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The model of exhaust silencers discussed in this article is fluid-solid interaction model and this paper uses the CFD software for numerical simulation of the model.
Mesh generation technology is an important part of computational fluid dynamics, and the accuracy of CFD calculations relies heavily on the quality of the generated mesh.
We can see that mesh generation technique is one of the key technologies in using CFD as effective tools in aerodynamics works.
This proves that numerical simulation methods can be used in silencer structure simulation and optimization.
CFD software principle and application ( Tsinghua university press, Beijing 2004).

With the advancement of computers and CFD software, using the 3-Dimensional simulation of the flow within intake manifold is growing fast these days.
CFD code FLUENT was used for the steady state simulation and 1D wave code was used to obtain the boundary conditions for unsteady state simulation.
Summary of the literature review: For steady state simulations CFD codes FLUENT and STAR-CD has been widely used in the literature.
For most of the integrated 1D and 3D-CFD simulations, 3 to 4 engines cycles were used to determine real flow conditions of the engine operation.
CFD can perform the base of virtual simulation of the experimental test.

Numerical Simulation of Muzzle Flow Field of Gun Based on CFD Zhangxia Guo1, a, Yutian Pan1,b,Yongcun Wang2,c and Haiyan Zhang3,d 1 College Of Mechatronic Engineering North University Of China,Taiyuan,China 2 Northwest Institute of Mechanical & Electrical Engineering,Xianyang,China 3 China North Vehicle Research Institute,Beijing,China a guozhangxianuc@163.com, bpanyutiannuc@163.com, c401713043@qq.com, d bysyzhy@hotmail.com Keywords: numerical simulation; muzzle flow field; CFD Abstract.
The numerical simulation result was identical with the experimental.
With the development of CFD and computer technology, the method of numerical calculation can more accurately simulate the development process of the muzzle flow field.
Numerical simulation of wave system . [ Ph D Thesis ].
Numerical simulation of muzzle blast flow field of large caliber guns.

There are many quantitative methods of building climatic design strategy, and these methods can be generalized as blow: building energy consumption calculation and analysis, natural light simulation, CFD simulation and coupled heat transfer simulation etc.
On the bases of practical building climatic design strategies of Wuhan construction building, this paper is about to focus on discussing the CFD simulation.
The following content will focus on discussing the methods of natural ventilation and CFD simulation.
This thesis taking the real conditions into consideration sets three CFD simulation cases, according to the simulation results to decide whether or not to continue adjusting design plan.
Then quantitative evaluation methods such as CFD simulation are adopted to evaluate the effects of these passive technologies, and at last methods should be adjusted in the interaction between architectural design and computer simulation.

Fig. 3(b) shows the CFD simulation result from the current study and Fig. 3(c) shows the experimental result of the water model using the LDA measurement.
The flow structure of the two counter-rotating toroidal vortices can be captured from the CFD simulation.
The comparison of the flow pattern between the CFD simulation and the experiment results shows good agreement with minor difference.
The CFD simulation and the experiment results of 1-strand tundish model shows good agreement with minor difference.
Sukam, CFD Simulation of Molten Steel Flow with Isothermal Condition in the Continuous Casting Tundish, KMUTNB Int J Appl Sci Technol, 9 (2016) 71-77

Email: xuewen.xiao@cisdi.com.cn Keywords: blast furnace, taphole angle, main trough, slag-metal separation, CFD Abstract.
Gas-liquid two phase flow of blast furnace taphole stream into the main trough is studied through computational fluid dynamics (CFD) method.
Tapping process of blast furnace with different taphole angles is simulated by volume of fluid model of CFD.
Fig. 1 Tapping model f) Simulation Parameters The numerical simulation involves gas and liquid two phases, air and molten metal.
Conclusion The blast furnace tapping process with different tophole angles is research by CFD method in this work.

Most of the computational research interest has been focused on the simulation of the fluidized bed hydrodynamics, of multiphase flows using the Eulerian-Eulerian for non-reactive fluidized beds [3, 4] and chemically reactive flows with heat transfer.
The scope of the present simulation is to determine the heat and momentum transport inside the reactor and the chemical reactions of the palm fruit biomass particle.
The model combines the bed hydrodynamics and fast pyrolysis process in a using CFD FLUENT 12 computer code.
Nevertheless, the CFD technique may assist to optimize the design of the reactor for distributed farm scales.
Mtui: CFD Modeling of space-time evolution of fast pyrolysis products in bench-scale fluidized bed reactor.

Secondly, a three-dimensional numerical simulation on the oscillatory fin was performed by computational fluid dynamic (CFD) to investigate the interaction with the surrounding fluid and the propulsive force production.
The experimental results accord with the CFD results well.
Kinetic model Fig.4 Action simulation by CFD Fig.5 Thrust force simulated by CFD CFD method Based on the dimension of the pectoral fin, a zero thickness initial geometrical model was set up.
In the present work, the governing equations with the above-described computational domain and simulation setup are solved by FLUENT (version 6.2).
The experimental results accord with the CFD result very well.

Four stages from starting to reaching the stable rotation are described in that paper, which provides a good validation case for CFD simulations.
Untariou et al. [6] studied the two-dimensional and three-dimensional unsteady flow field during self-starting of a H-type wind turbine using CFD simulations.
Chen et al. [8] studied the unsteady aerodynamic performance during self-starting of a two-dimensional H-type wind turbine with pitch angles of 0o, 10o and -10o using CFD simulations.
The aerodynamic performance and the bypass flow field of a H-type vertical axis wind turbine with symmetrical airfoil during self-starting are investigated using CFD simulations in this paper.
Conclusions The aerodynamic performance during self-starting of a H-type vertical axial wind turbine with three blades was investigated using CFD simulations in this paper.

Numerical simulation using Computational Fluid Dynamics (CFD) is considered to be a useful tool for developing reliable pressurized mixing fluid profile correlations and providing good understanding in the fluid flow mechanisms in particular reaction time and geometry of the mixer.
Details of the CFD simulation CFD model of the mixer.
The results from CFD analysis will show the more preferable pressure for significant geometry condition of the mixing zone.
In this investigation, all the significant operating condition and process arrangement applied to the 2-D CFD model for the mixer.
The current study is expected to provide the general idea of CFD application for nano-particle production at mixing stage.