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Anxian, Sichuan 621010, China yhclouse@sina.com, xiangbeiping@163.com Keywords: slurry bubble column, gas dispersion, solid suspension, numerical simulation, computational fluid dynamics (CFD).
Gas dispersion and solid suspension in bubble column can also be studied by CFD simulation.
For studying on hydrodynamics in the reactors for producing sodium dichromate as mentioned above, in present work, simulations with CFD method are performed for predicting the velocity, gas and solid holdup distributions in the industrial size slurry bubble columns.
Numerical Models and Simulation Methods Simulation domain and grid generation.
CFD modeling of slurry bubble column reactors for Fisher-Tropsch synthesis[J].

The CFD numerical simulation on flow characteristics of BOF gas in evaporating cooler has been accomplished.
The gas velocity distribution, temperature distribution and dust distribution in the evaporating cooler are simulated by CFD.
Optimization of Design of Evaporating Cooler Mathematical model on fluid flow and temperature distribution in evaporating cooler is established, and CFD is used to numerical simulation.
As a result, the CFD investigations proved the BOF gas velocity and temperature distributions are improved and optimized.
CFD numerical simulation is applied to study the gas flow field and distribution of temperature field in evaporating cooler.

Fig . 1　Structure of the proportional control valve Flow Field Simulation of Proportional Control Valve According to the design proportional control valve, 3D fluid model was established in the ANSYS CFD.
Numerical Simulation Results.
(2) It uses CFD simulation and study the pressure distribution of Internal flow field of proportional control valve , which discusses flow through the valve at various different pressure ,acquires verified test results
Development of multibody dynamics simulation tool for tracked vehicles[J].
Stellar Fluid Dynamics and Numerical Simulations, Vol.41 (2006),p. 43 [7] Gimbun J.

In this paper, Based on the research of CFD basic theory and several key technologies, the numerical model for solving three-dimensional flow field around the open water rudder is proposed.
The numerical results are compared with experimental results, showing that the CFD model which is proposed in this paper is suitable for computation of hydrodynamic forces and simulation of the viscous flow around the open water rudder.
Introduction At present, CFD is used widely to analyze the open water rudder’s hydrodynamic forces by engineers [1].
Table 1 Open water rudder numerical simulation test No.
Reynolds Test type Test method Simulation Purpose 1 1.82×106 Going straight ahead test.

The corrected aerodynamic parameters can then be compared to the CFD results.
The revised aerodynamic coefficients were subsequently compared with the CFD simulation results.
(2) CFD Simulation.
A further advantage of CFD is the convenience of flow visualization.
Flight Trajectory Simulations and Comparison.

Numerical simulation studies are carried out for improvement of energy efficiency in a room by with different thermal insulating materials using computational fluid dynamics (CFD).
A multi-physical 3D model room of size 2.6 m × 2.6 m × 2.6 m is created to analyze the performance of different insulating materials using CFD simulations.
The studies are carried out using commercial CFD tool of ANSYS CFX 15.0.
Geometry and Boundary conditions A room of size 2.6 m × 2.6 m × 2.6 m is created to analyze the performance of different insulating materials using CFD simulations with door way of size 2 m height and 1 m width.
TRNSYS, A transient system simulation program, User Guide Version 15.

CFD Numerical Simulation on Swirl-flow Combustion in Freon Decomposition Burner* GAO Hong1,a, NING Ping1,a**, ZHANG Di1,a, LIU Tian-cheng1,a, WANG Shibo2 1Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093,Yunnan Province,China 2Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093,Yunnan Province,China aGaohong208@hotmail.com ** Corresponding author.
E-mail Address: ningping58@sina.com.cn (NING Ping) Keywords: Burner; CFD; Vortex Flow; Freon Decomposition Abstract.
The different burning ways in the burner were simulated by the way of numerical simulation of CFD（computational fluid dynamics）.
So the Eddy-Dissipation model(EDM) is the most appropriate to the numerical simulation.
The commercial CFD software – Fluent 6.3 was used to solve the model.

TeleFax: (55) (34) 3239-4188, email: masbarrozo@ufu.br, kassiagsantos@gmail.com Keywords: CFD, 3D, spouted bed, simulation, power spectrum.
One of these techniques has been the CFD simulation.
In this paper, the spouted bed regime flow was investigated using experimental pressure fluctuations and power spectrum and numerical simulations using the three dimensional (3D) Eulerian multiphase CFD model using the Fluent 6.3.26 software.
Conclusions In this paper, the different flow regimes were investigated using the pressure fluctuations and power spectrum experimental data, as well, CFD simulation by a three-dimensional (3D) Eulerian multiphase model using soybean particles.
It was possible to foresee by 3D CFD simulation the minimum spouting flow rate and pressure drop with small deviations (0.35% and 2.07% respectively) in relation to the experimental data.

Heating of a novel field shower equipment was computational simulated by CFD software in the schematic design phase, and the correction of simulation was verified in the environment laboratory.
For the novel shower equipment, CFD (Computational Fluid Dynamics) [4] is adopted in this paper to do research on the heating in cold environment.
According to the initial and boundary conditions, the CFD software Airpak is applied to do the simulation.
Fig. 3 shows the simulation results.
CFD model of the airflow, heat and mass transfer in cool stores[J].

Fig. 2 The CFD grids.
CFD Grid Generation and Calculation Models.
The CFD grids were achieved by the aid of FAME Engine Plus modular in the FIRE package.
Fig. 2 shows the CFD grids corresponding to 720 ºCA.
Numerical simulation.