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The results of numerical simulation can accurately analyze the fan flow field.
Only by the simulation of the whole flow field, information can be picked up.
The results of simulation can be taken as guidance for further optimization of the fan.
Computational Fluid Dynamics Analysis: Principle and Application of CFD Software.
ANSYS ICEM CFD Mesh Technology Example Explanation.

Establish valve stem leakage flow channel model, apply the CFD numerical simulation the internal flow field and noise.
Through the establishment of the valve stem leakage of three-dimensional flow model, the application of CFD to numerical simulation and analysis of the valve stem leakage of internal flow field and noise, as the theoretical foundation for further research the valve stem leakage.
Fig. 9 Valve acoustic power distribution Fig. 10 Stem leakage acoustic power distribution Conclusion Establish flow channel model of trouble-free and valve stem leakage, apply the CFD numerical simulation the internal flow field and noise, and get the following conclusion
Numerical Simulation and Analysis of Interior Flow Field in Control Valves under the Blocking Fault[J].

The compared analysis of Surface-panel method with CFD The calculation process of CFD.
The compared results from panel method and CFD result are given in Table1.
Because viscosity is considered in CFD results, which results in the redistribution of propeller trust and duct trust.
First, we compared the surface panel method result with CFD for a ducted propeller to make sure the accuracy of surface panel method.
Vol.23(2008),p.8 [3] YAO Zhen-qiu, GAO Hui, YANG Chun-lei: Numerical Simulation of Interaction between Submarine and Propeller Based on Approach of Sliding Mesh.

Simulation Study on The Spiral Flow Under Two Different Intake Ways Jianhua Lv1,a, Xue Li1,b , Xu He2 and Hongyan Chen2 1Institute of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China actstljh@163.com , bctstlixue@163.com Keywords: CFD, spiral flow, secondary vortex Abstract.
The use of computational fluid dynamics (CFD) numerical simulation study gas flow state of the cylinder body, not only able to get flow macroscopic properties in conditions of the shape of the gas inlet, air intake way and other parameters, and also can get a lot of the microscopic information of the internal flow field[6].
Experiment CFD model establishment.
We adopt the the RSM for the simulation.
Simulation results and analysis are as follows.

CFD Modeling There are two representative CFD models developed to simulate the gasifier, the non-premixed combustion model and the species transport model, respectively.
Kojima, Numerical simulation of entrained flow coal gasifiers.
Kojima, Numerical simulation of entrained flow coal gasifiers.
Zhong, Three-dimensional simulation of fluidized bed coal gasification, Chem.
Zitney, Gasification CFD modeling for advanced power plant simulation, Proceedings of the 22th International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, September 12, 2005

2D Simulation of the Gas-solid Two Phase Flow inside the Abrasive Jet (AJ) Nozzle R.
The simulation of the gas-solid two phase flow inside the abrasive jet nozzle is studied by the computed dynamic software (CFD)-FLUENT, the velocity field of the two phase flow and the trajectory of the abrasive inside the nozzle are obtained.
However, many researchers have used computational fluid dynamics (CFD) method to solve problems which can not be solved theoretically and experimentally [5-7].
Simulation Equation The Eulerian model is used as the simulation equation.
Simulation Model The model for simulation is established with a cone angle of 15°, 30° and 45°, and the inside fillet radius of the model is 0.5, 1.0 and 2.0(mm).

Keywords: slag cleaning furnace; reducing oil lance; liquid level tracking; CFD simulation Abstract: In view of the serious problems that low-rate reduction and excessive oil consumption of reducing oil guns which are used in the depleted EAF, analyzing the jet mixing process through the CFD simulation with the method of liquid level tracking, we find that the purpose of mixing slag layer, guaranteeing matte layer precipitation and saving oil can be achieved by changing combination of gas rate of mixture injected by the oil gun, jet speed and insertion depth.
This paper mainly performs simulation for jet flow field in the slag cleaning furnace.
Interpretation of result We try to make a simple air jet model at the beginning of simulation.
Conclusion (1) The study simulates flow field developing process, for oil guns injection process, simulation results may emulate the flow field well in the pool
A Practical Course in FLUENT fluid Analysis and Simulation[M].

This thesis uses CFD software Fluent and based on the VOF method to simulate the liquid film flow on inclined flat and corrugated wall.
The simulation is based on two-dimensional unsteady Navier-Stokes equation and the VOF interface tracking technique.
Liquid Flow on Structured Packing CFD Simulation and Experimental Study.
CFD Simulations of the Local-Flow and Mass-Transfer in the Structured Packing:Tianjin: Tianjin University. (2004) [10] SUN Feng-dan.
Numerical simulation on liquid flow characteristics of the wavy plate:Modern Chemical Industry, Vol. 32(1) (2012), p. 90 [11] PAK Myong-il, HU Guo-hui.

High-speed train passing through the noise barriers is a large deformation in CFD.
The large deformation needs to use the dynamic mesh of the CFD.
In this study, based on dynamic mesh technology and large eddy simulation method, the whole process of the train passing through noise barriers is simulated by computational fluid dynamics (CFD) software.
The study has 20 simulation conditions.
The simulation calculation parameters are reasonable and the simulation models are correct according to the Table .

With the rapid development of computer technology, computational fluid dynamics (CFD) has already been proved to be a useful and powerful tool in fire safety science.
With the rapid development of computer technology, computational fluid dynamics (CFD) has already been proved to be a useful and powerful tool in fire safety science [3].
In this simulation, Large Eddy Simulation (LES) is used as turbulence modeling, which is originally developed by Smagorinsky to study large-scale circulation in the atmosphere.
All the sprinkler is opened by the temperature in this simulation.
From this simulation, it can be shown that case 1 is much more suited to the restroom.