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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).

Simulations show the satisfying performance and engineering value in demodulating the mixing AIS signals.
The CFD (carrier frequency difference) of the two signals are 2 kHz apart, and the code rate is 9.6 kb/s.
Fig. 3 Performance comparison between two Fig. 4 Performance comparison between two methods (CFD=0 kHz, 2 kHz) methods (CFD=6k Hz, 7 kHz) Fig. 3 shows SIR vs.
The CFD of the two signals are 0,2kHz apart.
The CFD of the two signals are 6,7kHz apart.

This paper simulated airflow field surrounding the iced conductor by using CFD software and discussed aerodynamic characteristics of iced conductor.
This is further analyzed through numerical simulation in the following text.
Table.1 shows similar overall trend of aerodynamic coefficient gained from CFD simulation with that of wind tunnel test results.
[2] Yanfang Zhai: Overhead transmission conductor simulation and interphase interval research[D].
[8] Pengfei Li, Minyi Xu, Feifei Wang:FLUENT GAMBIT ICEM CFD Tec plot.( Posts and Telecom Press, Beijing,2011),p267

A three-dimensional mathematic model is developed for a 100kw single-end recuperative radiant tube and the simulation is performed with the CFD software FLUENT.
In this study, a three-dimensional mathematic model is developed for a 100kw single-end recuperative radiant tube and the simulation is performed with the CFD software FLUENT.
Simulation results and analysis Comparison of simulation results and experimental data.Fig.2 shows the isothermal profile of central cross-section of radiant tube with 25mm distances between combustion chamber exit and inner tube, and Fig.3 shows the comparison of the tube surface temperature distribution between simulation result and experimental data.
Thus we can conclude that the mathematical models used in the simulation are relatively reliable.
The model governing equations are solved by CFD software FLUENT.

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.

In this work, the effects of the size of the fuel cell on the temperature distribution were investigated using CFD analysis.
Mesh Structure of the Simulation Model.
The simulation model is shown in Fig. 2.
The simulation was conducted using COMSOL Multiphysics v5.3 with the conjugated heat-flow simulation model [10].
Conclusion In this work, the effects of the size on the temperature distribution on MCFCs were investigated using CFD analysis.

In this work, a mesh-free CFD method called Discrete Vortex Method (DVM) is developed to acquire unsteady loads around 2D complex objects.
The simulation must include series of pure heaving oscillations and also pure pitching oscillations [7].
Forced-translation and forced-rotation simulations are performed using DVM to simulate flow over flat plate geometry.
Table 1 lists the parameters for the simulation.
The developed mesh-less CFD solver, Discrete Vortex Method, can accurately simulate the unsteady flow around an oscillating body.

Based on the simulation results, the uniformity of the precursor distribution is better, with the increasment of the inlet flow, so the quality of GaN film is superior.
Previous studies on the temperature in MOCVD reactor chamber focused on the simulations of parameters such as the gas flow in the reactor and the shape of the reactor [5,6].Computational fluid dynamics (CFD) simulation is considered as a significant approach to predict the GaN film growth rate and to examine the dependence on various critical parameters.
Theoretical model The complete transport phenomena in a GaN MOCVD process can be well described using the above equations, all of which have been integrated into the commercial available code CFD.
From the simulation results, it is the fact that the increasment of inlet flow is benefical to the distribution of the precursor, so the high quality of GaN film has been grown.
Conclusions The CFD has been used to simulate a two dimensional mode of GaN deposition in a vertical MOCVD reactor.

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).

CFD Analysis of Flow Field in Large Quench Tank Simplifying Assumptions.
In order to make the CFD analysis manageable, a number of simplifying assumptions are made.
However, in order to balance the simulation accuracy with the computational cost, the number of nozzles is simplified based on the equivalent mass flow principle.
The CFD analysis of flow field in the large quench tank is based on the continuity and momentum equations.
CFD Analysis of Flow Field in Large Quench Tank Velocity Contours.