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Eulerian-Eulerian approach is used for simulating the two-phase flow for icing simulations in FENSAP-ICE.
All numerical simulations are carried out at the operating conditions specified in Table 1.
Operating conditions used for the simulations.
The time step is set to 1x10-6 for the transient CFD simulations.
CFD based numerical analysis also provided a good insight of the boundary layer flow behavior for both iced and un-iced profiles.

Ltd, Hefei 230009, CHINA awangshuwang@jee-cn.com, b1065837079@qq.com, chu-junming@qq.com Keywords: Motor, Temperature Field, Simulation, CFD Abstract.
The fluid-solid-thermal coupling simulation was accomplished by CFD method and the steady state temperature field of the motor under rated condition was obtained.
Based on the calculation of losses, this article established a more accurate motor thermal simulation model, using CFD methods for a certain type of water-cooled permanent magnet synchronous motor with a fluid-solid thermal coupling simulation analysis, and got the steady-state three-dimensional temperature field of the motor.
Simulation Model Calculation Basis of CFD Fluid-Structure Coupling.
Main Simulation Parameters.

In computational fluid dynamics (CFD) simulations, the large number of fuel rod bundles is approximated with porous medium technique that imposes similar flow resistance to the motion of the fluid.
The experiment was analyzed in comparison with a CFD simulation to validate the proposed CFD models.
Results and discussion The pressure drop for various velocities was compared with CFD simulation result and experimental data, as shown in Fig. 3.
For CFD simulations, the variation of pressure drop along the flow stream of model 5×5 is more obvious than the result with porous-medium approximation.
The analysis result of experiment and CFD simulation with porous medium are feasible, and the maximal velocity occurred at the center of fuel bundle in the pool.

It is also demonstrated that how computational fluid dynamics (CFD) is used to simulate phenomena at different scales.
This paper is the aspiration to furnish some thoughts about CFD utilization to assemble models at larger but coarser level. 2.
Simulation Results and Discussion 3.1.
Two phase simulations Two-phase simulations provide a simple approach to study the process released with gas and raw materials flow.
Justification of CFD models by experiments will be one vital keystone in upcoming maturity of metallurgical applications.

Fig.4 The coordinate of the deviation (two dimensional) CFD Simulation And The Simulation Experiment Results.
Thus CFD simulations are carried out to conduct the experiment.
But in CFD simulation the velocity field of the section (beginning of the outlet orifice) is available.
One model simulation takes 3 hours.
The spraying experiments coincident with the CFD simulations.

Analysis and Simulation of a New Integrated Printing and Drying Machine YUAN Juntao1, a, WEI Ruiyuan1, b 1School of Mechatronics, Soochow University, Suzhou 215021, China ayuanjuntao@gmail.com, bruiyuanwei@gmail.com Keywords: Drying; ABS; CFD Abstract: This paper has a research on a novel integrated printing and drying machine.
The drying machine is also introduced and the drying process is simulated by CFD software.
Simulation and Analysis.
It’s a kind of widely used CFD software.
So the simulation model is proved right, and the simulation result is effective.

The interaction between abrasive waterjet and target is studied by computational fluid dynamics (CFD) and finite element method (FEM).
The flow field inside and outside abrasive waterjet (AWJ) nozzle is obtained by CFD software.
The realized k-ε model is chosen in this simulation work.
When the iteration is converged, the simulation results are obtained.
Simulation Results and Analyses The simulation of Figure 2 is the flow field inside and outside the AWJ nozzle.

China axdwang@mail.neu.edu.cn, b120040622@163.com, cwangtian6809@163.com Keywords: butterfly valve; large diameter; flow characteristics; CFD simulations Abstract.
A numerical approach was used to investigate the flow characteristics around a butterfly valve with the diameter of 2108 mm by the commercial computational fluid dynamics (CFD) code FLUENT6.3.
The simulation was carried out to predict flow field structure, flow resistance coefficient, hydrodynamics torque and so on, when the large diameter butterfly valve operated at various opening degrees.
Fig.1 geometric structure of butterfly valve The experimental study to the flow characteristics around a butterfly valve has been more and more difficult with the diameter of butterfly valve increasing, and the Computational fluid dynamics (CFD) is a good choice as a research tool to investigate and predict complicated flow and heat exchanging processes, and there have been some reports on the flow behavior around a butterfly valve by CFD [3-5].
Numerical Simulations The commercial CFD code FLUENT6.3 is employed as a platform for CFD simulation.

CFD Model Details Mathematical model The CFD model presented herein adopted steady, incompressible, laminar two-phase flow assumptions, with non-Newtonian power law viscosity.
The simulation was performed for pressure filtration where inlet pressure was kept at 100 kPa.
The result of the validation case agrees well with previous published simulations [17].
"Wellbore thermal simulation model: heory and User's Manual."
"Filter cake formation on the vertical well at high temperature and high pressure: Computational fluid dynamics modeling and simulations."

A Simulation Research on the Noise and Flow of Vehicle Cooling Fans Zhao Cheng Yuan1,a, Fu Quan Zhao2,b, Hai Bo Chen1,c, and Jia Yi Ma1,d 1State Key Laboratory of Automobile Dynamic Simulation of Jilin University, Jilin, P.R. of China 2Geely Automobile Research Institute Co, Ltd, Zhejiang, P.R. of China ayuanzc0528@126.com, bzhaofq@geely.com, ckeelychenhb@163.com, dyijiama@126.com Keywords: CFD Model, Axial Cooling Fan, Aerodynamic Noise, Air Flow.
The numerical simulation results were found to agree well with the experimental data.
Numerical Simulation Model The CFD models provide unique approaches being able to precisely simulate the detailed effect of numerous design parameters on the performance and noise of the cooling fans without the involvement of the design, fabrication of a prototype.
M．Henner，S.Kessaci and S.Moreau, “Latest Improvements of CFD Model of Engine Cooling Axial Fan Systems,” SAE Paper 2002-01-1205
Moreau, “Detail CFD Modeling of Engine Cooling Fan Systems Airflow,” SAE Paper 2003-01-0615.