Search results

Keywords: Vertical air conditioner; CFD; Temperature Distribution; Simulation; Air Flow Distribution Abstract.
(3) The results of simulation were reasonable and close to practical, which showed CFD was a suitable tool to apply into the field of air condition and ventilation engineering.
Theoretical study and CFD simulation of airflow distribution through a cold store [J].
Application of computational fluid dynamics (CFD) used in simulation of cold store[J].
CFD simulation of effects of operating parameters and product on heat transfer and moisture loss in the stack of bagged potatoes[J].

The CFD simulation results suggest that the presence of spacers causes velocity fluctuation, high shear stress and high pressure drop.
In this paper, a two-dimensional CFD simulation for spacer filled membrane channel was conducted.
As it is shown in Fig. 2, the analytical results are compared with those from CFD simulations.
In order to study the effect of spacers’ location, a CFD simulation of channels filled with two spacers were conducted.
The CFD simulation also indicates that spacer of new shape gives significant reduction in pressure drop while the shear stress retains a comparable value.

And we reuse software ANSYS FLUENT to make simulation analysis of the negative pressure chamber for flow field .
So in this paper, we make a flow field simulation to gas suction drum precision seeding mechanism’s negative pressure chamber through using CFD (Computational Fluid Dynamics) technology. 1.
The simulation analysis of negative pressure chamber air flow field which is based on the CFD technology Using the CFD technology, we solve the simulation of aspiration drum precision seeding mechanism’s negative pressure chamber air flow field can be divided into three steps: pretreatment (ICEM CFD), solving (ANSYS FLUENT), the post-processing (ANSYS FLUENT). 4.1 Pretreatment (ICEM CFD modeling and mesh division) By using the interface of CATIA software, the ICEM CFD software will leading in seeding mechanism geometric model.
So far ,the flow field’s simulation of gas aspiration drum precision seeding mechanism’s negative pressure chamber by using CFD technology is feasible.
References [1] Li Pengfei, Xu Minyi，Wang Feifei：Proficient in CFD Simulation and actual cases.Press of People’s Posts and Telecommunication，2011

CFD flow model and its effects on the calculations of high pressure sprays Laiguo Liua, Xiaojun Zhangb，Songlin Nie College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100124, China aliulaiguo@163.com, bxjzhang@bjut.edu.cn Keywords: CFD, High-pressure water jet, simulation, flow model Abstract.
Validation Of CFD Simulations The experimental data was used to validate the CFD results from modeling the ejectors used in their experiments under the same operating conditions.
Numerical Simulation of High Speed Turbulent Water Jets in Air.
The measurement and simulation of indoor air flow.
Renormalization Group Modeling and Turbulence Simulations.

The Influence of Turbulence Model Selection and Leakage considerations on CFD Simulation Results for a Centrifugal Pump LIU Han1, a, PAN Huachen2 1School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, 310018,China, 2School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, 310018,China, aliuhan2999@163.com Keywords: centrifugal pump; CFD; SST turbulence model; leakage Abstract: A commercial CFD software was used to simulate and predict a centrifugal pump performance.
Consider the cases above all, they have no mention the influence of leakage considerations and SST turbulence model on a centrifugal pump CFD simulation results.
Fig.3 Head-Rate of flow curve It is found the result using SST turbulence model conforms to the test result. 4.3 The influence of leakage consideration on CFD Simulation Results Fig.4 Volute and leakage Above all of the numerical simulations include the leakage.
[3].C.Homsby.CFD-driving pump design forward.World Pumps.2002(2002):18-22
Inner flow field numerical simulation and performance forecast of centrifugal pump based on CFD [J].Journal of central south university of forestry & technology,2010,30(3):129-132

CFD Simulation of a Simplified Automotive Model for Various Rear Slant Angle S.Mansor1, a, N.A.R.
ashuhaimi@mail.fkm.utm.my, bridhwan@fkm.utm.my, cwcchan2@live.utm.my Keywords: CFD simulations, Davis model, Vehicle aerodynamics Abstract.
Thus, CFD simulation plays an important role here.
So that, the CFD modeling method utilized here should be verified before conduct the simulation.
Hence, k- ω SST turbulence model has been chosen for all CFD simulation in this paper.

Study on Dynamic Characteristics of DC Valve in Electro-Hydraulic System Using CFD Simulation Aphaiwong Junchangpood Department of Teacher Training in Mechanical Engineering, King Mongkut’s University of Technology North Bangkok, Thailand aphaiwongj@kmutnb.ac.th Keywords: Dynamic Characteristics; CFD Simulation; Electro-Hydraulic Systems.
Hence, in this paper, the dynamic characteristics of the directional control valve are defined by CFD simulation, and the flow behaviors are also demonstrated.
Numerical Analysis Using CFD Simulation For solving the problem of flow through the valve, the numerical analysis with the computational fluid dynamics (CFD) is employed.
Figure 1 3D Computational domain for CFD.
The flow has been simulated in a 3D computational domain using the CFD simulation, based on turbulence models and dissipative numerical methods, as the Reynolds Averaged Navier– Stokes (RANS) approaches.

Computational Fluid Dynamics (CFD) simulations can be valuable alternative to measurements and semi-empirical methods.
CFD simulations are made for a limited number of horizontal rainfall intensity and wind velocity couples.
Kubilay et al., CFD simulation and validation of wind-driven rain on a building facade with an Eulerian multiphase model.
The cost 732 best practice guideline for CFD simulation of flows in the urban environment: a summary.
Blocken et al., CFD simulation of the atmospheric boundary layer: - wall function problem.

Owing to these factors, researchers begin to study tray hydraulics by CFD simulation.
Development of CFD Model 1.
Fig.1 The grid map and boundaries of CFD simulation Simulation and Discussion The calculation is carried out using FLUENT.
Fig.2 Comparison of experimental clear liquid height with results of CFD simulations Fig.2 shows the alternation of clear liquid height when QL/W=8.25×10-3m3/(s·m).
This study has shown that CFD can be used as a powerful tool in designing and simulation of dividing wall trays.

Research on Multi-solver Simulation Interface of Aero-engine Compressor Yang Zhao*1, a, Jie Jin2, b and Jiang Fan3, c 1Beihang University, Beijing, 100191, China azhaoyang@buaa.edu.cn, bjinjie@buaa.edu.cn, cfanjiang@buaa.edu.cn Keywords: Compressor, CFD, Simulation interface, Data format, CGNS.
Establish a CFD simulation interface for compressor aerodynamic analysis based on general CFD software.
The simulation interface includes data format, process and interface standard.
Literature [3] CFD applied a universal CFD interface model on parallel platform.
This paper designed a user oriented, parameterized CFD simulation interface for compressor aerodynamic analys based on general CFD softwares such as ANSYS CFX, NUMECA and so on.