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Experimental and simulation procedure Figure 1 shows a schematic diagram of a reactor for the high-temperature gas source method.
A commercial software CFD-ACE+ and add-on software CVDSim SiC Edition were used in simulation analyses of growth rates, depending on the seed rotation speed and temperature distributions in the reactor [4,5].
[4] Information on https://www.esi-group.com/software-services/virtual-environment/cfd-multiphy sics/ ace-suite/cfd-ace/

This paper uses the simulation technology of computer numerical simulation, combined with the GAMBIT numerical modeling software and ANSYS structure analysis software, we carry out an in-depth research and analysis on the stability of engineering simulation, at the same times establish the mathematical model of ANSYS numerical simulation displacement stability and design the ANSYS command stream program algorithm.
Through the numerical simulation, we get the displacement of slope in the Y direction and Z direction.
The numerical simulation provides the theory reference for the safety of mining engineering.
So in future studies, we should consider the actual model of the mine and the numerical simulation under the complicated stress conditions, so as to achieve the higher simulation accuracy values.
Numerical simulation technology based on ANSYS ICEM CFD and CFX [J].

Research Methods FDS+EVAC is a computational fluid dynamics (CFD) software codeveloped by the United States National Institute of Standards and Technology and the VTT Technical Research Centre of Finland.
The simulation case design is shown in Table 2.
Simulation case design Case No.
Evacuation simulation for the base case Table 3.
(Yan) Chen,“Numerical determination and treatment of convective heat transfer coefficient in the coupled building energy and CFD simulation ,” Building and Environment, pp.1001-1009,2005

Turbulence is one of the key CFD models applied in numerical compartment fire modelling.
However, there exists three different main forms of turbulent simulations that calculate and/or model large and small eddies – Direct Numerical Simulation (DNS), Reynolds-Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES).
Turbulence models in CFD.
Modelling and Simulation in Engineering, Article ID 781252, 16 pages
Toward thelarge-eddy simulation of compressible turbulent flows.

Initial studies were performed using CFD (ANSYS / Fluid Dynamics).
Finally, the 3-D stall barrier was mounted on a complete model rotor blade and investigated by means of a numerical flow simulation.
Figure 8: Velocity distribution in the cross-section of the stall barrier with flow channel The CFD analysis has shown that the following design parameters have a significant effect on the efficiency of a stall barrier with suction (Fig. 8): • Height of the channel compared to the maximum profile thickness • The "dead water area" in the intake depends on the inlet inclination relative to the free flow of the profile shape and the inner channel form (height, etc
The future flow simulations should also be calculated in transient mode in order to obtain a more accurate result.
References [1] Wittig, S.: Numerical flow simulation of a horizontal axis wind turbine (HAWT) rotor to investigate the potential of improving the operating performance under use of different aerodynamic modifications, cp.max Rotortechnik GmbH & Co.

Based on the heat and mass transfer theory and characteristics of the CFD software, a three-dimensional numerical simulation platform had been developed to study the thermal performance in a natural draft wet cooling tower.
Therefore, a three-dimensional numerical simulation platform was developed to study the heat exchange and flow situation of cooling tower.
It uses three dimensional numerical simulation platform is used to simulate the two group working simulations.
The computing values of the simulation platform are found to be in good agreement with the design data.
The simulation platform could provide forceful support to the research of cooling tower.

A thorough assessment of performance was made possible by using rapid-prototype models and numerical simulation and the intake port steady flow.
In this paper, use of AVL Fire, unite the modern method of numerical simulation and the intake port steady flow, in a new diesel intake port example, carry out forecast design.
Flow coefficient is a very important parameter, because of its veracity , the design basis of the no swirl vertical intake port, three-dimensional model, CFD model, mathematics model and the project of the intake port steady flow, the simulate results are fund very closed with experimental results. we can prove the feasibility of the forecast design of diesel engine intake port based on numerical simulation.
Further analysis of other flow parameters also be got, and provide a reliable basis for simulation.
Figure 3: Directed port CFD-model Figure 4: Measured v Computed Flow coefficient The DoE results were analyzed using multiple regression to determine the most significant parameters and interactions.

Simulation method Numerical simulation method includes the following types: direct numerical simulation, Reynolds averaging method and large eddy simulation[1].
The direct numerical simulation and large eddy simulation can obtain more information than Reynolds averaging method. 2.
Direct numerical simulation and experiment This paper uses a twelve stage finite difference method for the calculation of direct numerical simulation.
Numerical simulation results and experimental analysis As an example Reynolds number equal to 2200 get a direct numerical simulation and experimental analysis, the simulation results and experimental results are compared 3.1.
[4].Li Xinliang, Ma Yanwen， Fu Dexun, CFD J. 2000， Vol.8， No.4， 536-543 [5].

The dynamics of different relief valves have been studied through bond-graph simulation technique in ref. [2, 3].
Therefore, this paper is to study the internal flow field of explosion relief valve by virtue of CFD software.
Numerical simulation was performed by software FLUENT combining homogeneous design method.
Karmakar: Simulation Modeling Practice and Theory Vol. 10 (2002), p. 51-67 [3] K.
Watton: Simulation Modelling Practice and Theory Vol. 13 (2005), p. 21–38 [4] X.D.

Numerical simulation of flow field inside the cyclone separator has rarely been involved.
Therefore, numeral simulation of flow field inside the cyclone separator used in small-sized VRF system is necessary.
Further study of the simulation result shows that the pressure loss of S is smaller than B.
[3] Hua Zhou, Application of CFD in the modification of an oil-gas separator design, Hydrodynamics investigation and development, 2004, A(19): 926-929
[4] Guo Jiang, Application of CFD technique in design and selection of oil and gas separator.