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Simulation of water mist spray for commercial kitchen ventilation (CKV) system using Ansys-CFD Norzelawati Asmuin1, a, Mohamad Farid Sies2,b , Mohamad Khairi Hassan 3,c , M.R.
A computational fluid dynamics (CFD) model with k-epsilon turbulence method is a simulation tool for determine the spray characterization.
There are a number of different simulation software that can be used such as ANSYS software, and computational fluid dynamics (CFD) software.
A nozzle was designed by using SolidWork and simulation using ANSYS software.
K-epsilon (k-ϵ) model was chosen for simulation analysis compared to the others model because the analysis results of simulation are more accurate.

Wang [3] analyzed flow field of fan through numerical simulation.
Fig. 5 Performances for test and CFD results.
Experimental and Simulation Analysis In order to achieve a better performance of the fan, the parameters studied in the previous sections are modified and checked with CFD simulation firstly prior to manufacture the real product.
Verification of Simulation Results.
While the simulation results are 35.7 mmAq and 4.46 CMM, respectively.

This paper presents a model for the jet formation process, CFD simulations are carried out for the prediction of flow pattern in a nozzle with abrasive suspension slurry jets using the discrete phase model.
A computational fluid dynamic tool has been selected for the simulation of the whole machining flow field and for the simulation of the particle trajectories and their impact on the nozzle walls.
A series of CFD simulations were performed.
So the CFD model can be used instead of the experimental work to determine the nozzle efficiencyη(The nozzle efficiency is defined as the value that the total pressure at the exit divided by the total pressure at the exit) through simulations at different pressure setting for different geometries, and decreasing the need for experimentation.
[11] Benedetto Bozzini et al: Evaluation of erosion–corrosion in multiphase flow via CFD and experimental analysis.

CFD simulation and analysis.
However, CFD numerical simulation takes into account variety of conditions.
Hence, the results of CFD numerical simulation are more accurate.
(2) CFD simulation results show that the location of the maximum flow velocity is at each cavity arc.
Moreover, CFD numerical simulation is more credible.

At present, turbo-machinery CFD technology has run to total 3-dimensionality unsteady viscidity numerical simulation, moreover, turbo-machinery CSD technology developed synchronously, The CFD and CSD technology is used to fluid-structure interaction analysis of all kinds of turbo-machinery in a wide range increasingly.
Conclusion This article discusses a numerical simulation method of fluid-structure interaction.
CFD/ CSD coupling numerical compulational methodology [ J] .
CFD/ CSD coupling calculation research [ J] .
Coupled fluid-structure simulation for turbo-machinery blade rows [ R].

Indoor comfort parameters such as temperature and airflow rate were simulated by a CFD tool.
CFD simulation.
A CFD solver package, Fluent/Uns 5.3 [18] was used to perform all the CFD computations.
CFD simulation.
Fig 10 and 11 show the temperature profile and air velocity profile from CFD simulation for third modification on the cafeteria layout.

In each stage suitable means are utilized to make sure that ceramic roller kiln simulation is even more practical.
Uniform design, DEPSO algorithm and CFD are used in this paper.
And the numerical simulation of CFD technique is selected as an appropriate method according to the actual kiln thermal characteristics and design experience.
The different results under different working conditions through adjusting different parameters are obtained and the simulation by　parallel-DEPSO-CFD techniques in order to instruct the production.
References [1] Qin Xiangge, Three-dimensional simulation sintering of ceramics, Materials science Forum, 2005(5),pp.1287-1290

Simulation of inner flow condition of the on/off valve using CFD To understand more about fluidic flow condition within the valve body, CFD simulation is done under full open condition of the valve.
The simulation is divided into PWM section and outlet stage section.
From analysis and CFD simulation, we can see that the outlet turbine is limited in increasing the rotary speed of the spool of valve.
Conclusions The novel rotary on/off valve is investigated both in analysis and in CFD simulation.
CFD simulation shows the fluidic state within the valve body and the pressure and velocity distribution.

Numerical Simulation of Oblique Towing Tests and Rotating Arm Tests for a Submarine Model in Same Grid Topology Liushuai Cao1,a, Jun Zhu1,b, Guanghui Zeng2,c 1Department of Naval Architecture Engineering, Naval University of Engineering, Wuhan, China 2Navy Submarine Academy, Qingdao, China acao_liushuai@126.com, bzhjun101@sina.com c394656801@qq.com Keywords: CFD; Numerical simulation; OTT; RAT; Grid topology Abstract.
In contrast with the OTT simulation, the RAT case is more complex.
As for the gyration case simulation, different radiuses are needed.
Test Case and Grid Topology To provide experimental data for CFD validation in the past, the DRAPA SUBOFF submarine hull form was designed within a DRAPA funded CFD program.
Structured meshes were built using ANSYS ICEM CFD 14.5.

Due to the complex nature of compressors’ geometry, 1D and 2D CFD simulations cannot simulate the physical turbomachineries with sufficient fidelity.
CFD Simulation Strategy Due to the high computational requirements of the simulation, considering the hardware capabilities and the computational time, the rotational periodic boundary condition has been applied in this project.
Meshing: In CFD simulation, the hexahedral elements are commonly used in turbo passages.
Figure 1.Mesh of impeller and wedge diffuser passage Figure 2.Static pressure ratio for stage simulation Governing Equations The unsteady Navier-Stokes equations in conservative form are set as the solve equation in CFD solver [8].
The results demonstrated the potentials of a fully integrated approach to high-fidelity analysis utilizing 3D CFD simulation.