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Simulation and Analysis Gas distribution in fully mechanized coal face.
The application of CFD in air flow design of air-conditioned room.
Numerical simulation of droplet-particle flow in the scrubber for FGD.
Gas Transport Law and Numerical Simulation Under Ventilation.
The application of CFD in air flow design of air-conditioned room.

On the basis of the theory of the orthogonal test method and the requirement of the design on the stirring system, the factors and their levels of numerical simulation experiment are confirmed and the orthogonal test scheme is established in this paper.
Also the numerical simulation for mixing process of stirring system of the blender truck is carried out with CFD software.
In order to design reasonable stirring system, improve the stirring effect, on the basis of the main influence factors, the numerical simulation is carried out through combining the orthogonal test method and the CFD simulation method.
According to the simulation results, the time stirred uniformly of each group is shown in Table 3.
Table 5 The optimal structure size of stirring system A B C D E[m] G H the 2nd combined form 0.54 0.54 0.171 0.335 the hinge form 6 Conclusions According to the result of the numerical simulation and the range analysis method of orthogonal test, the influence degree of the factors for stirring effect is obtained.

Numerical Study on Flow Characteristics in a Stirring Vessel LIANG Ruquan1,a, JI Junhong1,2,b, Yan Fusheng3,c and HE Jicheng1,d 1Key Laboratory of National Education Ministry for Electromagnetic Process of Materials, Northeastern University, 110819, Shenyang, China 2School of Mechanics and Engineering, Liaoning Technical University, 123000, Fuxin, China 3Research Institute, Northeastern University, 110819, Shenyang, China aliang@epm.neu.edu.cn, bji_jh@163.com, cfusheng_yan@mail.neu.edu.cn, dhejc0432@sina.com Key words: Numerical simulation; Stirring vessel; Desulphurization of molten iron; Flow field Abstract.
In order to improve the desulphurization efficiency of KR mixing method in the process of molten iron refining, the method of CFD was used to analyze the flow field in a stirring vessel.
With the development of modern computing technology, the simulation of CFD provides the high accuracy.

The simulation scenario of leakage and diffusion assumes that LNG transport ships had an accident on the sea.
Gavelli [14] (2011) simulated the process of deflagration of nature gas when LNG loaded on the transport ship by using CFD software FLACS .Edward Bullister [15]simulated the Falcon text and indicated that it was feasible to utilize CFD software with suitable coefficient and boundary conditions to simulate the diffusion process of LNG.
Research of LNG focused on simulation and risk assessment in china, Qin Huang from Nanjing university of technology analyzed different models for LNG leakage simulation and compared foreign experimental date with simulated result.
Many experimental data and images obtained by experiments provided important materials for simulation study.
Many scientific problems such as RPT, the formation conditions of the pool fire are not intensive studied. 3, With the maturation of the CFD technology, Experts and scholars have carried out some researches of LNG through simulation now.

According to the requirements of Evaluation Standard for Green Building (GB/T 50378), the numerical simulation technique (CFD) is used for the quantitative analysis of the ventilation effect of wind pressure and thermal pressure in different regions.
CFD simulation is to analyze the airflow conditions of a region or room by solving the flow field model with quality, energy, momentum conservation and other basic equation from the microscopic perspective [2].
CFD is used for natural ventilation, mainly for the wind velocity layout optimization of natural ventilation and indoor flow field analysis as well as the flow field simulation of large space, like atrium.
The κ-ε turbulence model is used for simulation and with High reliability[4].
Numerical Simulation of Natural Ventilation of High-Rise Building[J].

Computational model, boundary conditions and grid CFD model.
In the cooling chamber, the simulation is performed by using air as the cooling flow, while velocity and temperature contours are set on the jet holes, pressure on the exit.
The computational domain incorporates the model, the HEXA mesh in the software, ICEM/CFD, used to generate the structured multi-block and the body-fitted grid system.
This study is using a commercial CFD code based on the control-volume method, ANSYS-FLUENT 12.0.16, in order to predict temperature, film cooling effectiveness and velocity fields.
This paper conducts numerical simulation to explore this concept, focusing on the effect of droplet under realistic gas turbine operating conditions at high temperature, velocity, pressure.

This simulation has very important meaning for the temperature and pressure checking at the Beginning of the design.
Liu Yongquan[1] point out that CFD can be used to simulate the process of the gas - steam catapult interior ballistic[2], Shen Guo[3] used to simulate the process of the plane launch.
Result (1)From the contrast with Simulation results and the result got by mathematical method, it shows that, the simulation of the launching process on concentration water injection launcher by FLUENT is credible
So use CFD to simulate the launch process can give many reliability proposals, and can help to design the system.
Numerical Simulation and Parameter Design on Steam-powered Catapult [D].Nanjing Institute of Technology,(2010)

Through Two-dimensional CFD software, Zamora et al. [5] did a simulation about vertical solar chimney when it is affected simultaneously by wind pressure and thermal pressure, and analyzed the effect of the chimney structure to ventilation when there is wind pressure.
When devising grid, the near wall face should be encryption processed, to assure the accurate simulation of the velocity gradient of the wall.
Through computing to simplify simulation, the solar radiation is transformed into the constant heat flux of absorption wall and glass in chimney.
In document [6], the writer identified the reliability of solar chimney simulation result and experiment result.
Numerical simulation of Enhanced Natural Ventilation with solar energy chimney (in Chinese) [J].Building Science, 2006, 22(6A):26-29

The Important Influences For Performance of Multiphase Flow Mixed Microbubble Generator Zhekun Li1, a, Wenli Shi1,b, Wei He1,c and Yujin Fan1,d 1 School of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming 650093, China azhekunlikust@sina.com, bswl_ie@163.com, chw_big@126.com, dfanyujin@public.km.yn.cn Keywords: Fluid Mechanics, CFD, Multiphase Flow Mixed Microbubble Generator, Influences Abstract.
In the design and research on the performance of the generators based on the Computational Fluid Dynamics (CFD) [4], the researcher need to improve the structure of the generators in order to increase the turbulent energy, which is the key factor to the performance of the generators.
Analysis of different influences The different influences for performance of MFMMG will be analysed by the CFD. 4.1 the performance of the jet nozzle.
Conclusion The important influences for performance of MFMMG had been studied deeply in this paper by means of the CFD.
Green Manufacturing ICRM 2010, (EI: 20104613377310), p. 488-493 [4] Yukihiro Yonemoto, Tomoaki Kunugi: Fundamental Numerical Simulation of Microbubble Interaction Using Multi-scale Multiphase Flow Equation [J].

The thermo-hydraulic performance of the first wall for CH HCSB TMB was investigated, corresponding analysis have been carried out using CFX, a computational fluid dynamics (CFD) code.
The simulation results show that the maximum temperature 565℃ of the FW is slightly above the allowable temperature limit 550℃ of material.
A commercial Computational Fluid Dynamics (CFD) code, CFX, was used for thermo-hydraulic.
In this simulation k-ε turbulence model was used with scalable wall function.
The simulation results show that the corner of the FW is slightly above the allowable temperature limit.