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The numerical simulation of flow field of a new rectangular suction inlet installing guide plates with different rake angles was carried out by means of the K-ε turbulence model based on the Fluent hydromechanics calculation software.
The numerical simulations of flow field for this suction inlet were carried out by using K-ε turbulence model based on Fluent hydromechanics calculation software.
Sucktion inlet Simulated surface (a) Physical model (b) gridded model Fig.1 The dimensions of physical model and its gridded model Flow analysis and structure optimization Computational Fluid Dynamics (CFD) is a combination of modern fluid mechanics, numerical analysis and computer science.
It is possible for some physical phenomenon, such as fluid flow and heat transfer, to get system analysis by using the computer simulation and image display of CFD.
Fig.6 Experimental result Summary The numerical simulation of flow field of the rectangular suction inlet installing guide plates with different rake angles was carried out by using the K-ε turbulence model based on Fluent.

Simulation Study on the Radiant Tube Transferring Characteristics for the Gas-infrared Heated System Daying Zhang1,a, Weidong Zhuang1,band Keqin Gong2,c 1College of Engineering, Heilongjang Bayi Agricultural University, Daqing 163319, China 2Civil Engineering College, Northeast Petroleum University, Daqing 163318, China azdy004@163.com, b81nd@163.com, Cgkqdqpi@126.com Keywords: Gas-fired radiant heating, Numerical simulation, Temperature distribution Abstract.
The numerical simulation for radiant tube heat transferring process of the gas-infrared heated room was finished.
Physics Model of Building A numerical simulation on a gas heating plant was processed.
CFD software is adopted to simulate the indoor temperature field, and the indoor temperature distribution of this plant are shown in Fig.1~ Fig.6.

The simulation results indicate that the tangential velocity in exhaust pipe outward the radial direction increases gradually, and presents the vortex structure.
Pourquiéb et al: Prediction of strongly swirling flow within an axial hydrocyclone using two commercial CFD codes.
Zheng: Evaluations and modifications on Reynolds stress model in cyclone simulations.
Raju et al: CFD simulation and experimental validation studies on hydrocyclone.
Holtham: Large eddy simulation of hydrocyclone¾prediction of air-core diameter and shape.

The unsteady aerodynamics associated with this microrobot was studied by using the method of computational fluid dynamics (CFD).
On the basis of numerical simulation, the Fluid-Structure coupling mechanics for flexible flapping-wings were studied and discussed.
According to the practically developed flapping-wing microrobot, a 2-D simulation model for flexible flapping-wings was established.
In the foundation of the numerical simulation, the variations of different parameters of the flapping microrobot were investigated, such as flapping amplitude, pitch amplitude and flapping frequency.
Finally wind tunnel experiments and flying test verified results of numerical simulation.

Analysis Two-dimensional computational fluid dynamics (CFD) analysis [6] showed that no SiC grows at Ts ≥ 1863 K and that C-to-Si ratio is larger than unity at growth position when Ts was 1813−1853 K (Fig. 2).
To make a comparison with the reported observation under P of 18 kPa [5], additional CFD analysis was carried out at Ts of 1843 K (i.e., Tpyrometer = 1923 K [5]).
Topography simulation [7] was carried out, in a manner similar to the way in the previous section, using CSiH2e(∞) and CSiH20 (in the absence of HCl) or CSiCle(∞) and CSiCl0 (in the presence of HCl).
Symbols: experiments; lines: simulation using γ of (a) 0.04, (b) 0.05, and (c) 0.06 J/m2.

Due to the importance of studying the flow pattern around ARs of different shapes such as cubes, pyramids and triangular prisms, many studies have been conducted experimentally in wind tunnel, using Computational Fluid Dynamics (CFD) simulations to study the effect of geometry of these ARs on the flow pattern around them [15]-[16].
The results were then used to verify the numerical results obtained from finite volume method (FVM) simulations [17].
Computational Method Finite volume method was used in Ansys CFX for discretizing the fluid domains in all simulations for the helmet and the hollow cube ARs.
Numerical grid of helmet artificial reef for all Ansys Aqwa simulations Fig 5(b).
Numerical grid of hollow cube artificial reef for all Ansys Aqwa simulations Table 2.

Yang Institute of Hydraulic Engineering ,Xi’an University of Technology,Xi’an, China wei_wenli@126.com Keywords: characteristics; CFD simulation; Water drop falling Abstract: In this paper, a numerical two-phase flow model combining with the Realizable k–ε turbulent model for compressible viscous fluid is presented for the computation of water drop falling characteristics; and the equations are solved with the finite volume method.
The results of this simulation are presented in Figs.3.

Based on the finite volume method and the pressure-velocity coupling scheme of the SIMPLE algorithm with the standard k-ε turbulent model, a CFD software was used to solve the Navier-Stokes equations to figure out the pressure in the bearing gap and the housing gap.
Analytical Approach Based on the finite volume method, this study utilized the laminar flow module of the CFD software, FLUENT, to solve the three dimensional Navier-Stokes equations to compute the pressure of air flow in the bearing gaps and the housing gaps in an aerostatic spindle.
In order to simplify the numerical simulation, the following assumptions were made for the flow field: (1).
Simulation models (a) (b) Fig. 1 (a) Cross section of the aerostatic spindle module.
Rao: Simulation based on FLUENT and experimental research of porous aerostatic bearing, Master Thesis, Harbin Institute of Technology, China (2006) [3] J.M.

Study on the Mixer Used for the Thermal Flow-Reversal Reactor Yongqi Liua, Xiangchun Chenb, Ruixiang Liuc, Zhenqiang Gaod, Jingtao Wange School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo, 255049，China aliuyq65@163.com, bchenxiangchun127@163.com, clrxdlut@sina.com, dsdgaozq@163.com, ehitao0906@163.com Keywords: Mixer; Coal Mine Methane; Ventilation Air Methane; Thermal Flow-Reversal Reactor; CFD Abstract.
Schematic diagram of the mixer Simulation Model.
In order to optimize and improve the design, the mixing process is studied by using CFD software-Fluent.

An correlation of pressure relief area of the 220kV mail transformer room of indoor substation were presented based on the CFD tool FLACS modeling of the general designing schemes of the State Grid Corporation of China.
This can be done by applying the basic principle of the construction rules and the calculation of hydrodynamics, also through the investigation of indoor substation and the simulations on variety of explosions.
Explosion Simulation Analysis Explosive Pressure Selection.
By FLACS simulation, the local pressure can reach more than 27kPa which has a great destructive [10].
TNO multi-energy method in the application of steam cloud explosion simulation evaluation.