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With the development of computer technology, graphics and numerical algorithm, commercialized CFD software emerged.
CFX software is a distinguished representative of CFD software.
It must be solved by numerical simulation.
The raceway geometric model was built by using ANSYS ICEM CFD 5.1.
The reason may be too small particles number in numerical simulation.

Simulation and Analysis of the Temperature Rising for Cylindrical Power Batteries LIANG Peng1,a, LI Maode1,b 1College of Mechanical Engineering, Tongji University 4800 Cao-an Road, Shanghai 201804, China aliangpengtj@hotmail.com, blimaode@tongji.edu.cn Keywords: power battery, temperature rise, internal resistance, simulation Abstract.
By carrying out necessary experiments and using CFD simulation tool we get a better battery temperature rising curve and contour of internal temperature distribution under different operating conditions.
To adjust the internal heating rate according to the fitting curves above, the user-defined function (UDF) built in CFD simulation tool FLUENT can be activated to help.
TEMPERATURE RISING SMULATION By using CFD simulation tool FLUENT we simulate the battery transient heat transfer process and get a set of temperature profiles at the center of the battery under different discharge rates(1.0C, 2.0C, 4.0C) and heat dissipation conditions(h =5 W/m2·K, 15 W/m2·K, 30 W/m2·K), and suppose batteries are fully charged at initial state.
Variation trend of internal resistance is observed and implemented into simulation.

Bambang Basuno 2, b, and Abobaker Mohammed Alakashi3, c 1, 2, 3 Faculty of Mechanical and Manufacturing Engineering,Tun Hussein Onn University of Malaysia (UTHM), Parit Raja, Batu Pahat, 86400 Johor, Malaysia ahassan.elkamel@gmail.com, b Bambangb@uthm.edu.my, c Abobaker.alakashi@gmail.com, Keywords: Fluent software, missile, CFD, Compressible Flow Analysis Abstract.
Treating the flow problem in view as two dimensional flow case, since their result will be used as a comparison purposes with the CFD code which currently under development.
This software is well known as a powerful and flexible general-purpose computational fluid dynamics (CFD) package used for engineering simulations of all levels of complexity.
As part of CFD Code development based on Cell Centered Finite Volume scheme which is curently carried out in the present work and the purpose of comparison with Fluent result.
Conclusion The result in term of Mach number and the model of mesh flow domain as presented in this paper can be used as a guide line in developing the CFD code by use different numerical scheme which may not be the same as used in the Fluent software.

A paraboloid-shaped computational domain was prepared for CFD analysis comprising two local refinement regions as shown in Figure 6.
The results of steady-state CFD analysis were then mapped for a coupled thermo-structural simulation to study the structural response of the wing to aerothermal loads.
The simulation was performed for a duration of 120 s using ANSYS Mechanical.
The results of CFD simulation were used in transient thermal analysis where the temperature distribution and total heat flux in the structure were analysed.
Zhang, Numerical simulation of hypersonic flow around an aerospace plane by Parallel RANS based CFD, Procedia Engineering, Vol. 61, (2013)

The Ansys Fluent v.6.2 software was used to solve Reynold Average Navier-Stokes (RANS) equations, and Icem CFD as a mesh generator.
The computational fluid dynamics, as known as the CFD [1,2] has become a practical tool in the simulation of hydrodynamics of marine devices, especially propeller.
The CFD study which focused on the effect of the size of computational domain had been carried out by Zadravec, et.al [4].
The local pressure minima in Fig.4 were obtained at the simulation test for the propeller-to-rudder interaction.
Flexible CFD meshing strategy for prediction of ship resistance and propulsion performance.

ANAND3, c 1, 3 Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli, India 2, Department of Automobile Engineering, PSG College of Technology, Coimbatore, India avp5830@gmail.com,bapkarthipsg@gmail.com, canandachu@nitt.edu Keywords: PEM Fuel Cell, flow channel, CFD modelling, H2, H2O ABSTRACT As fossil fuels are becoming less reliable and more costly, the Proton Exchange Membrane Fuel Cell (PEMFC) is emerging as the primary candidate to replace the stationary and transport applications.
In this study numerical simulation on PEMFC is done by commercially available Computational Fluid Dynamics (CFD) software.
MODEL DEVELOPMENT In this paper a three-dimensional model of a serpentine flow channel design with channel to rib configurations on (L:C) - 2 x 2 has been developed by using commercially available Computational Fluid Dynamics (CFD) software to analyse the electrochemistry and transport phenomena of the reactants and products inside the fuel cell.
In order to solve the myriad of equations associated with a fuel cell simulation, the entire cell is divided into a finite number of discreet volume elements or computational cells.
CFD models for analysis and design of PEM Fuel Cells, Nova Science publishers, Inc.; 2008

Air flow investigation was carried out on the empty bed via CFD approach.
This study attempts to investigate the swirling motion of the fluidizing gas inside the bed via CFD investigation.
Fig. 2 SFB actual system and computation domain in CFD Periodic Boundry.
Simulation of a SFB on actual scale will result high computation time.
In CFD numerical simulation, truncation error and round-off error occurs simultaneously.

The Newtonian flow behavior with relatively high viscosity is assumed for each fluid and used in the simulation with a commercial CFD code (ANSYS FLUENT).
Firstly, the finite volume method divides the domain into many CFD cells.
Then the governing equations are integrated over all CFD cells (control volumes).
The results of the simulations at the location of the MCP for the f1 fluid are illustrated in Fig. 3b.
It is seen that the interface behavior is not affected by the width of the tapes, and this can be used to reduce the simulation domain to have less computational efforts.

Subsequently, CFD simulations of these gaits were carried out and used to define the repertoire of motions that bio-robotic fins be able to perform.
Comprehensive studies have been carried out to assess the effect of the grid resolution and domain size on the salient features of the flow and also to demonstrate the accuracy of the selected grid for the "complete motion" (CFD simulation of experimentally extracted fin kinematics) [3].
In these simulations, the Strouhal number is kept constant at the nominal value of 0.54.
Fig. 6 shows vortex structures for this set of simulations at the end of fin-beat cycle.
Although the modes interact nonlinearly to produce the thrust, the CFD simulation showed that Mode-1, which is a cupping and sweep motion, was able to produce positive thrust throughout the fin beat without being combined with any other modes.

The simulation of thermal pad in semiconductor is using FLUENTTM software.
The results from simulation is been compared to the results from experiment.
As far as the authors are aware, computational fluid dynamic (CFD) had been introduced in this area in 1985 and widely used as a thermal prediction tool thereafter.
Utilization of CFD as thermal prediction tool was employed by Plotnik and Anderson (1995) and Tucker and Paul (1998) as part of design for heat transfer enhancement in electronic devices.
Three-dimensional analyses of heat and fluid flow over a single 84 pins-PLCC package mounted on a printed circuit board (PCB), treated as a conjugate heat transfer problem were reported from Quadir et al. (2000) and Jayakumar et al. (2004) who used Fluent, the CFD software, for the simulations.