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The investigations of this study were undertaken though a set of experiment and the computational fluid dynamics (CFD) simulation; particularly the latter approach can draw a clear perspective on the flow behavior than observing from the experiment alone.
In addition to the CFD simulation, the static and dynamic pressures including flow direction were read for each test.
The experiment and CFD simulation were designed with regard to the full-factorial scheme, such that the total number of tests was 12 conditions.
The color and vector shown in the CFD simulation results represents the dynamic pressure and flow direction, respectively.
(a) (b) (c)(d) Fig. 4 Experiments and CFD simulations on dynamic pressure for the impact angle of 90 degrees and obstacle thickness of: (a,c) 1 mm and (b,d) 3 mm (a) (b) (c)(d) Fig. 5 Experiments and CFD simulations on dynamic pressure for the impact angle of 22.5 degrees and obstacle thicknesses of: (a,c) 1 mm and (b,d) 3 mm Conclusions The water jet impingement either in normal or oblique fashion can be seen in cleaning and cooling processes.

Numerical simulation method for aero-acoustics based on acoustics analogy shows some promise to CAA.
As a result of [13], the FW-H solver can now be integrated in the CFD solver and works in a parallel computing environment to provide a far field acoustic pressure prediction in line with the CFD near field prediction.
According to reference[17], the time-step (Dt) of 2×10-6 s was used for the transient simulation.
D., Simulation of supersonic cavity flow using 3D RANS equations, AIAA paper 2004-4966
Koutsavdis, A versatile implementation of acoustic analogy based noise prediction method in a general-purpose CFD, AIAA paper, 2003-3202.

Thermal Management of Electronic Components by Using Computational Fluid Dynamic (CFD) Software, FLUENTTM in Several Material Applications (Epoxy, Composite Material & Nano-silver) M.
The strength of CFD software in handling heat transfer problems is proved to be excellent.
In the simulation model, the arrangement of the packages begins with the PLCC 1 located in front of motherboard followed by 2, 3 and 4.
Seetharamu, Application of CFD in Cooling Electronic Packages, The Seventh Asian Congress of Fluid Mechanics, pp 777-780, December 1997
Kuat, CFD application in Electronics System Cooling, Final Year Project, School of Mechanical Engineering, Universiti Sains Malaysia, 1998

Analysis on Tow-phase Flow of WJ-4FB Explosion-proof Scraper Waste Gas Treatment Tank Based on CFD Wei Zhang, Wenming Zhang, Miaomiao Guo School of Mechanical Engineering, University of Science and Technology Beijing, China ustb_dzw@126.com Keywords: Waste Gas Treatment Tank; Gas-liquid Two-phase Flow Analysis; CFD Abstract.
And establish the gas-liquid two-phase flow simplified model based on CFD.
Through the numerical simulation of the gas-liquid two-phase flow transient flow pattern, draw two-phase flow figures and gas content distribution curve .Further analysis of the gas-liquid two-phase flow, this paper obtains initial gas velocity, static level, internal mounting member and other influencing factors.
As shown in fig. 7 five speed air content have an intersection point, approximately between 0.55-0.57 range, y = 320 mm in the simulation system, this is the gas-liquid mixed flow under a state of equilibrium liquid level position.
[7] Ngy Srun AP.A Simple Engine Cooling System Simulation Model[C].SAE 1999-01-0237.

Blast simulation CFD was a traditional tool in the aerospace industry focusing on the problems of supersonic and hypersonic flight, but it has the same basic equations of motion and is applicable to simulate blast modelling problems.
However, only recently, with the enhancement of CFD techniques, of numerical methods and faster solver algorithms; and the tremendous development of computer technology, CFD was applied into blast simulation to investigate the problems of blast wave propagation and its interaction with structures [7].
CFD modelling was performed in code Air3D which was designed particularly for blast wave simulation and has been validated against a number of experiments.
The simulation of blast load of 1kg, 2kg, 3kg and 10 kg were performed to get a range of blast profiles.
After simulation the pressure time history has been recorded for each and every Explosive.

Dynamic filtration with rotating disks is modeled by three-dimensional graphics software and its flow field is analyzed and numerical simulated by CFD software.
Simulation results are consistent to the practice, which provides important theoretical basis for improving and optimization of dynamic filtration with rotating disks.
By the using of CFD software, the geometric model of dynamic filtration with rotating disks is meshed.
By the using of CFD software parametric solver flexibly, the flow field velocity distribution of dynamic filtration with rotating disks for w=0.25, w=2, and w=4rad/s are obtained.
[2]Xu Zhou, He Gao-hong, Luhui Ding, CFD Simulation of Dynamic Filtration System with Rotating Disk, Dalian university of technology，Master thesis，2009

Wind field of terrain liking bell where the river flows from canyon to the open field have been simulated by CFD.
Wind field of terrain liking bell where the river flows from canyon to the open field have been simulated by CFD.
Figure 6 simulation of the terrain by CFD Figure 6 is the CFD simulation of the topography around the observation.
Adding the proper boundary condition, incoming wind profile, the CFD can numerically model the wind circumstance near the bridge.
The CFD technique may be developed to explain some phenomena instead of wind tunnel test on the condition of happened difficulties.

The main objective of the present CFD study is to find a new way to reduce the high drag of grid fins and make it easier to fold against the missile body which is usually ogive cylinder.
The CFD study starts with the same numerical method and mesh quality thus the difference of CFD results between the baseline and circular-arc models mainly comes from the difference of their different configurations. 2 Numerical Approach 2.1 Grid fin configuration The model investigated in a recent wind tunnel test is selected as the baseline.
Spalart-Allmaras one-equation turbulent model was used for simulations. 3 Results and discussions 3.1 Validation for baseline model In order to validate the present numerical approach, the computed lift and drag coefficients of the present CFD study at M=1.5 are compared with experimental data as shown in Fig. 3.
Viscous computational fluid dynamic (CFD) simulations were performed to investigate flows over single grid fins and an body-fin configurations in transonic and supersonic flow regions in the range of 0.6-4.0, at 6° angle of attack.
The present simulations show that drag force coefficient can be reduced by using the circular-arc grid fin.

CFD Modeling of an Entrained Flow Gasifier Xiaoyan Gao1, a, Yaning Zhang1, b *, Bingxi Li1, c * and Lu Dong1, d 1School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China a12B902008@hit.edu.cn, b*hitzhangyaning@gmail.com, c*libx@hit.edu.cn, d282516549@qq.com Keywords: CFD model; entrained flow gasifier; Fluent; sawdust Abstract.
A 2 D CFD model was established to simulate sawdust gasification in an entrained flow gasifier using Ansys Fluent software.
Appropriate modeling and simulation can obtain various parameters for complicated processes and systems with high accuracies, and is helpful for optimizing the designs and operations, thereby saving manpower, time and financial costs greatly [2-3].
On the whole, the simulation results were in agreement with the experiment results.

Lance flow CFD models are used to determine mass transfer coefficients for typical lance applications.
The results are later used in fast process simulation models.
With CFD (Computational Fluid Dynamics) simulations these parameters can be determined without measurements.
Model Description Simulations are done with ANSYS Fluent software, using finite volume method with compressible flow formulation.
Fabritius: CFD Modeling of a Super-Sonic Top Blown Lance - Development of New Gas Heat and Mass Transfer Correlation.