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Flows field analysis is done through computational fluid dynamics (CFD) software.
Unthreaded hole is experimented on the basis of simulation.
Flows field simulation analysis is done through computational fluid dynamics (CFD) software under the condition of changing injection pressure, abrasive diameter and nozzle elevation angle for thorough research and the better finishing process parameters are obtained.
Finishing Simulation.
Zhang: The Principle and Application of CFD Software (Tsinghua University Press, China 2004).

Furthermore propeller design and simulation process plays vital important role in the whole ship design process.
It presents the numerical methodology to simulate the flow field in single propeller blade channel in open water using CFD software.
The reliability of CFD method is verified through comparison between the results of calculation and measurements.
Grid quality has great influence on calculation precision and efficiency during CFD simulation.
[6] Watanabe, T., Kawamura, T., Takekoshi, Y.: Simulation of steady and un-steady cavitation on a marine propeller using a rans cfd code.

The predictions by the computational fluid dynamics (CFD) code ACE+ ® were compared with measured transient phase-averaged velocities of Rumsey et al. for software validation.
For a synthetic jet under the crossflow condition, the transient velocities measured near a circular orifice were obtained specifically for CFD code validation [6].
For prediction of such complicated flow problems, a computational fluid dynamics based computer code can be very useful as a simulation tool to optimize the control parameters.
In this research, simulations using CFD code ACE+® were performed to investigate the flowfield structure induced by the interaction of a single synthetic jet with a crossflow.
Conclusions In this study, the flow simulations using the k-ε model were generally more accurate than those by the RNG k-ε model in determining the temporary velocity profiles.

In this study, Computational Fluid Dynamic (CFD) is used coupled with detailed chemical mechanism (38 species and 69 reactions) for simulation of HCCI combustion of iso-octane and transitional flow inside the combustion chamber of a 2-stroke engine.
For simulation of HCCI combustion and transitional flow inside the combustion chamber, Computational Fluid dynamic (CFD) method is used coupled with detailed chemical mechanism.
Commercial CFD solver ANSYS-FLUENT 13 is used for solving the governing equations (Continuity, Momentum, Energy, Turbulence and chemical kinetics).
For chemical simulation of iso-octane oxidation, a skeletal mechanism including 38 species and 69 reactions is used [9].
For simulation of HCCI combustion and transitional flow inside the combustion chamber, CFD is used coupled with detailed chemical mechanism (including 38 species and 69 reactions).

A S60 CB=0.6 ship model is taken as an example to the numerical simulation.
Unsteady RANS simulation of a surface combatant with roll motion[J].
CFD simulation of 3-dimensional motion of a ship in waves: application to an advancing ship in heading waves[J].
CFD calculation for resistance of a ship moving near the critical speed in shallow water[J].
Numerical simulation of free ship model towed in still water[J].

Numerical simulations are performed using the commercial computer program Ansys Fluent ® CFD (Computational Fluid Dynamics).
Another study comparing experimental results with those of numerical simulations is [4] and uses the same boundary conditions.
Numerical simulations are realized using the commercial software Ansys Fluent ® CFD (Computational Fluid Dynamics).
Numerical simulations are performed using the commercial software ANSYS Fluent ® CFD.
Chereches, Numerical simulation of dynamical aspects of natural convection flow in a double-skin façade, Energy and Buildings, pp. 229-233, (2012)

atmichamech@gmail.com, bsiva.seralathan@gmail.com Keywords: CFD, vertical axis wind turbine, self starting, NACA profile Abstract.
The commercial CFD code, ANSYS CFX 13.0© was used for the present studies.
The rotating reference frame method is effective and simple for the steady-state simulations [8].
Three dimensional computational domains are modeled to perform the simulation.
ANSYS ICEM CFD 13.0© is used to generate unstructured grid with tetrahedral elements in the computational domain.

In this paper, the relationship between impeller design parameters and performance of a partial emission pump is studied by numerical simulation.
All the numerical simulations were carried out by using the commercial software FLUENT V12.1 based on the Realizable k-ε turbulent model.
Partial Emission Pump Geometry and Numerical Simulation Model Pump Geometry.
Unstructured tetrahedral meshes were generated by using the ICEM-CFD software.
The simulation results of head and efficiency are compared, as shown in Fig2 and Fig3, respectively.

The CFD model was created on the basis of the experiment, and the results were basically accord with the experimental results.
In addition, CFD simulation of tunnel fire can also provide reference data measurement, and it is easy to change the conditions in the experiment.
Comparison of simulate results with experimental results.CFD method was used to study this ventilation mode; the results of numerical simulation and experiment was shown in Table 3.
Britter.CFD Simulations of a Tunnel Fire-Part I.
Britter.CFD Simulations of a Tunnel Fire-Part II.Fire Safety Journal 26 (1996)

Only the reasonable gas flow ensures the uniform temperature field.The paper uses the technique of computational fluid dynamics (CFD) to conduct the numerical simulation of the flow field and finds out the law of the distribution of the temperature field,on the basis of which the numerical simulation of non steady state of the freezing process of the frozen products is carried out.The experiments prove that the simulation results can better reflect the reality,and show that CFD tools can play an important role in the design and optimization of cold storages.
Because the process of freezing is a process in which the temperature changes over time, you need to set the unsteady method of research method of unsteady.Therefore, its computation is more complex, the simplified grid model iterates more than 3000 steps.[6] Fig 8 Division of the grid of frozen goods Fig 9 The final temperature field distribution 2.3 Numerical simulation computation After the physical materials of frozen goods are set,by the simulation computation,the distribution of the final temperature field is obtained,which is shown in Figure 9.The figure clearly shows that the temperature in the center of the frozen goods is the highest,and the effect of freezing lasts longes. 2.4 the analysis simulation results Based on successfully simulating the flow field in cold storages,the goods model is created.The freezing process of numerical value is calculated.The results show that the temperature of goods at the beginning falls rapidly because of the
JAKUBOWSKI:CFD Simulations as a Supporting Tool for Process and Construction optimization in Food Industry Production Practice: A Case Study of a Single Truck Smoking Chamber[J].Italian Journal of Food Science, Vol. 11(2013),P.251 [3] Foster A M, Barrett R, James S J: Measurement and prediction of air movement through doorways in refrigerated rooms [J] .
The numerical simulation and validation of the gas flow field in cold storages [J].
Journal of agricultural engineering, Vol. 2(2005)P. 11 [5] Xie Jing, Wu Tian The numerical simulation of the temperature field of small cold storages in the process of opening and closing doors [J].