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Numerical Simulation of Tire Hydroplaning and its Influencing Factors ZHOU Hai-chao*, Wang Guo-lin, YANG Jian and Xue Kai-Xin School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, 212013, China *Email: haichaozhou999@163.com Key words: tire hydroplaning; CFD; hydrodynamic pressure; numerical simulation Abstract.
Aksenov et al.[2] presented a three-dimensional simulation of the interaction between tire and free surface flow by virtual of Computational Fluid Dynamics (CFD) technology, but the deformation of tire surface was ignored and the computational domain remained fixed in time in his work.
Simulation results may vary by about 5%-10% with the computation domain size.
It is showed that CFD is an efficient tool in calculating and analyzing tire hydroplaning.
Numerical Simulation of Car Tire Aquaplaning[C].

A three-dimensional simulation model of a float glass-melting furnace including combustion chamber and glass tank is performed in this paper by CFD software Ansys Fluent.
Besides, postprocessing analysis based on CFD simulation is an effective tool for glass quality indication and improvement [5].
In this paper, a numerical simulation of a side-port regenerative type float glass-melting furnace including combustion chamber and glass tank is performed integrally by CFD software.
Fig. 1 A schematic of the float glass-melting furnace Simulation Models and Boundary Conditions The simulation is performed by CFD software Ansys Fluent-14.5, and the submodels applied in the simulation are as follows.
The approach of simulation by CFD software as well as the evaluation methods is a valuable tool in furnace optimization for furnace designers and operating workers.

In this paper a 3D CFD study is performed on Ahmed body to validate simulation parameters based on reported experimental data [1].
Using the validated settings, simulation is done for Evo2.
In order to set simulation parameters in FLUENT, Ahmed body as shown in Fig. 2 is simulated using different turbulence models for different sizes of the virtual wind tunnel for CFD.
These same settings are used for full car simulation of Evo2 and Evo3.
Simulation is performed in CFD lab, Department of Aerospace Engineering IIT Bombay.

The result indicates that by combining the CFD numerical simulation with the analytical method the heat dissipation of the radiator group can be predicted effectively.
Taking a mining dump-truck radiator group as the object of the study, this paper analyses the heat-dissipate performance by combining the CFD numerical simulation and the analytical method.
A 3d geometric model of the radiator group is established, and CFD simulation of water side and air side are carried.
The RNG k-ε turbulent model is adopted for simulation.
Simulation results are as shown in table 2.

This work used ANSYS software to calculate the aerodynamics parameters generated by main rotor with help of CFD tools using the remarked ideal of simulation in [2-7].
CFD b.
CFD Theory a.
Natural Frequency Fig. 7 Modal method Summary A steady CFD-CSD coupled simulation was used to analyze the strength of the designed main rotor.
For the future work, the durable designed main rotor was analyzed with a fully CFD-CSD coupled simulation.

Through control variable method, turbulent kinetic energy is simulated by means of Computational Fluid Dynamics (CFD).
The size of flow channel of reactor is set to, for the convenience of simulations, and control variable method is used to strictly compare the simulation results.
Simulation by Means of CFD It is the objective of simulation to optimize the structure parameters and distribution of disturbing Fig. 1 Schematic diagram of two-dimensional photobioreactor devices, and operation conditions in reactor for intensifying turbulence.
The simulation of algal fluid flow is operated with software FLUENT from ANSYS, Inc., USA, Version 14.5.
Conclusions The relationship between the structure parameters of disturbing device, operation conditions in photobioreactor and distribution characteristics of turbulent kinetic energy along the flow direction is concluded by means of CFD simulation, hence optimization of the reactor.

In this paper, Computational Fluid Dynamics (CFD) method was used to simulate the air flow in the BiPV-Trombe wall.
The simulations of air flow and heat transfer in vertical channel of BiPV-TW were conducted using the commercial CFD code, FLUENT version 6.3[9].
Results Validation of CFD method.
The simplified model and comparison between the experimental data and CFD results for air outflow rate are showed in Fig 2.
In this paper, numerical simulation on the air flow for a fixed width of b=0.3m and height of H=1~6m have been conducted.

Over the last two decades, many CFD modeling studies of turbulent flow in agitated vessels with straight baffles have been reported in the literature.
A computational fluid dynamics (CFD) based model was used to understand the mixing process.
And through the simulation, we can find that the curved baffle with a certain degree of twist can reduce the effect of adhesion.
Conclusion In this paper, CFD software was used to modal the flow field in the crystallizer.
[3] Yang,L.B. and Gao,Z.S.,2009,Numerical simulation on separation performance of stationary classifier with different opening ratio of baffle plate.Journal of Heilongjiang Institute of Science and Technology ,4(2009),002

We used CFD numerical method to investigate the influence of width, height, outlet size and the angle of photovoltaic plate on the performance of PV channel based on the summer typical meteorological parameter.
Wang Hanqing summarized three common simulation methods of the double curtain wall (meshed network simulation, computational fluid dynamics method and building energy simulation).He thought before the design of double curtain wall, simulation analysis should be carried on [1].
This paper presents influence of width, height, outlet size and the angle of photovoltaic plate on the performance of PV channel based on the Shanghai summer typical meteorological parameter by CFD method.
In the simulation, convection heat exchange has adopted as a boundary condition of external surface.
Reference [1] Hanqing Wang, Yu Chen, Guangxiao Kou and Zhiyong Wang, Progress on Study of Double-Skin Facade Simulation Building Energy & Environment, 2008,Vol.27 No.5 19-22 (In Chinese) [2] Hanqing Wang, Fengfeng Wang, Guangxiao Kou and Zhiyong Wang, Simulation Study on Thermal Performance of Mechanically Assisted Ventilated Double Skin Façade Building Energy & Environment, 2011,Vol.31 No.3 75-77 (In Chinese) [3] Guixian Zhang, Lidong Chen and Dong Ding, Heat transfer analysis for double skin façade of building based on CFD fluid model Construction & Design For Project 2003,Vol.9 4-7 (In Chinese)

The use of Computational Fluid Dynamics (CFD) has changed the traditional design process.
The Star CCM+ model used in this paper is new generation simulation software of CFD.
The flow field simulation of mixing process can be classified as flow field simulation contains the moving parts.
Geometry files are imported into CFD software of Star CCM+ for grid partition.
Study and Multi-Phase CFD Modelling of Ammoium Sulphate Crystallization.