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In this paper, a parametric modeling and simulation method is proposed, which is based on CAD/CFD tools.
Therefore, parametric modeling and simulation technology for launch vehicle based on CAD/CFD integration is becoming research focus [5-7].
Automatic simulation for aerodynamic analysis of launch vehicle is achieved by integrating CFD tools, such as CFD-GEOM, GAMBIT, FLUENT, etc.
Mesh parameters determine the quality of mesh model, and seriously impact the accuracy and efficiency of CFD simulation.
Based on the mesh model, engineers can get aerodynamic performance of launch vehicle through CFD simulation.

The verification has been compared by mass flow rate between experiment data and CFD simulation.
The verification of mass flow rate from measured data and CFD simulation was performed as shown in Fig. 2(b).
Fig. 4 Variation of volumetric efficiency versus rotating speed Fig. 5 shows the pressure distribution of scroll expander under CFD simulation.
This study includes experimental testing and CFD simulations to investigate the thermal-hydraulic behavior of expander.
Increasing accuracy of CFD simulations would be kept studying in the future.

A discrete solution is performed using control equations for calculating the flow field on the basis of grid in the CFD simulation.
In CFD simulation calculations，Grape growing area in greenhouse is dealt with using porous media model in this study [2].
Numerical simulation of CFD Fluent is used for a simulation calculation tool in this study, and calculation flow is shown in Figure 4.
Figure 4 CFD simulation calculation flowcharts of grape greenhouses based on Fluent 2.1 Model introduction and testing The Fluent software version used for simulation calculation is 6.3.26.
Three-dimensional Viscous Numerical Simulation of Axial-flow Pump Based on CFD [J].

According to the comparisons, good simulation accuracy could be obtained using the steady state k-ω SST model with small size near wall mesh (y+<5) simulations.
Introduction Recently, Computational Fluid Dynamics (CFD) simulation of the automotive flow field was highly integrated in the new car development process.
Therefore, the high CFD simulation accuracy for the whole flow field around the car was necessary in order to predict the aerodynamic drag.
These uncertain saddle point phenomena were also captured in CFD simulation.
A Calibration Study of CFD for Automotive Shapes and CD.

Yani Tromol Pos 1, Pabelan, 57102, Surakarta, Indonesia asarjito_ums@yahoo.com Keywords: downdraft evaporative cooling; CFD.
Further CFD work to model the prototype performance with water spray evaporation is described briefly.
(c) ANSYS CFX12.1 simulation geometry A detailed computer aided design (CAD) simulation of the full-scale Ben-Gurion device was built and analysed using ANSYS CFX 12.1.
Simulations were carried out over Vref from 0.167 to 7 m/s.
Summary The results of CFD simulations of a novel multi-stage downdraft cooling system in both wind-driven, and wind-driven plus water-spray modes of operation were compared with the experimental results obtained by Erell et al. (2008) and Pearlmutter et al. (2008).

Use of CFD to Study the Resistance of Sprint Master Canoe Omar Yaakob1,2, Yasser M.
The finite volume code Ansys CFX has been used for carrying out the numerical simulations for the hull form of the canoe at the same experimental speeds.
The grid generator ICEM CFD has been used for building the grids for the RANSE code solver.
In the interface-capturing method, both air and water are considered in the simulation and treated as two effective fluids.
The grid generator of the RANSE code (ICEM CFD) was used for generating the unstructured tetrahedral grids that were required for Ansys CFX solver.

The internal flow field of EGSB (Expanded Granular Sludge Bed) reactor was investigated by using CFD simulation.
Computational fluid dynamics (CFD) is a kind of numerical simulation technology which studies fluid.
The reliability of the simulation was proved.
CFD simulation of an expanded granular sludge bed (EGSB) reactor for biohydrogen production.
A Hydrodynamics-Reaction kinetics coupled model for evaluating bioreactors derived from CFD simulation.

The numerical calculation simulation based on CFD can be considered as signals obtained by ideal sensors, and there are no noise signals.
An economical, safe and dependable numerical simulation model of state monitoring and analyzing for the research of fault diagnosis theory and mechanism is provided by the propeller blade fracture fault monitoring system based on CFD.
The data signals are extracted by data acquisition system in the fault monitoring and diagnosis system of practical engineering, while the data signals are extracted by numerical simulation in the diagnosis system based on CFD.
The numerical simulation results of the fluctuating pressure of the duct inner wall monitoring points of ducted propellers are shown in Fig.2-5.
Hydrodynamic performance prediction of some propeller based on CFD[J].

For all range of air velocity and dust cake porosity and permeability employed, data of pressure drop in filter box could be satisfactorily predicted by simulations in CFD.
Furthermore, the CFD simulations showed that undesirable patchy cleaning might be overcome using air velocities lower than 15cm/s.
Characteristics of CFD simulation used The simulations in CFD were made in the commercial software Fluent®, and the computational mesh, composed by 114.250 cells that represent the experimental unit (Figure 1), was built in the commercial software Gambit®, and subsequently exported to Fluent®.
Simulated data using CFD The Figure 4 show a case, in which the fluid flow was performed with no cake, velocity profiles to different superficial velocity of filtration were obtained from the simulations in the filter basis.
Dust Cake Absence Dust Cake Presence CFD Experimental CFD Experimental M [kg/s] ΔP [Pa] ΔP [Pa] ΔP [Pa] ΔP [Pa] a 1.47.10-3 14 16 23 25 B 3.04.10-3 50 51 130 139 C 4.62.10-3 105 108 76000 81800 According to Table 2, it is possible observe that pressure drops obtained by means of fluid dynamics simulations were satisfactorily consistent with experimental data.

Aeroelastic- Acoustics Numerical Simulation Research Xi Pei1,a , Min Xu2,b,Dong Guo3,c College of astronautics, Northwestern polytechnical University, Xi’an 710072, china apeixi5297556@163.com, bxunmin@nwpu.edu.cn, cguodong@nwpu.edu.cn Key words: Aeroelastic-Acoustic, LES, CFD/CSD/CAA coupling, Multidisciplinary Abstract.
The CFD/CSD/CAA coupling is used to simulate rockets cabin.
A new method which CFD/CSD/CAA coupled solution is present.
Fig.2 shows the mode shapes mapped into CFD surface grid.
This methodology employs CFD/CSD/CAA coupling.