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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.

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.

Together with experimental test, the CFD simulation is completed basing on a 3D model of the PWS rotor channel.
Both the experiment and CFD simulation aim to analyze the influence of PWS on the diesel engine exhaust emissions.
CFD Simulation Pressure-wave supercharger is designed to directly transfer energy of the exhaust gas to the fresh charge.
In this simulation case, the CFD solution is iterated from A1 to A7.
CFD Simulation Results The CFD simulation results of the flow inside the rotor channel are seen in Figure 5.

CFD Simulation of Geometric Effects on Jet Reactors Bi Ronshan 1, a, Ma Lianxiang2 , Tan Xinshun1, Liu Zhendong3 , Chen Wenwu3 and Zheng Shiqing1 1Research Center for Computer and Chemical Engineering, Qingdao University of Science and Technology, Qingdao City, 266042, China 2 College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao City, 266042, China 3The Key Laboratory of Chemical Lasers, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian City, 116023, China aBirongshan@163.com Key words: CFD; Simulation; Jet reactor; Geometric.
Based on the fast process of acid-base neutralization, the effects of geometric parameters such as the angle of diffuser, ratio of nozzle diameter to mixing chamber diameter and the position of nozzle on mixing and reaction characteristics were analyzed using CFD in detail.
The velocity is constant in all the simulations at different geometric parameters; At the outlet, the boundary is the pressure boundary.
At first, the simulations are based on various m by varying the mixing chamber diameter with other geometric sizes constant ( m=0.55, 0.45, 0.35 and 0.25).
In the numerical simulations the diffuser anglewere set 0°, 3°, 8°, and 14°, respectively.

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.

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.

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.

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.

The solidification model is vital to the simulation of casting process with mushy zoned involved.
The model has been realized on the commercial CFD package, in which the solid and liquid of metal are united in one frame.
The macro modeling for solidification is vital to the precise simulation of casting process.
However, the new features in CFD (Computational Fluid Dynamics) and FEA (Finite Element Analysis) technologies may not be involved, which has been maturing progressively and would improve the casting simulation.
The velocity is pretty small, however the flow pattern can be observed clearly because of the high accuracy of CFD solver.

For numerical investigation, commercially available computational fluid dynamic CFD software GAMBIT and FLUENT were used.
A sliding mesh technique was implemented in the CFD code.
This enabled a geometrically exact simulation of the rotor motion with time.
Simulations were performed in a way that allowed comparison with wind tunnel data, where two designs were simulated.
Present Simulation The main goal of this current research is to current numerical simulation of the newly designed cavity type vertical axis wind turbine to investigate its aerodynamic performance.