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D student, Department of Architecture, National Cheng-Kung University, Tainan, Taiwan an78981133@mail.ncku.edu.tw, blinsiraya@yahoo.com.tw, cjungchou@mail.ncku.edu.tw, dneverending1984@hotmail.com Keywords: Buoyancy-driven ventilation, Cross ventilation, Passive solar chimney, CFD simulation Abstract.
Buoyancy-driven ventilation is designed in the conference hall of MSGT Fig.1 CFD simulation in the conference hall of MSGT A naturally ventilated conference hall in MSGT is used by designed utilizing a passive solar chimney.
Data from the MSGT meteorological station on the outdoor temperature, outdoor wind speed, outdoor wind direction, solar radiation, and relative humidity were used in the CFD simulation (Table 1).
Boundary conditions in terms of thermal comfort simulation CFD simulation results The experimental results and those obtained using the numerical model under the same climatic conditions indicates that the air exchange rate was 5.15 ACH (left side of Fig.2).
This value is very close to the simulated air exchange rate of 5.15 ACH, and within the instrumental error, proving that results of the CFD simulation of conference hall ventilation were accurate.

Furthermore, CFD simulation based on Eulerian model with vertical evaporation and condensation was developed, to gain sharp interface treatment between phases.
The Navier-Stokes equations are solved simultaneously in CFD simulation.
Experiments and Simulation Experiments.
CFD simulation.
Then a flow regimes simulation by CFD methods had been experimentally and numerically studied.

China a emaill: panxqcx@sohu.com Keywords: Mold Filling, Numerical Simulation, CFD, NHT, Interfacial Tracking Abstract.
As a debut, the general-purpose CFD software is used to establish the practicable mechanical model for the simulation.
As a debut, the general-purpose CFD software - FLUENT [12] acts as a tool to establish the practicable mechanical model for numerical simulation on mold filling process of casting.
In applications of CFD, the aforementioned equations and their solving process as well as the consequent postprocessing are generally called RANS-based simulation.
(a) Velocity vector (b) Pressure contour (c) Temperature contour Figure 2 Distribution of main physical fields in the filling process by simulation (t=5.619s) 5 Conclusions With a view to applying advanced CFD techniques to industrial practice, this paper, by means of general-purpose CFD software for the first time, carried out a simulation on mold filling of casting.

In this study, computational fluid dynamics (CFD) simulation was used to predict the performance of photoelectrocatalytic (PEC) reactors with surface reactions.
Further experimental work is required to validate the CFD simulation to allow better understanding and improvement of the overall efficiency of PEC reactors.
CFD simulations were performed in the three dimensional (3D) domain.
CFD simulations were performed in the 3D domain, where the 3D illustrations of the studied photoreactor geometries are shown in Fig. 1.
Mohseni, CFD simulation of UV photocatalytic reactors for air treatment, Am.

Therefore, it is necessary to conduct research on numerical simulation of the three phase mixing inside the stirred tank by means of CFD technology[9-12].
Conclusions This paper combines topological theory with CFD numerical simulation technology and adopts the hydraudynamics model as research means which is commen in industrial simulation to put forward a method that forecasts gas, liquid and solid multiphase mixing uniformity.
Numerical simulation of gas–liquid–solid fluidization systems using a combined CFD-VOF-DPM method: bubble wake behavior.
CFD simulation of hydrodynamics of gas–liquid–solid fluidised bed reactor.
CFD STUDY OF MIXING PROCESS IN STIRRED TANK.

3-D CFD Simulation of the Airflow over a Gable Roof with Different Elevations KRALIK Juraj 1, a * 1Faculty of Architecture, Slovak University of Technology in Bratislava, Namestie slobody 19, 812 45 Bratislava, Slovak Republic akralik@fa.stuba.sk Keywords: CFD, 3-D, airflow, fable roof elevation, turbulent flow, ANSYS Fluent Abstract.
A suitable CFD simulation model can be obtained only if the wind that is approaching over a uniform flat terrain (the wind velocity as well as turbulence quantities distribution) does not change along the computational domain with the same flat terrain.
Results from CFD simulations can be further used for more sophisticated calculations of the effects of wind on buildings and structures, [1,2].
In a CFD simulation, the inlet boundary condition of mean wind speed and turbulence quantities represent the approaching fully developed wind flow.
Kozubkova, CFD simulations of the effect of wind on the spontaneous heating of coal stockpiles, in: Fuel, Vol. 118, 2014, pp. 107-112

Simulation model 3D model.
Fig.1 The cover and pressure plate Fig.2 CFD model CFD set up.
Open the CFD model, which is already been meshed, in ANSYS CFX [7] module.
From the view of numerical analysis, the problem of clutch CFD simulation is how to deal with the interaction between clutch and the air around it.
CFD simulation analysis of vehicle engine colling fan and aero-acoustic reduction research [D].

CFD Simulation Governing Equations and Drag Coefficient.
CFD Simulation and Results.
The CFD simulation is carried with three different turbulence models and two different boundary conditions.
For 0.8 times of the car length, the simulation results are shown in table 1, where we can find the simulation results varies when the far field is set as No slip wall.
More CFD research job will be done for further study of this problem.

A Study on the Flow Field Simulation of Insertion Flow Sensor in Large Diameter Pipeline CHEN Jian-zhen1, a*, LI Bin2,b, WANG Hui1, LIAN Xiao-man1, XU Yu-ming1 1 Department of Computer Science, Hengyang Normal University, Hengyang 421002, China 2 School of Mechanical & Electronic Engineering and Automation, Shanghai University, Shanghai 200072, China aScut_cjz@163.com, b sulibin@online.sh.cn Keywords: Insertion Flowmeter, Flow field distribution, CFD Abstract.The study is to employ the analysis method of CFD simulation, when putting the insertion flow sensor in large-diameter pipe, to analyse the characteristics of flow field distribution of the insertion flow sensor in detail.
At present, the small multi-core parallel cluster system provides better conditions for the application of CFD simulation, and can well meet the needs of the flow sensor simulation and analysis of flow field in general [7].
Therefore, in this paper we will study the detailed characteristics of flow field distribution of insertion flowrate sensor through the analysis of CFD simulation, in order to better design insertion flow sensor with high performance. 1 Simulation experiment 1.1 Geometry model Insertion electromagnetic flowmeter is particularly suitable for large diameter pipeline measurement.
This paper describes vortex problems, effecting measurement, about insertion flow sensor in the CFD simulation, which are possible interference factors of measurement using general insertion flowmeter.
The Multi-Core CPU Parallel Computation for CFD Simulation of Flowmeter, International Symposium on Information Science & Engineering 2008 (ISISE '08).

Numerical Simulation Research about Group High-Rise Buildings around Wind Environment Ling Huang1, a, Xiabing Liu2, b 1College of Civil Engineering and Architecture, Nanchang Hangkong University, Nanchang 330063, China anchyhl2@126.com b627665303@qq.com Keywords: Groups of high-rise buildings, Interference effects, CFD numerical simulation；wind pressure Abstract：Using the common classical turbulence model, k-ε turbulence model which has fairly common usability，CFD simulations for group high-rise building and wind-induced static interference between tall buildings, are conducted.
Based on the comparison between the CFD and relative wind tunnel test ,it shows that: the method of numerical simulation have better accuracy, could be used for group high-rise buildings study of static interference.
Fig.2 Sensor Arrangement and The Direction of The Wind Schemes Fig.1 Buildings Layout Numerical simulation Applied the basic principles and methods of Computational Fluid Dynamics (CFD) , the wind load on the surface of main building is simulated.
In the numerical simulation, the calculation model according to the actual scale is built, omitting the simulation which has little effect on the part of local architecture.
According to simulation results.