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By means of FLUENT, the general software of CFD, the swirling airflow field from different airflow head is simulated.
The simulation results are shown by the flow line graphs, tangential velocity, radial distribution graphs, etc.
The Numerica Silmulation of Airflow From Different Swirling Airflow Head With the development of the technology, the fluid can be simulated by FLUENT which is a general software of CFD[6].
Numerical simulation of airflow field can avoid blindness of experimental research and improve foresight of practical application.
Numerical simulation is done for different airflow field by FLUENT[7].

Their Quasi 2-D CFD Code has been discussed below.
The code was made for simulation of a disc with 10 mm outer diameter, 6 mm inner diameter and rotating at 200,000 rpm.
Geometric design of the WDE generated by Quasi 2-D CFD Code [1].
Janusz Piechna Model [12] Piechna’s calculation was based on simulation based on MEMS model.
[17] Pohořelský L., Macek J., Polašek M., Vítek, O., 2004, “Simulation of a COMPREX Pressure Exchanger in a 1-D Code.”

Computations of Transient Flows and Sprays of Port Fuel Injector Yin congbo1, a, Zhang Zhendong1,b, Guo Hui2,c and Cheng Qiang1 1College of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China 2College of Automobile Engineering, Shanghai University of Engineering Science, Shanghai 201620, China aemailyincong@tom.com, bzzhend@hotmail.com, c ghguohui@yahoo.com Keywords: Transient Flow; Port Fuel Injector; Spray; CFD simulation Abstract.
A CFD method was adopted to study the transient flow and spray characteristics of multiple nozzle holes port fuel injector.
The simulation is performed using the standard k-epsilon model.
Compared with the experiment results, the fuel flow rate is higher for simulation.
Spray Simulation Results Spray simulation was performed in a computational domain of 50 x 50 x 100 mm3.The size of cells is 1 mm.

Research of flow coefficient of new throttling/sealing valve based on CFD Yabin Jin1, a Sanping Zhou 2,b Hong Zhang3,c Rui Yang 4,d 1,2Institute of Mechanical Engineering, Xi’an Shiyou University, Xi’an 710065, P.R.
Numerical simulation was performed on the flow coefficient of the valve by using FLUENT, software of computational fluid mechanics and by the standard model.
At present, in scientific research computational fluid dynamics (CFD) software is an important means to numerically simulate the fluid flow [5].
Results of Numerical Simulation and Research Calculation of Flow Coefficient and Resistance Coefficient.
Summary Conclusions can be reached through numerical simulation analyses on the new throttling/sealing valve by adopting the FLUENT software

amshaiful@unimap.edu.my, bmohdamirulamin@gmail.com, cnazri@fkm.utm.my, dnorwazan@upnm.edu.my, emaelazmi@gmail.com Keywords: Combustion, Computational Fluid Dynamics (CFD), Envo-Diesel, CO2 emissions.
This study is to perform a detailed simulation of combustion and thermal flow behaviors inside the combustor.
The simulations are conducted using the commercial Computational Fluid Dynamics (CFD) package software to determine the spray flames and combustion characteristics of commercial diesel fuel, envo-E5 and envo-E10.
The CFD, Fluent computer code is used to model a 3D steady-state simulation of physical domain which is considered axisymmetric due to axial symmetry of the system.
For spray flame simulation, the results emphasize on diameter and temperature of the fuel droplets.

Numerical simulation of multi-layer rectangle micro-channel heat sink for single-phase flow and heat transfer Lifeng Wang1,a, Baodong Shao1,b, Heming Cheng1,c and Ying He1,d 1Faculty of Civil and Architectural Engineering, Kunming University of Science and Technology, Kunming, People’s Republic of China awanglifeng0314@163.com, bshbd_1221@163.com, cchenghm650093@yahoo.com.cn, dscdx.heying@163.com Keywords: Multi-layer micro-channel heat sink; Heat transfer; Thermal resistance; Pressure drop; Numerical simulation Abstract.
During the simulation, Finite Volume Method (FVM) was used to solve Computational Fluid Dynamics (CFD) problem.
Lauren Boteler et al. [2] used CFD models to identify the impact of varying both the manifold and microchannel fin and channel dimensions, and demonstrated both large velocity gradients between microchannels, as well as fluidic swirling in the microchannels that significantly improved the heat transfer coefficient.
Numerical solution and discussion The numerical simulation is used to verify the cooling performance of optimal micro-channel cooling heat sink by using electronics cooling software that has been previously used in analyzing the heat transfer character in electronics and chip cooling applications, which uses Finite Volume Method (FVM) to solve Computational Fluid Dynamics (CFD) problem.
Compare with the analysis results, the relative error is 7.3858 percent, which shows the numerical simulation agree well with the analysis results.

Numerical Study of a Flap Rudder Based on Turbulence Model LES Shuguang Wu1, Hean Liu2,a* 1Modern Education Technology Center, Hunan University of Technology, China 2Hunan City University, China a liuheanlaoshi@sina.com * Corresponding author: Hean Liu (liuheanlaoshi@sina.com) Keywords: Flap rudder, CFD, LES, Vorticity Abstract.
The flap rudder flow field at Re 1.4×106 is calculated using computational fluid dynamics (CFD) method.
Large eddy simulation (LES) turbulence model is adopted.
Sunho Park[4] carried out simulations performed for various devices aimed at controlling the gap flow in two-dimensional and three-dimensional domains using the Reynolds-averaged Navier–Stokes equations.
In order to study flow mechanism and boundary layer separation more clearly, the large eddy simulation turbulence model was used.

Based on this optimized geometry, the aim of the present paper was to verify the influence of the underflow diameter on the overall separation process at 147 kPa on the same optimized hydrocyclone geometry, but without the filtration effect, by performing laboratory experiments and CFD simulations using the commercial software Fluent®.
For that reason, CFD was applied in this study.
In order to understand better the internal flow of the equipment, the volumetric feed flow rate results shown in Table 1 were used as input for the fluid dynamic simulations.
Fig. 2 and 3 show the final results of these simulations.
vz(m/s) DU (mm) 3 4 5 Fig. 2 – CFD results of descendent axial velocity (vz).

With the rapidly development of CFD technology and computer technic, results of CFD calculations can provide us with plenty of reference[3-5].So it’s a kind of labour and time saving to use CFD method in the hydraulic model research of nuclear main pump, by which we can screen the designed model accordingly.
The whole domain flow channel was assembled in PRO/E and imported to ICEM-CFD for grid partition.
The numerical simulation adopted three-dimensional steady incompressible time average Reynolds equations, which was closed with standard k-ε turbulent model.The specific mathematical model refer to references.
Nuclear Engineering and Design, Vol. 167 (1996), p.91 [3] Zhijiang Wu,WanYong Zhao: Numerical simulation of interior flow field of mixing flow pump[J].Fluid Machinery, Vol. 33-10 (2005), p. 15.
:Numerical simulation of the effect of structure parameters on the mixing circulating water pump performance[J].

The fabrication of chip and set-up of system are clearly described and simulations also carried out utilizing CFD-ACE to study the electric field strength distribution and the time span when fluid passes through different electric field strengths.
Simulation and Results The Simulations were also carried out on the personal computer using the CFD-ACE to analyze different models.
And simulations were also carried out about this model.
The fabrication of chip and set-up of system were described and simulation of the proposed EP system was also shown in the paper.
Simulations using CFD-ACE were also carried out on different models.