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Numerical simulation of MHD rectangular duct flow with FCI based on magnetic induction method Tianneng Xu1, a, Jie Mao1, b, Huachen Pan1, c 1HANGZHOU ZHEJIANG 310018, HANGZHOU DIANZI UNIVERSITY axutianneng@163.com, bmaojie@gmail.com, chuachen_pan@yahoo.com Keywords: MHD effect; Magnetohydrodynamic; FCI; rectangular duct flow.
The report of case with PEH is rarely seen since it probably requires a full 3D simulation to describe the flow velocity and electric current distributions around each hole.
In this paper, a commercial computational fluid dynamic (CFD) software FLUENT is used to simulate the MHD problem.
Numerical Simulation The structural material of rectangular duct is stainless steel, whose electrical conductivity is σw = 1.4×106 S/m.
Several velocity and pressure diagrams were obtained from the numerical simulation results of case1 and case2.

A novel air purifier for trace SO2 removal and simulation of the purification effect Donglai Xie1, a, Jinhui Luo1, b 1 School of Chemistry and Chemical engineering, South China University of Technology (SCUT), NO.381, Wusan Road, Guangzhou, China 510641 adlxie@scut.edu.cn, bluo.jinhui@mail.scut.edu.cn Keywords: Air purifier, SO2, Design test, Numerical simulation Abstract.
Table. 1 Test results of different absorbing liquid to absorb SO2 Absorbing liquid H2O NaOH Na2CO3 Concentration (mol/L) 0.0001 0.0001 In-flow (m3/h) 70/80/90/100/110 70/80/90/100/110 70/80/90/100/110 Absorbing time (h) 0.5 0.5 0.5 Inlet SO2 concentration (ppm) 1/5/10 1/5/10 1/5/10 Outlet concentration (ppm) 0 0 0 Simulation of the air purifier ANSYS FLUENT is a fully functional, well-adapted and widely applied commercial CFD software in solving various flow problems, based on Finite Volume Method[7].
The purification effect of different amount of gas is simulated with FLUENT-software, the concentration in different monitoring surface and different zone were taken as the evaluation index of the result of the simulation.
Vol. 36 (2010), p. 179 [7] Jiang Li: Numerical Simulation on heat transferand flow resistane performance and fouling characteristics of spiral grooved tube (In Chinese).

The CFD computational result and the analysis show that the airfoil of the seagull is suitable for the special work circumstances of the small unmanned plane, and it can be used for the further design of the wings.
Numerical Simulation Method The S-A Turbulent Flow Model The S-A turbulent flow model is specially designed for aerospace field in its research on the wall boundary flows, which is mainly used to properly solve the areas of boundary layer that is affected by viscidity and has a better convergence toward solid wall turbulence flow. [4] The S-A model is not directly simplified by the k-ε equations model, but begins with the analysis of experience and dimension.
The turbulent flow viscosity coefficient is calculated by the following formula: [7] Grid Division and Boundary Condition Settings In this paper, the numerical simulation airfoil models are seagull and NACA 4412 airfoils.
Simulation of Low-Reynolds-Number and High-Lift Airfoil S1223 [J]，Proceedings of the World Congress on Engineering 2009 Vol II，July 1-3,2009

The main research method was the numerical simulation of three dimensional.
Krutka et al[12,13] first made study on air flow field in MB with dual slots by CFD, and acquired the velocity contour and vector diagram.
In the following, this characteristic was exhibited through numerical simulation method.
Numerical Simulation HS die[12] was selected in this work.
Conclusions Through numerical simulation method, three dimensional air flow field was obtained in MB with dual slot jets.

Many simulations and experiments have been implemented to elucidate the wake characteristic behind a pair of bluff bodies.
The purpose of this paper is to study the flow over two unequal circular cylinders in tandem arrangement by CFD simulations.
In section 2, numerical method for the 2D flow over stationary body simulation is described, including the governing equations and physical model.
Results for the simulation of flow over a static cylinder at Reynolds number 100 showed that the present algorithm is suitable for this work.
[5] Zhao, M., et al., Numerical simulation of viscous flow past two circular cylinders of different diameters.

A simplified approach is proposed in order to reduce the computational effort of the simulations.
A decoupled thermo-structural simulation of the assembled actual engine during operating conditions has been performed.
The combustion gas pressure has been evaluated via 1D-CFD simulation of the whole engine and validated versus the experimental data obtained during bench tests of the engine equipped with a spark plug combustion pressure sensor.
Giacopini, “Multiphase CFD-CHT optimization of the cooling jacket and FEM analysis of the engine head of a V6 diesel engine,” Appl.
Kawabata, “Study of the simulation of piston skirt contact,” vol. 15, pp. 15–19, 1994

CFD velocity result 2 The base of the drying chamber is perforated with holes by which the air passes through the converged inlet to ensure that the flow is uniformly distributed inside the drying chamber.
Figure.2 and figure.3 on CFD flow analysis confirms that the flow is uniform. 4.
[9]Riyad Hodali, Jacques Bougard Integration of a desiccant unit in crop solar drying installation: optimization by numerical simulation.
Simulation and energy efficiency analysis of desiccant wheel systems for drying processes.

In this paper, numerical simulation of fluid flow in Forward Facing Step (FFS) configuration was performed to investigate velocity profile after the step.
The velocity profile analysis was conducted Computational Fluid Dynamics (CFD) software.
Methodology Intially, the grid independence test was performed before the simulation process [7].
Reynolds(Re) number employed for this simulation was 100 whilethe step heights, hused were 1µm and 3µm.
Diyana and Tijjani Adam,“Numerical Simulation of Microfluidic Devices,” IEEE-ICSE2012 Proc., 2012 [4] XiangdongXue, Mayur K.

Numerical simulation was applied to study the inclusion behavior in the rotational flow tundish for the industrial production of steel.
Therefore, in the present study, numerical simulation was carried out to investigate the inclusion behavior in the rotational flow tundish.
Schematic view of the rotational flow tundish Simulation of rotational flow The Navier-Stokes equations together with standard K-εturbulence model were solved to obtain a steady state velocity field inside the tundish.
Solution Procedure The CFD software CFX was employed to solve the continuity, momentum, and turbulence equations.
Inclusion removal under different conditions obtained by the random walk model Conclusions Numerical simulation has been carried out to study the inclusion behavior in the rotational flow tundish for the industrial production of steel.

To investigate the water flowing law in the bifurcation, Li ling analyzed the water flow in the Y-pipe and found the simulation results having good agreement with the experimental results [4].
Rong Guiwen made simulation of the bifurcation to research the hydraulic characteristics of the flow, and the results also coincided well with the measured values [5].
The numerical simulation method was widely used in the research of the bifurcated pipe.
This study will optimize hydraulic shape of the bifurcated pipe by numerical simulation.
Wang: The Computational Fluid Dynamics Analysis- simulation and Application of CFD (Tsinghua University Press, Beijing), p.7-122, in Chinese.