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The oscillating frequency that was applied in the simulation is f = 560 Hz whereas the amplitude is A = 0.04 mm.
All the numerical simulations of synthetic jet actuators began from the steady state condition that is without the activation of the oscillating diaphragms.
The governing equations and the numerical approaches implemented for the simulation of moving boundary flows are presented.
By utilizing the commercial CFD software ANSYS CFX-14.5, the heat transfer analysis is conducted by acquiring the instantaneous temperature and velocity fields in the micro-channel.
Results and Discussion Numerical simulations of synthetic jet actuators were started from the steady state condition without activating the jet actuators.

From the surface wind pressure distribution map of the Main Stadium generated through CFD simulation, one can see a differential pressure of 3Pa is formed between the south and east of windward side and the north of leeward side under prevailing wind direction in Guangzhou to serve as sufficient drive for indoor natural ventilation [6, 7].
Fig.1 Wind press distribution of outer surface In air outlet and inlet design, surface wind pressure simulation of the building shows that open air windows can be installed in the south façade and the roof within the positive wind pressure area to lead in the wind [8, 9].
The simulation of direct light distribution with or without vertical sun-shading boards via lighting analysis software is shown in Figure 6, from which one can perceive that direct solar radiation is nearly blocked out [10].
With the test result basically in line with simulation result of natural ventilation in Main Stadium, it shows that traditional sunken stadiums prone to form “Basin Effect” in the playing field, causing poor ventilation and inability to effectively use natural ventilation to improve thermal comfort.

Multi-fluid Mathematical Model For Blast Furnace and Its Parallel Solution Jiale Menga, Jianhua Shaob* and Aimin Zhaoc Research Institute of Metallurgy Engineering, University of Science and Technology Beijing, Beijing 100083, China aemail: jialemeng@yahoo.com, bemail: jhshao2004@163.com, cemail: aimin.zhao@ustb.edu.cn Keywords: blast furnace; mathematical model; simulation; CFD; parallel computing Abstract.
Solution Methods The above three sets of equations, together with their boundary conditions form the basis of the simulation study.
Results and Discussion Validation The simulation was applied to the actual operations of a blast furnace of which inner volume was 750 m3.

Investigation of the Evaporation Processes of Gel Propellant Droplets Songjiang Feng1,a, Haobo He1,b, Xue Liu1,c, Bo He1,d and Wansheng Nie1,e 1The Academy of Equipment Command & Technology, Beijing, 101416, China ahnfengsj@163.com, bABHHB@163.com, cliuxue00112002@gmail.com, dhebo_85@163.com, enws69@126.com Keywords: Gel propellant, Evaporation Model, Numerical Simulation, Experiment Abstract.
The numerical solutions were obtained using the research CFD code developed at Propulsion Theory & Technique Laboratory (PTTL) [7].
Fig. 6 Evaporation process of a 1.0 mm droplet Fig. 7 Evaporation process of a 2.5mm droplet Conclusions The evaporation processes of gel droplets are studied by way of numerical simulation and experiment.

A CFD-Fortran code based on the finite volume technique was elaborated for the numerical solution of the mathematical model of the problem.
Numerical Procedure In the present study, a CFD-Fortran code based on the finite volume method [44] is elaborated to discretize the governing equations with associated boundary conditions.
After analyzing the data, (52×44×162) grid size was selected for the numerical simulations.
The simulations were done for nanoparticles volumes fractions and different Grashof numbers.
[28] E Abu-Nada, Effects of variable viscosity and thermal conductivity of CuO-water nanofluid on heat transfer enhancement in natural convection: mathematical model and simulation, (2010) 052401

The tide simulation for the Sunda Strait is depicted in Figure 1.
Simulation Tidal current speed at Sunda Strait Currently, the high potentioal to develope is Vertical Axis Marine Current Turbine (VAMCT).
Future work could include developing a 3D Discrete Vortex Method solver, modeling airfoils using different curve methods like splines or Bezier curves, defining a boundary for airfoil coordinates optimization, using CFD as a solver to determine the power coefficient of a new wind turbine, and conducting experimental research on the ideal Savonius airfoil, among other things [8].
Numerical simulations of two-dimensional flows around a Savonius rotor with various curvature of the blade. 

The objective of experiment was using the groundwater heat exchanger to construct wall and simulation the thermal barrier of building.
The highest temperature on the surface of the simulation system is 41℃ in direct sunlight at noon.
The Fluent – CFD (Computational fluid dynamics) software is used to simulate the temperature distribution in the concrete testing body, metal pipeline and groundwater flowing in the pipeline.
This figure 3 shows a simulation for thermal convection in the house at the noon.

Valeri et al. developed a three-dimensional computational fluid dynamics (CFD) model to simulate gas evolution and current distribution in a DMFC [6].
Grid Independency Test Right mesh selection is an important task in simulation study.
The simulation results display non-uniform distribution of methanol at the different cross sections.
Fig. 7 presents simulation outcomes with a comparison of the averaged liquid z-direction velocities on above-mentioned three surfaces along the surface plane negative y-direction with time.

Furthermore, brazing phenomena such as the wetting/spreading behaviors of the melted filler metal and the erosion behavior of the base metal during the laser brazing process were analyzed by computer simulation. 2.
It follows that the erosion phenomena can be predicted quantitatively by the computer simulation during laser brazing process. 4.2 Flow Behavior of Melted Filler Metal during Laser Brazing Process The flow of the melted filler metal of Au-18%Ni on a butt joint of Inconel 600 during the laser brazing process were analyzed by the computer simulation.
It follows that the wetting/spreading and infiltrating behaviors of the filler metal during laser brazing process can be predicted by the computer simulation. 5.
(4) The flow of the melted filler metal of Au-18%Ni on a butt joint of Inconel 600 during the laser brazing process were analyzed by the computer simulation.
[8] Flow Science, Inc. customized by CFD Lab., (2005).� Single beam brazing Tandem beam brazing Brazing clearance : 0.1mm Fig.9 Comparison of flow behavior of filler metal droplet on butt joint with between single beam brazing and tandem beam brazing (brazing clearance : 0.1mm)

Scholars also contribute some efforts to the computer assistant simulation study.
Under the default value condition,, the simulation of numerical analysis is performed by using empirical numbers.
With the help of professional mesh generation software ICEM CFD, an unstructured tetrahedral mesh is generated, with the total mesh number of 915000.
The result of simulation coincides with the erosion condition in practice.