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CFD analysis was developed to determine the numerical data.
Boundary Conditions The applied boundary conditions in this simulation are common for an incompressible flow.
[3] Gertzos, K.p, Nikolakopoulos, P.G, and Papadopoulos, C.A., CFD analysis of journal bearing hydrodynamic lubrication by Bingham Lubricant, Tribology International, 2008, 41, 1190-1204

An Evaluation of Drag Coefficient of Wind Turbine System Installed on Moving Car SOFIAN Mohd1, a, NURHAYATI Rosly2, b , REXCA A.Jamit3, c, SYARIFUL.S Shamsudin3, c, ASLAM Abdullah4, d 1,2,3 Faculty of Mechanical and Manufacturing Engineering, Universiti Tun Hussein Onn Malaysia, 86400, Batu Pahat, Johor, Malaysia asofian@uthm.edu.my, bnurhayati@uthm.edu.my, crexca_11@yahoo.com, dsyafiq@uthm.edu.my, easlam@uthm.edu.my Keywords: Aerodynamic performance, Moving vehicle, Wind turbine system, CFD Simulation, ANSYS FLUENT.
For this simulation, the car is assumed to be travelling at 25m/s (90km/hr).
Table 1 shows the simulation result of drag coefficient of each model with different wind turbine system position.
This is proven by this simulation where the drag coefficient of a car without the wind turbine is 0.39.
A standard k-ε model was selected as the turbulence model for numerical simulation.

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.

Wei et al.[2] have made simulation analysis on fluid in the three-way connection pipe of the oil industry, which offered theoretical basis on fluid transportation in the petroleum pipeline.
Tab.1 Schemes of pipe diameters schemes pipe diameters[mm] main pipe branchpipe 1 1000 800 2 1000 600 3 800 600 Fig.1 Structural drawing of reducing cross Meshing The mesh generation wasconducted by the ANSYS ICEM CFD 14.5 software.
Numerical simulation of turbulence T-typed tee based on FLUENT software[J].
Numerical simulation and analysis of fluid in three-way connection pipe based on Fluent Software [J].
Numerical simulation and structure optimization on internal flow field in T-typed Tee[J].XinjiangWater Resources2010, 4:1-3.In Chinese

The study of indoor thermal environment characteristics of office building effected by stratum ventilation Zeqin Liu1,a, Zhenjun Zuo2,b, Taishun Liu2,c 1Tianjin Key Laboratory of Refrigeration Technology, Tianjin University of Commerce, East Entrance of Jinba Road, Beichen District, Tianjin 300134, China 2School of Mechanical Engineering, Tianjin University, Tianjin, China aliuzq@tjcu.edu.cn, blxzj1012@126.com, cliutaishun1989@163.com Keywords: Stratified air supply Indoor thermal environment Numerical simulation Abstract.
From the results of the numerical simulation, it could be seen that when the supply air speeds were controlled between 0.5m/s to 0.9m/s, the thermal comfort, as well as the air supply efficiency in the human activity area was relative satisfactory.
Fig.1 Numerical simulation of office layout 1: dummy man; 2: analogue computer; 3: fluorescent lamp; 4: fluorescent lamp; 5: air outlet; 6: office desk Model introduction Figure 1 is a typical office building sketch chart , the dimension of the office is 5(L)x4(W)x3(H) meter.
The analysis of the results of numerical simulation Figure 2 was a distribution chart of vertical temperature in the middle place of office at the air-supply speed of 0.1 m/s and the size of air inlet with 1350x500 mm.
Validation of a CFD model for Research into Stratum Ventilation.

In the numerical simulation of water-entry impact at high speed, natural cavitation must be taken account as well as six degrees of freedom, so we integrated these two kinds of methods to make numerical simulation.
So, it is very important to research on the influence of mesh method to numerical simulation.
Simulation example Calculating zones The far-field of whole computational domain is defined as pressure boundary.
Numerical simulation of undersea cable dynamics.
Computational Fluid Dynamics and Applications –Principle and Applications of CFD Software[M].

The grid was set to CFD grid and the solution is set to Fluent.
This is consistent with the simulation results.
Conclusion Seen from the simulation results and experimental results , for this turbine, when it works at the same pace, the values of torque sensors remain the same.
ANSYS Workbench Design Modeling and Virtual Simulation[M].
ANSYS WorkbenchDesign, simulation and optimization[M].

The CFD (Computational Fluid Dynamic) method allows information on physical, chemical and hydrodynamic phenomenon in the metallurgical processes to be obtained.
The subject of simulation was a one-strand tundish of a nominal capacity of 30 tons.
The computer simulations were performed for unsteady and nonisothermal conditions.
Simulation tests of steel flow and NMI behaviour were performed in the Ansys-FluentÒ program.
The program Ansys-FluentÒ was used to computer simulation.

The transient flow field analysis is made using the method of large eddy simulation to obtain the time-domain information of the pressure pulsation.
a Entity structure model b Sectional view of the structure Fig.1 The three-dimensional entity model Flow field analysis Extract the valve the inner surface of the solid models get fluid domain in figure 2, and the flow field is full hexahedron mesh structure is divided by ANSYS ICEM CFD software.
Among them, the throat area of valve is a larger pressure gradient, and the flow field has a very striking, in order to guarantee the accuracy of numerical simulation of the throat, throat grid for the partial encryption processing.
The analysis type is set to transient analysis, simulated the total time of 0.1 seconds, the time step is set to; Choice for large eddy simulation as turbulence model.
The large eddy simulations is initialized using the steady state analysis results in the analysis.

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.