Search results

The simulation and analysis were carried out using finite volume CFD solver ANSYS CFX.
The turbulent model used in this simulation is the standard k-ε model.
Results and Discussion CFD Model and Validation.
For all CFD models used in the simulation, a size of cells used in the circle grid fractal plate region is 1 mm3.
The CFD model was validated through comparison with the calculated pressure drop correlation.

The CFD Analysis of Gasoline Engine Turbocharger Compressor Based on NUMECA Xiangling Liu1,2,a, Mengxiang Liu 2,b, Jinke Gong1 1The State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, 410082, China 2College of Mechanical Engineering, Hunan International Economics University, 410205, China axiangling_liu@163.com, bmengxiang_liu@163.com Keywords: Turbocharger, Compressor, Gasoline Engine, NUMECA, Numerical simulation, CFD Abstract.
CFD Analysis of Compressor Impeller The Finite Element Model.
CFD Simulation of Compressor’s Volute Flow Passage Speed, Pressure and Entropy Simulation of Volute Flow Passage.
Pressure Loss Simulation of Compressor’s Impeller.
Starting conditions, boundary conditions and mesh generation are the same as CFD analysis of compressor impeller.

CFD analysis has been performed for the miniature aircraft.
The simulation of these complex aeropropulsive flows requires enormous computing time and memory.
The direct approach involves full aero-elastic simulation within the CFD run.
Simulation is to be done on the drawn model.
Then the necessary meshing conditions are provided followed by the meshing process. 3) Simulation ANSYS Flent 14 is for the simulation process.

Procedures Two-Dimensional Model of CFD Simulation.
Setting for CFD Simulation.
Process of CFD Simulation.
Fox, “CFD simulation of moving spray shields,” Transactions of the ASAE.
Brazee, “CFD simulation of mechanical spray shields,” Transactions of the ASAE.

Based on the landscape design project of Liaodong Bay Hospital of China Medical University, the paper explores the design methods of exterior space of hospital supported by CFD computer simulation technology.
As a branch of fluid mechanics, the CFD technology (computational fluid dynamics）can calculate the flow field, heat transfer and chemical reactions, make simulation of micro-climate of exterior space, and help to optimize the micro-climate of exterior space of hospital through debugging design elements[1].
In the design of exterior environment, we use CFD technology to build models to make the simulation and analysis as the basis of layout of the landscape and plant configuration.
The Simulation of Physical Environment Among current commercial CFD software, FLUENT software is selected to make simulate calculation of physical environment.
In the CFD software simulation, canopy is added to the equations of momentum, energy and air flow in the form of additional source[3].

The key problems of CFD simulation technology are as follow.
Liang Ji had completed the research and made the development of a CFD software—Wind Perfect with a three-dimensional Geographic Information System(GIS) data interface cooperation with Japan's Environment Simulation Ltd in 2008[7].
And then it can be imported into CFD software to calculate.
This method is widely used in the early CFD terrain simulation modeling .When the terrain is relatively flat and small, modeling can be completed more efficiently.
And proportional CFD model is shown as Fig. 5(b).

CFD.
The result provides model data and parameters for CFD simulation, which has directive significance to concern the high intensity downburst wind load in structure design.
Some scholars have studied characteristics of high-precision downburst wind field with CFD numerical simulation method[4].
By simulating, the height of maximum sinking speed is determined, at which velocity field is selected to be initial injection velocity of CFD simulation.
The pressure and temperature field in corresponding region can be introduced to provide reliable evidence for high-precision CFD simulation.

Calculation of theCoefficients of Ship’s ResistantForce in MMG Model Based on CFD Linjia Yang1, a,Yihan Tao2,b 1Navigation College, Dalian Maritime University, China 2 Graduate school of Dalian Maritime University，China ayanglinjia@126.com, btiter_1@163.com Key words:ship’s resistant coefficients, CFD, MMG Abstract:With the rapid development of computer, computer simulation is a reasonable way to study the maneuverability of a ship.
In this numeric simulation, Re is larger than 150.
The 3D model of YUKUN was built in pre-processing software ICEM CFD.
Afterwards, import the 3D model into ICEM CFD to mesh regionally with hexahedral meshes.
Besides making ship maneuvering simulation closer to real motion, CFD method can also make ship controllers, which are design on computer simulation, more adaptive to actual situation.Along with the CFD application gradually popularization and the development of the computer hardware, CFD will also be used to make some simulationsthose traditional experimental methodscan hardly make.

The both simulation results of the prototype and the full scale wind turbine were obtained by CFD model.
Three dimensional unsteady CFD models were generated to predict the same data as the wind tunnel test.
Figure 1 shows the velocity and the turbulent intensity profiles of both the W.T. inlet flow and the CFD inlet flow.
The Fluent CFD software was based on a finite volume discretization of the equations of motion.
The both simulation results of the prototype and the full scale wind turbine were obtained by CFD model with unsteady RNG κ – ε turbulence models with the sliding mesh technique.

CFD Simulation of Gas Residence Time Distribution in Agitated Tank LI Liangchao Key Laboratory of Testing Technology for Manufacturing Process of Ministry of Education, Southwest University of Science and Technology, Mianyang, Sichuan 621010, China.
Computational Fluid Dynamics(CFD) is a kind of numerical simulation technology which studies fluid.
The gas-liquid flow in agitated tank can also be studied by CFD simulation.
CFD-DPM method.
Figure 4 shows the comparison of the gas-RTD simulation results with Euler-Tracer method and CFD-DPM method.