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Hübert 2, b 1,2 Institute for Machine Tools and Factory Managment, Technical University Berlin, Pascalstrasse 8-9, 10587 Berlin, Germany a uhlmann@iwf.tu-berlin.de, bhuebert@iwf.tu-berlin Keywords: Grinding, Ultrasonic, Ceramic Materials, Simulation, CFD Abstract The competitiveness of component parts made of advanced ceramics results almost exclusively from the properties of the material in use.
A voxel-based approach for modeling of the material removal as well as CFD-simulation of the unique cooling lubricant flow conditions proved their capability as an optimization tool.
First results of the developed simulation tool are depicted in Fig. 3.
Subsequently a number of different simulations have been carried out applying the CFD-software FLUENT of Fluent Inc.
An additional CFD-simulation in its present version provides another opportunity for qualitative analyses of flow conditions in the otherwise inaccessible contact zone.

This study presents a methodology to validate CFD simulations of the spray fuel injection using an experimental bench and optical measurement tools along with the Shadowgraph Technique.
As long as building prototypes or performing many experiments can generate undesirable costs, the numerical simulations using Computational Fluid Dynamics (CFD) come up as a convenient and effective solution.
The CFD droplet diameter distribution is presented in the Appendix.
The Fig. 10 illustrates the diameter distribution on the CFD simulation presented on this paper.
Rosin-Rammler diameter distribution of the CFD simulation Acknowledgment The authors are grateful to Fiat Chrysler Automobiles and Petrobras for the investments in the CTM-UFMG (Center of Mobility Technology - UFMG) that made this work possible.

Solidworks Flow Simulation is one example of that, which along with many CFD modules has separate HVAC module to analyze and optimize the air conditioning designs effectively.
In current times CFD and different design tools of CFD has been used to optimize HVAC system.
Aim of this work is also to utilize the capabilities of CFD to optimize a HVAC design, by utilizing Solidworks flow simulation design tool.
CFD design software like Solidworks flow simulation provides an excellent solution to validate new HVAC design in ships and in other applications before actual construction.
CFD analysis and energy simulation of a gymnasium.

CFD Simulation of Prediction of Pressure Drop in Venturi Scrubber Majid Ali1,a, Yan Changqi1,b, Sun Zhongning1,c, Wang Jianjun1,d, Khurram Mehboob1,e 1College of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, China aalihrbeu@gmail.com,bchangqi_yan@163.com,czhongningsun@yahoo.com.cn, dwang-jianjun@hrbeu.edu.cn, ekhurramhrbeu@gmail.com Keywords: NPP, FVCS, Venturi Scrubber, Pressure Drop.
In this research, CFD simulations of prediction of pressure drop in venturi scrubber has been carried out.
The boundary conditions for the CFD venturi model are defined as follows: At the inlet, the mass flow rate of the gas is specified.
The grid independency plays a vital role for CFD simulation.
Therefore, the model containing 161252 mesh elements is selected for entire simulation.

Wuxi 214000, China azhaoliwei33@126.com, b YING.KING@hotmail.com Keywords: filter element, filtration Resistance, numerical simulation, CFD, flow field analysis Abstract.
CFD numerical Simulation Experiment With the limitation to the experimental conditions for studying the pressure loss of filter elements and increasing reliability of the computational fluid mechanics (CFD), more and more evidence for the practicability of CFD in the area of flow field is brought up [12].
Therefore, we can conduct simulate numerically the flow field of a filter element by means of the FLUENT of CFD software, conduct simulation experiments aiming at the flow field of a filter element, and verify the reliability of such theories according to the results of simulation experiments.
(4) Ignoring the effect of gravity. 4.1 Simulation calculation The model can be divided into 72134 grids, the detailed structural parameters and flow attribute of which are as shown in Article 2.1.
Numerical Simulation Study of Multi-pipe High Efficiency Air Filters.Shanghang: Donghua University, 2006.

An investigation into three dimensional fluid flow has been conducted which combines the use of Computational Fluid Dynamics (CFD) simulations with the experimental phenomenon of Streaming Birefringence.
To allow direct comparisons of the CFD solutions with the optical results, a macro (UDF) was written to interpret the flow field results from a (FLUENT6) CFD simulation.
These advantages, combined with its ability to clearly define flow phenomenon, also make it useful as a means of experimentally validating two and three-dimensional laminar simulation results.
This research explores the use of automated phase stepping photoelasticity and Computational Fluid Dynamics (CFD) simulations to study three dimensional fluid flow.
CFD study To allow direct comparisons of the CFD solutions with the optical results, a macro (UDF) was written to interpret the flow field results from a (Fluent 6) CFD simulation.

A number of viscous flow CFD simulations have been instituted on standard ships such as: KCS, DDG- 51, KVLCC etc.[5~7].
According to published literatures, the accuracy of CFD simulation lies on the computational model, of which the ship viscous flow simulation’s accuracy lies on computational grid, turbulence model and boundary conditions.
Simulation and results Calculation object.
The tanker KVLCC2, one of the standard ship forms used in the CFD simulation comparative research is taken as the object.
CFD WORKSHOP TOKYO 2005, Tokyo, Japan, 2005 [7] Tian X.M.

The effectiveness of adaptive press casting is demonstrated by using CFD model simulations.
As a final step in this study, we used CFD simulations to check the control performance using the obtained multi-step pressing velocity without a trial-and-error process.
The control performance using the switching velocity of Eq. 2 designed by the proposed simple model was reasonably validated by CFD simulation as shown in Fig. 6.
The simulation results of a simple model such that λ(Τend) is given as a constant value by fitting almost explains the results of the CFD model.
Finally, the obtained velocity reference's ability to control pressure fluctuation and to realize short cycle time was validated by the CFD simulations.

The model is incorporated into simulations based on an Eulerian approach.
There is a good agreement between the experimental technique and CFD simulation local solid holdup (εs) at the lower Er values in the magnetically stabilized fluidized bed.
Consequently, the simulations underestimate local solid holdup at high Er values.
Consequently, the simulations underestimate local solid holdup at higher Er values.
The k values from CFD computations are probably underestimated.

CFD simulation is a useful tool for studying.
Computational fluid dynamics (CFD) has been applied to push-pull ventilation systems [2, 3].
In CFD simulation, in many situations the geometry domain is not the same with the calculation Domain.
Boundary condition is also one of the most important steps in CFD simulation.
Fig. 10 Comparisons between case2, case4 and case5 (pull velocity 1.0m/s and 0.5m/s) Conclusion CFD simulation is a very useful tool for studying.