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Numerical Simulation and Improved Design of Inner Flow Field on Single Function Shower Jing Huang1, a, Jun Zhang2, b, Hongzhou He3, c, Mingfang Lu4, d, Xiao Liu5, e 1,2,3 Cleaning Combustion and Energy Utilization Research Center of Fujian Province, College of Mechanical Engineering, Jimei University, 361021, China 4Department of Mechanical Engineering, Chienkuo Technology University, 500, Taiwan 5Marine Engineering Institute, Jimei University, 361021, China agostarts@126.com, bbull0202@sina.com, chhe99@jmu.edu.cn, dlumf@ctu.edu.tw, eliuxiaoyingbo@126.com Keywords: Fluent, Shower, CFD, Inner Flow Field, Numerical Simulation Abstract.
Results and Analysis Numerical simulation of internal flow in shower 1#.
CFD soft--- FLUENT [4] is employed to simulate inner flow characteristics.
Shower1# simulation results indicate that the velocity of outlet have a great fluctuation.
[5] Fujun Wang: Computational Fluid Dynamics Analysis---the CFD Software Principle and Application(Tsinghua University Press, China 2005).

CFD simulation of a fluidized bed reactor was also conducted by Rong et al. [8] focusing on the chemical kinetic aspects and taking into account the intra-particle heat and mass transfers, poly-disperse particle distributions, and multiphase fluid dynamics.
The Syamlal–O’Brien drag expression was used in these simulations.
Values of parameters used in the simulations and experiments.
[4] Grace, J.R., Taghipour, F., Verification and validation of CFD models and dynamic similarity for fluidized beds.
R.O., CFD Simulation of Polydisperse Fluidized-Bed Polymerization Reactors, Department of Chemical Engineering, Iowa State University, 2114 Sweeney Hall, Ames, IA 50010-2230, USA, Preprint submitted to Elsevier Science, August 2003

Simulation of 3-D Unsteady Flows in a Tubular Hydro-Turbine on DES Zhenyu OUYANG 1, a, Lixiang ZHANG 2, b 1,2 Faculty of Civil Engineering, Kunming University of Science and Technology, Kunming, 650500,China a15912402706@163.com, bzlxzcc@126.com Keywords: Tubular Hydro-Turbine; computational fluid dynamics (CFD); 3D unsteady turbulences; detached eddy simulation(DES); numerical simulation Abstract.
The vortex model is picked with detached eddy simulation for the unsteady turbulent field calculations, in order to obtain the transient characteristics of the turbine turbulent flow.
Due to the higher efficiency of the method of calculation of RANS, it is widely used in practical engineering , but its drawback is that the rotation effect on the turbulent flow is difficult to reflect; Large Eddy Simulation CFD method is currently a hot research and application[3-4], and for the rotation of the turbulence it has better adaptability but also occupies a larger computing resources; DES method is integrated with the advantages of both, and with a better application[5].
Nanoparticle Transportation and Brownian Diffusion in Planar Jet Flow via Large Eddy Simulation [J].
Francis turbine fine three- dimensional unsteady flow separation eddy simulation model [J].

Computational fluid dynamics (CFD) is a numerical calculation method.
However, there is no research on the application of CFD methods to simulate the temperature field of milling roller.
Numerical simulation Geometric modeling and mesh generation.
Established simulation model by CFD pre-processing software GAMBIT combined with dimensions was showed in figure 1, then meshing in the calculation area was showed in figure 2.
[2] Hao Feilin, Shen Mingwei, Zhang Ya.3-D Steady Simulation of Temperature Pattern Inside Single Plastic Greenhouse Using CFD.

It is obvious that the results of CFD numerical analysis are consistent with the shadowgraph.
At the design stage, the properties and cutting performance of flow fields of gas jets from the nozzle should be analyzed through the computer simulation, so as to further optimize the design.
The experimental results are compared and prove to be in conformity with the simulation.
As can be seen from Fig. 3, it makes a good consistency that CFD calculation results contrast with the experimental methods shadowgraph results.
Experiments show that the gas jet properties calculated by CFD are very much in line with the actual situation, so it had very high credibility.

The indoor airflow simulation was carried out by using the CFD software. 3 states of interior doors were set, and 60 regions were arrayed in bedroom to observe the variation of airflows.
Model Following the experimental study, a three-dimensional CFD simulation was carried out.
The CFD simulation was performed by commercial CFD software, with a LVEL turbulence model.
Fig.1 Plane of residence Fig.2 Contour of ambient flow pattern Simulation results 3D simulation with turbulence model was carried out to investigate the real operating of the natural ventilation system.
Therefore, 60 regions’ data are extracted after simulation, thus having a further analysis of data.

Fluent is a special CFD soft to simulate and analyze the flow and the heat exchange of liquid in the complex geometrical field.
Simulation of temperature field of oil film in hybrid journal bearing Simulation process of FLUENT.
FLUENT is a special CFD soft to simulate and analyze the flow and the heat exchange of liquid in the complex geometrical field.
Gridding is the geometric form of CFD model, as well as the carrier and basis of simulation.
The quality of the grid has a heavy effect on the precision and efficiency of simulation.

The surface wind pressure of temporary stand accompanied with cover is presented in this paper by CFD numerical method.
Then, the pressure coefficent of mentioned cases is analyzed from the simulation outcomes.
CFD numerical simulation method 1.1 Computational domain CFD (Computational Fluid Dynamics) numerical simulation is based on the Fluid's basic control equation, which can be able to acquire the space distribution state of the fluid through numerical calculation of the disperse fluid control units in numerical wind tunnel.
However, only a part of the whole atmospheric layer can be considered in numerical simulation which means man-made boundary wall is settled when we use CFD.
Analyze of large space truss temporary stand surface wind pressure based on CFD numerical simulation.

In recent years, with the development of the technology of CFD (computational fluid dynamics) and the operational capability of computer, the technology of numerical simulation has made great progress, which has provided feasible methods for three-dimensional flow computation of the full flow conduit.
(2) CFD numerical simulation method can be used to verify the spatial frame design rationality of the concrete volute flow conduit.
Numerical simulation of internal flow of centrifugal pump [J].
CFD simulation for two-phase flow of sediment water in volute [J].
CFD analysis of large spiral case [J].

The inner flow field and performance characteristics had been studied based on CFD simulations.
To prove the accuracy of the numerical method, the pump was tested and compared with the numerical simulation.
Numerical simulation of the cavitating flow was performed by using a homogenous flow model.
The results of numerical simulations using CFD are compared with experiments.
Jafarzadeh: The flow simulation of a low-specific-speed high-speed centrifual pump [J].