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CFD Analysis of Turbulent Flow in Typical Rod Bundles in Rolling Motion B.H.
In the present paper, the turbulent flow in typical rod bundles in rolling motion is investigated theoretically with CFD code FLUENT.
Meanwhile, the CFD code usually simulates a small part of the loop, i.e. a corner or a special section of the loop.
Tzanos, Large eddy simulation of flow in LWR fuel bundles.
Tak, CFD analysis of thermal-hydraulic behavior of heavy liquid metals in sub-channels.

Study on 3D Modeling and Flow Field Simulation of Urea-SCR Catalytic Converter Zhilin Liu Agricultural and Animal Husbandry College of Tibet University, Linzhi, Tibet, China, 860000 Linlin0324ok@126.com Keywords: Catalytic Converter; Flow Field; 3D Modeling; Simulation Research Abstract.
In recent years, numerical simulation of engine working process has been booming in China, CFD technology has become one important mean for theoretical study and optimization design of engine, providing new methods and ideas to solve the problems in SCR application.
The use of CFD numerical simulation to SCR system can enable us understand mechanism of the problems generated deeply, and provide guidance for the experiment, saving the test required manpower, material resources and time.
Selected an injection cycle for simulation, urea solution was sprayed at 0.1 second, and ended at 0.4 second.
Multi-scale SCR modeling, ID kinetic analysis and 3D system simulation[C].

Numerical simulation of water flow over the screw conveyer using Realizable k-ε turbulence model.
Nmerical Simulation of Flow Field in Screw Conveyer Structural Parameter of Screw Conveyer.
Mesh generation of CFD model Conveyer in screw conveyer Boundary Conditions and Initial Condition.
Simulation Results and Analysis.
A mathematical model considering the actual working conditions of screw conveyor is established and numerical calculation is carried out by using CFX solver, then entering into Ansys CFD POST for processing.

Numerical Simulation of Hydraulic Characteristic of Oxidation Ditch W.l.
Liub Institute of Hydraulic Engineering, Xian University of Technology, Xian China awei_wenli@126.com, bwwl_p@126.com Keywords: hydrodynamics; simulation; oxidation ditch Abstract: A numerical simulation study of the hydrodynamics of oxidation ditch is presented.
Bob[l] and Stamon [2] carried on numerical simulation for the two-dimensional velocity of the integrated oxidation ditch by using the k– mathematical model, and analyzed the water flows in the diversion wall.
This paper focuses on the hydrodynamics of oxidation ditch by the simulation method.
The flow field in the oxidation ditch is simulated with computational fluid dynamics (CFD).

two-phase flow by CFD software FLUENT.
The simulation results show that the furnace can accelerate the flow of quenching media, which can cool specimen quickly.
(4) The relationship of excursion velocity and relative velocity is: (5) 3 Numerical Simulation Process and Results The numerical simulation is performed by CFD software FLUENT 6.3.
Therefore the flow field is analyzed with turbulent model, and the standard k-ε model is used in the numerical simulation.
During simulation, Nitrogen is the main phase, and spray water is the second phase, which is supposed as droplet with 0.05mm diameter.

Considering its specific characteristics, CFD method based on FLUENT is taken to its thermodynamic calculation.
In this paper, air-duct system in ARJ21-700 is introduced and then numerical simulation is conducted to the analysis of heat transfer, fluid flow and the leak detection parameters’ effects upon the air-duct insulation design. 2.
While considering that conventional heat-insulating calculation method is not involving this point, CFD method is derived for further research. 3.
Numerical simulation 3.1.

So the slip boundary condition was added to simulate the micro flow by the large CFD finite element software POLYFLOW based on the analysis of the traditional flow.
Numerical simulation of wall slip Simulation method.
First of all, a finite element model was established in CFD preprocessor GAMBIT.
In particular, the main operator POLYFLOW is the CFD software which adopts the finite element method and devotes to the flow simulation of the viscoelastic material.
However, by the comparison of the two simulation curve, the numerical simulation result adding the slip boundary condition is closer to the experimental value.

Numerical Simulation and Model Test on Hydraulic Characteristics of Long-Distance Inverted Siphon Juan Li1,a, Zhenwei Mu1,band Lin Li1,c 1College of Water Conservancy and Civil Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052, China ahome.hstlg@163.com,bxjmzw@sohu.com (corresponding author),clilin_xjau@163.com Keywords: Long distance, inverted siphon, model test, Numerical simulation.
Computational fluid dynamics of CFD is a branch of fluid mechanics by computer simulation, providing engineering and technical personnel practical engineering simulation platform for engineering and technical personnel [4].
Therefore, the standard model is only suitable for fully turbulent flow simulation.
The whole model includes the following three parts: import simulation section, equivalent loss alternative section, and export simulation section.
The computational fluid dynamics analysis-CFD software principle and application.

The six degree of freedom simulation is carried out with the previous results.
By the use of CFD, reference [1] has studied supersonic flight static stability of certain types of conventional tail shells.
By the use of six-degree-of-freedom simulation, reference [2] has researched flight dynamic stability of certain types of non-symmetrical tail shells.
Reference [3] has investigated flight static stability of certain types of shrapnel by utilizing CFD.
Therefore, it is necessary to study the static stability and dynamic stability of the shell with the CFD combined with six degrees of freedom simulation.

The FEA is to simulate conduction in solids, and the CFD could be used to simulate both conduction and convection.
The modified thermal parameters are determined by correlation between CFD and FEA of simple geometries [19].
Meanwhile, CFD will be used as a supplement to determine heat transfer coefficients and conductivities for FEA, and sometimes to be the only way for simulations of highly flow dependent problems, such as the flow control module (FCM) with strong free convection.
The important key data required for the thermal analysis [7,9] based on the methods of FEA and CFD are listed below.
Additionally, FEA and CFD are two feasible methods for thermal analysis.