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CFD Simulation of Volute of Variable Geometry Turbocharger Jie Lei1,a, Yansong Wang2,band Hongjuan Ren3,c Shanghai University of Engineering Science, Shanghai, 201600, China aleisurewu@126.com, bjzwbt@163.com, cren-hongjuan@163.com Keywords: Variable Geometry Turbocharger; Flow Field; Finite Volume Method; CFD Abstract.
The 3D viscous compressible flow in the model of volute and the vanes is simulated by CFD using FVM (Finite Volume Method).
And taking some VGT as an example, the simulation is carried out.

Introduction Using CFD technology to study indoor air quality problem is that wind speed, temperature, relative humidity, pollutant concentration in each position of room and so on, which are obtained by numerical simulation, to evaluate ventilation and air exchange efficiency, thermal comfort and pollutant removing efficiency.
Numerical Simulation and discussions Simulation conditions.
There are two simulation schemes.
Numerical simulation results are shown in Fig.2.
Simulation of Interior Natural Ventilation and Thermal Comfort Based on CFD J.

Air-assisted boom sprayer model is developed based on CFD.
Simulation of 3D model shown in Figure 1.
Simulation Test and the Simulation Results In order to improve the calculation efficiency, selecting one of 16 nozzles as analysis object.
Simulation analysis on characteristics of droplet deposition base on CFD discrete phase model[J].Transactions of the CSAE, 2012,28(6):13-19
CFD prototyping of an air assisted orchard sprayer aimed at drift reduction [J].

Hydrodynamic Study of the Water/Oil Separation Process in a Hydrocyclone: Modeling and Simulation H.L.
The physical problem treated herein is related in predicting water and oil two-phase flow in hydrocyclone by CFD.
Table 2 - Geometrical and termo-physical parameters of the phases used in the simulations.
Hashemabadi, CFD analysis of inlet chamber body profile effects onde-oiling hydrocyclone efficiency.
Numerical simulation of industrial hydrocyclones performance: Role ofturbulence modeling.

Investigation of Syngas Combustion at Variable Methane Composition in Can Combustor Using CFD Norhaslina Mat Zian1,a, Hasril Hasini1,b and Nur Irmawati Om1,c 1Centre for Advanced Computational Engineering, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000 Kajang, Selangor ahaslinamzian@gmail.com, bhasril@uniten.edu.my, cIrmawati@uniten.edu.my Keywords: syngas, CFD, can combustor, combustion Abstract.
This paper describes the analysis of the fundamental effect of synthetic gas combustion in a can-type combustor using Computational Fluid Dynamic(CFD).
In this paper, syngas combustion in full scale can combustor is numerically investigated using commercial CFD code, FLUENT.
Combustor Model Description In this paper, a can-type combustor is used for the CFD model.
Using species transport model, the steady turbulent flow equation are according to the generalized continuity, energy and momentum equation in CFD.

Numerical Simulation Purpose.
CFD Codes.
Geometry and Simulation.
Fig.3 Perspective of CFD model Fig.2.
The number of uniform structured grids for the three-dimensional simulation is around 10, 000,000.

CFD Simulation of Installation Angle for Axial Flow Fan of a Motor Jiadong Tang 1, Yiping Lu 1 a, Xuemei Sun 1, Wanquan Zhang 1 1 School of Mechanical & Power Engineering, Harbin University of Science and Technology, Harbin, China aluyp2010@yahoo.com.cn Keywords: numerical simulation; axial flow fan; installation angle; turbulence model; physical model Abstract.
Some numerical simulation research literatures about axial flow fan introduced the following aspects of content: Using software FLUENT to Simulate 3D flow field of axial flow fan under different working conditions[1]; Optimization analysis of the parameters affecting the fan performance based on CFD calculation using third-order spline interpolation method[2]; In view of the different axial flow fan by numerical simulation and experiments, which proved CFD method used in axial flow fan on the reliability of calculation[3]; Study on the effect of hub leakage on performance and flow field details of axial flow fan by experiments and numerical[4]; Numerical simulation of vortex flows of axial flow fan[5].The numerical simulation of 3D fluid field of the axial flow fan is carried out in this paper, analyzing the impact of the installation angle on fan characteristics, providing theoretical references for fan structural design.
The effect of turbulence model on the numerical simulation results.
Fig. 4 The volume flow rate curves of the whole model and the lengthened flow passage model with the outlet pressure change Conclusions The paper takes the single blade model and the whole model as research object, the 3D numerical simulation of turbulent flow field is performed based on the CFD theories, the basic performance and scheme optimizing of the axial flow fan are researched.
Kroger: Simulation of the Flow Field in the Vicinity of an Axial Flow Fan.

This paper dynamically simulates the oxygen condition of courtyard space by the method of CFD.
According to the simulation results, researchers make triaxial quantitative analysis for greenbelt distribution, oxygen diffusion and concentration distribution of courtyard space.
In order to know present situation of courtyard oxygen environment effectively, researchers make simulation analysis on the relation of greenbelt distribution and oxygen diffusion with CFD and make quantitative analysis with GIS.
In order to enhance the accuracy of simulation, the gridding is unstructured, the gridding should be refined in low space and setting the Ratio as 0.793 (as shown in Fig. 1).
(2) Momentum conservation equation ∂Ui∂t+Uj∂Ui∂xj=-1ρ∂p∂xi-∂∂xjuiuj+ν∇2Ui j=1, 2 (2) 3 Simulation Result Analysis According to the simulation result, the oxygen concentration distribution of Shenyang Jianzhu University courtyard on different height is given as follow.

Three patches of FVIs with a density of 2.0583/cm2 were considered in the simulations.
By employing advanced modeling and simulation techniques, this research aims to comprehensively investigate the velocity parameter of flow through FVIs using CFD coupled with the Reynolds Stress 7 Equation model. 2.
The schematic diagram of the CFD model is (as shown in Fig. 2 (a, b)).
After the modeling and meshing of the CFD model, FLUENT was utilized for the simulation and post-processing of the numerical investigation.
Schematic diagram of boundary conditions of CFD model 3.

Simulation Analysis of Built Environment Based on Design Builder Software Lin Zhang Sichuan College of Architectural Technology, Deyang, Sichuan, 618000,china 7854278 @qq.com Keywords: built environment , building simulation , Design Builder (DB) Abstract.
Due to the development of computer technology, in the 1990s , research emphasis of simulation technology was transferred from simulation modeling to simulation software, so that simulation technology could be more widely applied.
Design Builder (DB) Software of Built Environment Simulation Design Builder is an integrated graphical user interface simulation software developed for dynamic simulation program (Energy Plus) of building energy consumption.
CFD function is combined with simulation model, and CFD boundary conditions can be defined based on the data output by Energyplus.
Contour plot showing daylight availability across a floorplan Daylight distribution within a zone Fig 1 Daylighting analysis diagram 4.4 Design Builder CFD Integrating the concept of CFD( Computational Fluid Dynamics ) into building model can simulate the air flow and temperature environments inside and outside the building.