCE YONGAN LI，YANAN GAO，MING WANG，XUELAI LIU School of Thermal Energy Engineering,Shandong Jianzhu University Jinan, 250101,China KEY WORDS:Pipe, internal heat source, conduction and convection, liquid-solid coupled, numerical simulation Abstract:A computational fluid dynamics (CFD) model is proposed to simulate numerically conjugated heat transfer process of fluid washing out solid with evenly internal heat source in the pipe.
Based on numerical simulation, the varying regularity of Nusselt number between fluid and solid wall surface is obtained and analyzed.
The SIMPLE algorithm is taken in the numerical simulation process of steady coupled heat transfer.
Therefore, in the numerical simulation process by using CFD software, the setting of physical parameters, the selection of solution method and the determining of the time step should be paid special attention.
The analysis of the calculation result When doing numerical simulation and calculation, the CFD software FLUENT was used in this paper.

(3) The simulation and prediction of starch gelatinization process.
Computational fluid dynamics (CFD) is used to model the entire bread baking process [18-20].
Designing process controller for a continuous bread baking process based on CFD modelling.
Simulation of starch gelatinisation during baking in a travelling-tray oven by integrating a three-dimensional CFD model with a kinetic model.
Computational fluid dynamics (CFD) modeling for bread baking process-a review.

Numerical Methods Multiphase Modeling The commercial CFD software FLUENT is used to model the gas-liquid two-phase flow regimes.
Several runs of simulation had been performed by varying the cells density.
Simulation of Oil-Gasoil Vapour Flow This section reported the 3D simulations of slug transition for two-phase oil-gasoil vapour flow in horizontal pipe.
Holdo, "Modelling two-phase flows using CFD," Applied Energy, vol. 53, pp. 299-314, 1996
Nasif, "Simulation of two phase oil-gas flow in pipeline," APRN Jour.

Simulations are conducted for steady and unsteady modes.
Fig. 5 Fire smoke release curve Simulation Results Simulation results of defined fire scenarios are presented in this section.
Kennedy, “A CFD Analysis Of Station Fire Conditions In The Buones Aires Subway System”, ASHRAE Transactions v105, 1999, pp. 410-413
You, “CFD simulation and optimization of the ventilation for subway side-platform”, Tunnelling and Underground Space Technology, vol. 22, 2007, pp. 474–482
Jang, “CFD simulation and assessment of life safety in a subway train fire”, Tunnel.

Investigation on the Prestage of a Water Hydraulic Jet Pipe Servo Valve based on CFD Xinhua Wang a, Zhijie Li b, Shuwen Sun , Gang Zheng College of Mechanical Engineering and Applied Electronics Technology Beijing University of Technology Bejing, China awangxinhua@bjut.edu.cn, bymhuli@163.com Keywords: water hydraulic, CFD, jet pipe servo valve, jet pipe amplifier Abstract.
The best combination of structure size is finally obtained by using numerical simulation, computer emulation and experiment analysis methods.
With the technology of Computational Fluid Dynamics (CFD) and the finite volume method, the analysis models of the pressure field and speed field of water hydraulic jet pipe servo valve are constructed[6].
The simulation results could play a great role in designing the jet pipe amplifier
(3) The simulation results also make it clear that it is feasible to use water as the working medium of servo valve instead of hydraulic oil.

A coupled CFD/6 DOF is designed to compute the orientation and trajectory of the airdrop model.
Fig.1 also shows the CFD mesh on the airdrop model surface used in this numerical simulition.
Fig.4 shows the flow chart of the CFD/6 DOF coupling.
A coupled CFD/6 DOF is designed to compute the orientation and trajectory of the airdrop model.
Simulation the Flows About Cargo Containers Used During Parachute Airdrop Operations .

CFD simulation has been carried out at the early stage of the investigation (for NACA 0044 and NACA 0063), and a new airfoil profile had been created (0044-63) by modified the chord length and the location of maximum thickness of the airfoil by using the modified NACA Four-Digit Series.
This paper present the aerodynamics study for three selected airfoil profiles (NACA0044, NACA0063 and 0044-63) which had been developed by CATIA and the simulations performed in STAR-CCM.
This range has been chosen reflected from the CFD result which has been simulated at the earlier stage of this study.
Wind Tunnel Specification Test cross section area 500 mm x 500 mm Overall length 8050 mm Overall height 1900 mm Maximum speed 50 m/s Number of blades 9 pieces Maximum power available 25 HP Fig. 1 Final model for testing So based on this constraint, the minimum value of wind speed is set to be 25 m/s and the comparison with the CFD simulation result will be made by using Reynolds number similarities.
This also proved that the CFD analysis which has been conducted at earlier stage of this study is acceptable.

The HA particle velocity in the cold spraying process is investigated numerically using a computational fluid dynamics (CFD) program, FLUENT.
As the first stage of the work revealing the formation of the HA coatings by cold spraying process, this paper focuses on the identification of the HA particle acceleration behavior through numerical simulation by a computational fluid dynamics (CFD) program FLUENT.
Numerical Simulation and Discussion Taguchi Design of Simulation Conditions.
Dt×De, is also considered in the simulation.
Analysis of Variance for the Simulation Results.