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Verification of the numerical models Comprehensive experiments on the head losses of throttled surge tanks with standpipe were conducted in order to validate the numerical model and verify the accuracy of the simulations.
Fig. 4 The velocity isograms in the standpipe and the flow pattern in the backflow region Figure 4 shows the velocity isograms in the standpipe and the flow pattern in the backflow region, which are the simulation results.
The experiments were conducted in order to validate the numerical model and verify the accuracy of the simulations.
Best Practice advance for CFD in Turbo machinery Design.
QNET-CFD Network Newsletter, vol. 2(3), (2003), pp. 35-37

A method was developed with coupling simulation by both software of DeST-h and computational fluid dynamics (CFD) in typical meteorological year (TMY) in Guangzhou.
There is not appropriate simulation tool to predict energy use of natural ventilated building, too.
In order to save the computer simulation time, a simulation method was pointed out, shown in the figure 2.
There were two kinds of wind environment simulation schemes due to the different occupant Figure 2 Simulation flowsheet behavior in the residential building.
Simulation of building cooling load.

First, CFD Numerical analyses were conducted to test the feasibility.
Research also had been conducted by numerical methods [10] experimental and CFD analysis comparing both for this solar assisted ventilation system [11].
ComSol multi-physics software was used to conduct the numerical simulation and mesh grids are shown in Fig 3b.
Taiwan, for his valuable advises and consultants in the numerical simulation.
Model experiment and CFD Analysis on a solar assisted ventilation system.

CFD Simulation for Displacement Deep-vee Vessels on Resistance Influence Factor XIE Yi1, a, XIA Xiang-dong2 1,2College of Naval Architecture and Power, Naval University of Engineering, Wuhan 430033, China a datou-1977@163.com Keywords: Deep-Vee vessels, resistance, RANS equations, CFD.
According to the methods of geometric model generation, grid of meshing, computational domain and boundary conditions setting, numerical simulation of the 3D viscosity flow over eight deep-vee vessels are calculated in this paper.
As can be seen from two figures, the numerical results of total resistance shows a fair agreement with experimental data at numerical simulation velocity range.
SUN, et al: Numerical simulation of free ship model towed in still water.

In addition, an experiment under the similar conditions of the simulation is conducted and the results are compared with that of the simulation.
Simulation procedure The simulation is performed with the FLUENT 6.3 package.
The simulation starts from where the jet exits the nozzle.
Simulation results and discussions.
Conclusions In this paper, a 3D CFD simulation on fluid field at different impact angles has been undertaken.

In2009, both 2D and 3D simulations (Figure.2) were carried out using the volume of fluid method (VOF) and compared with experimental data and empirical correlations.
Free Surface Flow of Liquid Slag Simulation.
In2009, both 2D and 3D simulations[7] (Figure.3) were carried out using the volume of fluid method (VOF) and compared with experimental data and empirical correlations published in literature.
Dongsheng, CFD simulation of free surface flow and heat transfer of liquid slag on a spinning disc for a novel dry slag granulation process, Progress in Computational Fluid Dynamics, 10 (2010) 292-299
Tade, Characterizing liquid film thickness in spinning disc reactors, 7th International Conference on CFD in the Minerals and Process Industries.

The HPDC process of a simple part, simulated using CFD tools (Flow-3D®Flow Science Inc.) is also reported.
By means of such simulation the integrity of shaping components was studied.
Furthermore, the semisolid die-casting of diverse elements is being studied by means of simulation tools, using the CFD software Flow-3D® (Flow Science Inc).
The preliminary simulation in Flow 3D is reported here for the HPDC process.
Thermal profile during de HPDC simulation process Figure 5.

A numerical model for laser cutting process is developed based on the Computational fluid code Fluent-cfd.
In the case of circularly or un-polarized laser radiation , The averaged absorptivity A can be estimated as the average value of the reflectivities of parallel and perpendicularly polarized radiation RP and RS. [6]: (7) Parameters used in the simulation The commercial code Fluent 6.3 CFD, to which several modules were appended (User Defined Functions UDF) was used to accomplish the simulation [7].The calculation domain is illustrated in figure 1.b, including the substrate and part of the gas region (gas phase).
In order to make the calculation tractable, small physical size of the specimens, 4mm × 5mm × 1.5mm is employed in the simulation and a uniform cell grid mesh was used.
The physical properties used in the simulation corresponding to that for mild steel [8] are shown in table 1.The optical properties n and m (refractive and extinctive indexes) are function of wavelength and different temperature-dependent material properties.
The parameters adopted in the simulation are: laser power: 2 KW, cutting velocity: 50 mm/s, gas velocity: 100-200 mm/s, laser beam radius: 0.5 mm.

Conceptual Design and Hydrodynamic Analysis of a High-Speed Deformable Trimaran Hongsheng Yan1,a, Xiaoying Xu1,b and Yanxin Feng 1,c 1Architectural Engineering Institute of Tianjin University, China aholmes_tj@126.com bxuxiaoying52616@163.com cwoshiwawa0901@163.com Keywords: high-speed trimaran; resistance performance; CFD; side-hull interference; adjustable-length Abstract: This paper proposed a new high-speed deformable trimaran based on DTMB5415, and discussed its advantages and applications.
We computed the hydrodynamic performance with CFD method and analyzed the wave-making interference and resistance performance for eight different arrangements of this trimaran.
CFD Simulation Based on the eight layouts, we calculated the navigation resistance when the high-speed trimaran is on the uniform linear motion in the still water and got the simulation of the flow field around it.
Configuration 0 shows the simulation of monohull.

This paper then conducted simulating computation through computational fluid mechanics (CFD) theory and Fluent software, and obtained the size of the monitoring points of the two typical rearview mirrors, static pressure chart, motion pattern and turbulent kinetic energy distribution diagram, and sequentially analyzed the reason for more noise of the mirror 2.
Firstly, obtain the solution through stable k-w model, obtain the basic information of the flow field, and provide initial flow field for the large-eddy simulation computation.
Table 1 Solving conditions of the steady realizable model Boundary Location Boundary Conditions Set Value entrance of computational domain entrance 100km/h exit of computational domain exit Press-outlet computational domain and floor wall face Wall top surface and side of computational domain wall face Wall 3 Analysis result of numerical simulation 3.1 Wind tunnel test and CFD simulation benchmarking In order to prove the correctness of the simulation method, measure and compute the SPL of the receiving point as the wind speed of the wind tunnel test reach to 100km/h, and compare it with the spectrogram obtained from computing simulation.
trial simulation trial simulation trial simulation trial simulation point 8 point 7 point 6 point 5 trial simulation trial simulation trial simulation trial simulation point 12 point 11 point 10 point 9 Fig. 4 Comparison chart of the monitoring points prototype of the rearview mirror experiment and simulated frequency spectrum It can be seen from the above figure that the experimental and simulated noise values are approximate, thus the simulation method is proved to be correct.
Large-eddy simulation is applicable to the numerical simulation of wind noise. 3. the flow line flowed through rearview mirror 1 is more disordered than that of the mirror 2, and the rear noise of the mirror 1 is higher than that of the mirror 2.