Search results

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

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.

CFD in verification and validation (V&V) are the primary means to assess accuracy and reliability in computational simulations [1].
Therefore, CFD becomes a common tool which is able to solve practical fluid flow motion either by numerical methods or simulation.
CFD in Validation vs Comparison Validation and comparison in CFD are related with the very wide-ranging field of modeling and simulation.
Relationship between teaching and industry using CFD COMPANY PROJECT SOLUTION NGL TECH & PETRONAS Project 1: High Recovery Crude & Condensate Stabilization CFD Simulation NGL TECH & PETRONAS Project 2: Slug & Sand Handling and Separator with Integrated Polishing Scrubber CFD Simulation Halton Group Asia Sdn.
Phases of experiment, simulation and industry Several industries in Malaysian that implement CFD are collected in Table 2.

With the developments of the computer science and CFD software itself, CFD has been applied into every field in engineering which can save the cost and time of research.
Compared with the actual experiment, the CFD simulation technology can save a large number of testing time.
In addition, the application of the CFD simulation technology does not need the actual model to reduce the testing cost.
Wang used 2D CFD model and conducted the simulation to HTST and UHT sterilization, and she came to a conclusion that different consuming time for different heating temperatures of sterilization [10, 11].
CFD simulation approach The size of model for pasteurization sterilization was followed the actual can which was 7.85cm, 2.65cm and 0.15cm for length, radius and wall thickness, respectively.

Through CFD, Computational Fluid Dynamics application to calculate the numerical simulation, this paper is to study natural wind velocity and temperature distribution of the internal and external room of BIPV with solar skin.
Introduction of CFD Simulation Software Computational Fluid Dynamics is to apply on comparing the numerical simulation result and experiment result with the condition of building natural ventilating.
CFD Numerical Mode Construction Simulation Experiment Mode Construction Spacial Mode Constructure.
CFD delivers turbulence mode according to different simulation environment.
CFD apply the non-liner formula for assessment.

Numerical Simulation of Indirectly Heated Hot Water Heater Richard Lenhard a, Katarína Kaduchová b and Jozef Jandačka c University of Zilina, Faculty of mechanical engineering, Department of power engineering, Univerzitna 8215/1, 010 26 Zilina, Slovakia arichard.lenhard@fstroj.uniza.sk, bkatarina.kaduchova@fstroj.uniza.sk, cjozef.jandačka@fstroj.uniza.sk Keywords: Numerical Simulation, heated hot water heater, CFD method Abstract.
Subsequently been made CFD simulations of the device, and those were compared with a mathematical model to verify the accuracy of the proposed mathematical model of heating hot water for indirectly heated hot water heater.
Fluent is common CFD software which defines boundary conditions, which are a precondition for the correct calculation [2].
The CFD model was reached, heating time 40 min.
CFD simulation results will be verified on real models, if the results are consistent with the CFD model, we use a CFD model for further simulations.

CFD Simulation of Curved-roof Subjected to Thunderstorm Downburst CUI Bi-qi1, a, CHEN Yong1, b 1Institute of Structure Engineering, Zhejiang University, Hangzhou 310058, China amybiqi@gmail.com, bcecheny@zju.edu.cn Keywords: thunderstorm downburst; CFD simulation; curved-roof; pressure distribution Abstract: Thunderstorm downburst is a sort of outburst strong wind on or near the ground, and its wind field characteristics are significantly different from boundary layer winds.
Computational fluid dynamics (CFD) was employed for this stationary downburst simulation, also the wind pressure distributions of the curved-roof in this flow had been surveyed by varying the parameters of the structure.
In recent years, numerical simulation that is based on CFD technique has shown good prospects for the researches who interested in the thunderstorm downburst.
Numerical Simulation Commercial CFD software, Fluent 6.0 was employed to simulate the thunderstorm downburst, and a full-scale three-dimensional (3D) stationary model was adopted.
Numerical simulation of thunderstorm downdrafts.

CFD Simulation of the Fused Silica Synthesis Furnace Tao Feng1,a, Peiyong Wang1,b 1Department of Aeronautics, Xiamen University, Xiamen 361005, China a19920101152754@stu.xmu.edu.cn, bpeiyong.wang@xmu.edu.cn Keywords: Fused Silica, Optical Uniformity, CFD, CVD, STAR-CD.
A CFD simulation has been carried out for an industrial furnace and process.
The overall chemical reaction can be described as: 2H2 + O2→ 2H2O; SiCl4 + 2H2O → SiO2 + 4HCl Horender et al. [5] reported a CFD simulation of silica synthesis process; the qualitative match between the simulation and experiment is acceptable, it proves the feasibility of CFD simulation in silica synthesis.
Through the user subroutine coding, radiation modeling was included in the CFD simulation of the fused silica furnace.
It proves the appropriateness and feasibility of the CFD simulation method used in the paper.

CFD Simulation of the Fluidized Bed Applied in the Synthesis of Benzene Series Organosilicon Xinfeng Han1,a, Jianlong Li*1,band Ning Xu2,c 1College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, People’s Republic of China 2First People’s Hospital of Yunnan Province, Kunming, 650021, People’s Republic of China ahxf167@126.com, bljlong@qust.edu.cn, cxuning_0629@yeah.net Keywords: fluidized bed, CFD simulation, fluidization characteristics Abstract.
The CFD simulation was carried out with commercial software FLUENT6.3 by using Eulerian-Eulerian multiphase models, based on the kinetic theory of granular flow and PC-SIMPLE algorithm.
As the most specialized and functional CFD software, FLUENT was adopted to perform the simulation of fluidized bed.
Fig. 1 Geometry of the simulation system Table 1 and Table 2 summarize the values of model parameters/conditions applied for the CFD simulation of the 2-dimensional fluidized bed in this study.
Conclusions The CFD simulations were performed applying the theory of particle dynamics.

Analysis and Evaluation of Wind Turbine Flow Field and Noise Simulation based on CFD Software WengLingxiao1, a, XuJiunan1,b and HuZhixin 1,c 1Nanchang Institute of Science & Technology, Nanchang, 330108,China a474458032@qq.com, b112226699@qq.com, c674178295@qq.com Keywords: CFD software, FLUENT simulation, K-e model, AutoCAD software, Unstructured grid, Noise field.
CFD is the abbreviation of the computational fluid dynamics, which is widely used in engineering fluid simulation.
Overview of Fan Flow Field Simulation and the Noise based on CFD Software CFD numerical simulation calculation is a complicated process, accurate calculation is influenced by many factors, including the size of grid, boundary settings and computer software and hardware equipment [3, 4].
Fig. 1 CFD calculation flow chart Fig. 1 shows the specific process of CFD calculation.
Simulation and test of hot and humid environment in natural ventilation glass greenhouse based on CFD.