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A CFD numerical model to compute airflow field of blower was established, and the fan parameters were optimized.
The flow simulation CFD method.
CFD model established.
Fig. 1 Geometric model of blower Fig. 2 FE model of blower Simulation result.
According to the table, the simulation results were close to be the experiment ones, and the errors were less than 7 percent, thus the CFD model of blower could be believed to be accurate and the simulation results were reasonable.

Steady state simulations were performed using three dimensional commercial CFD solver with appropriate boundary conditions.
Rahman et al. [2] modeled and simulated a typical kitchen using 3-dimensional CFD code.
Steady simulations were performed for all cases and allowed to run up to 1000 iterations.
Steady simulations were performed with adiabatic wall condition to compare the numerical results with the experimental data.
Good comparisons gave us the confidence that the current numerical method can be adopted for the kitchen ventilation simulations.

Early attempt to use Computational Fluid Dynamics (CFD) in simulation of 3D tanks can be found in [3].
They used general purpose CFD programs which were applicable only for limited cases.
The study involves CFD modelling based on a three- dimensional geometry using a commercial CFD package.
Computational Details A commercial finite-volume CFD code, FLUENT® has been used in this study. 3D simulations have been implemented with similar characteristics of mesh generation and solver setup with laminar flow.
E. in: Sloshing in a three dimensional rectangular tank: Numerical simulation and experimental validation.

The crystallization process of potassium chloride was simulated by CFD and MATLAB.
The fluid dynamics information of multi-phase flow are usually obtained by CFD simulation, so the fluid dynamics model are usually solved on the basis of finite volumes (CFD grids) [7].
The fluid dynamics information can be obtained by CFD simulation.
Simulation results The simulation is carried out in the multi-phase model to obtain the fluid dynamics information by CFX software.
The results of CFD simulation showing the distribution of the suspended crystal volume fraction are based on certain average crystal volume faction of the crystallizer.

The aerodynamic parameters is calculated by CFD CFD is based on solving the Conserved quantities of control volume Per unit time in the three basic control equation include mass equation, momentum equation and energy equation.
Based on CFD, it can obtain the basic aerodynamic parameters which are the need of solving the radiation of flow around of hypersonic aircraft.
The result of simulation is showed in figure 1 to 7
(1) The aerodynamic parameters of aircraft flow is calculated by CFD The result of aerodynamic parameters is showed in figure 1 to 4.
CFD validation studies for hypersonic flow prediction.

FLY System of Green Infrastructure for Coping with Climate Change Goeun Choei a, Jeongeun Baeb, Sangmin Shinc and Heekyung Park*d Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea agechoi@kaist.ac.kr, bbje2314@kaist.ac.kr, chappysm79@kaist.ac.kr, dhpark57@kaist.edu * Corresponding Author, +82-42-350-3620 Keywords: Green infrastructure, Green city, Green growth, Climate change, CFD.
The CFD simulation was used for analyzing change of temperature at transition layer and indoor.
Method To achieve this goal, three simulation cases were examined as shown in Table 1.
The CFD model was built for calculating gas fluid dynamics and heat transfer.
The continuity equation and the momentum equation, state equation, and equation of energy conservation were applied as governing equations of the CFD model.

Finally, through calculation of CFD simulation software, the new mixer can achieve good mixing effect and satisfy the requirement of experiment.
Introduction Oil-gas-water three phase flow experimental facility is a set of oil Wells, multiphase flow pipeline transportation simulation and experimental studies of multiphase flow as the integration of indoor small experiment device. [3] To be done according to the experiment content, the device profile flow diagram as shown in Fig.1.
This experimental facility, belongs to the indoor simulation experiment, is made in a transparent pipe simulation wellbore and realizes the observation of gas-liquid two phase flow pattern changing process, which is to ensure that two phase fluid kinematics and dynamics parameter variation range and accuracy from the simulation experiment.
We can us the CFD (Computational fluid dynamic) software to simulate the mixture effect and to solve its mixing parameters.
By using CFD software to simulate calculation, i.e., first through the specialized pretreatment software Gambit drawing and initial meshing and so on.

The simulation is performed for 12 PLCC under different inlet velocities and chip powers.
Three-dimensional analyses of heat and fluid flow over a single 84 pins-PLCC package mounted on a printed circuit board (PCB), treated as a conjugate heat transfer problem were reported from Quadir et al. (2000) and Jayakumar et al. (2004) who used Fluent, the CFD software, for the simulations.
The Simulation Model Three dimensional structured meshes are used for the flow simulation in the twelve packages.
Seetharamu, Application of CFD in Cooling Electronic Packages, The Seventh Asian Congress of Fluid Mechanics, pp 777-780, December 1997
[24] M.Mohamed, R.Atan, “Three Dimensional CFD Simulations By Using FLUENTTM Software To Determine Junction Temperature On Electronic Components By Using Nano-material, Nano-Silver ”, Scientific Research Journal (SRJ), Jun 2011.

In contrast, it is relatively easy and cost effective to carry out a parametric study through numerical simulation and derive acceptable correlations for use in industry.
The CFD analysis is carried out using FLUENT 12.1, Colburn factor j and fanning friction factor f are calculated for different Reynolds numbers.
Description of the problem and geometry A total of 250 different fin surfaces are modeled and CFD analysis is carried out for developing correlations.
The fluid path has been modeled using CFD.
Figure 2 shows the temperature and pressure profile of a triangular fin at Re = 5000 based on the CFD output data.

Newly developed mathematical and physical model using CFD simulation is used for simulation of hygrothermal stress in chosen part of the ice arena roof construction, which substantially affects quality, utility properties and life time of timber roof components.
Computer simulation methods The available measured data did not provide sufficient information for the required risk analysis of wood degradation, therefore, to obtain the necessary information, numerical CFD simulations in the Fluent program and our own numerical model were used.
Simulations were carried out on two simplified geometries of the arena, specifically a 3D model of the arena quarter, see Fig. 1c) and a 3D model with a periodically repeating segment of the arena, see Fig. 1d).
The very good accordance of the experiment results with the CFD simulation, in the order of inaccuracy of up to approx. 5%, allowed us, for the final heat-moisture assessment of wooden elements, to use the experiment values and to add the missing surface temperatures on both strips of the girder from the simulations.
Basic equations for determining EMC (equilibrium moisture content) used for simulation are provided, for example, in publication [3].