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Aiming at the inner flowing characteristics of round tube, the different transient cases of tube with rotating wall boundary are analyzed by CFD, and the six cases are determined according to the different rotating speed respectively.
The fluid velocity and its heat transfer from the wall are studied by CFD to deeply uncover such tubes flow characteristics.
CFD Calculation and Analysis CFD analysis is available by ANSYS software, and the tubes are modeled.
In this paper, the inner flowing characteristics of tube with rotating wall are analyzed by CFD.
FLUENT-Example and Application of Fluid Engineering Simulation, first ed., Beijing Institute of Technology Press, Beijing, 2005.

This research used CFD to develop the clay brick kiln firing process.
The clay brick kiln simulation was developed using GAMBIT and ANSYS FLUENT.
Dimension and experimental design of eight-simulation model.
Temperature profiles for conventional model (model 1) and two other optimized developed models at simulation time of a) 1000s, b) 2000s and c) 4000s.
Conclusions This study showed that CFD can be used to simulate clay brick kiln firing.

Model and Numerical Simulation The Atomization Conditions of the Droplet.
Using CFD method to simulation the flow field derived from the process that component A and component B mix by impinging each other in the spraying gun under different pressure for the inlet hole .A two dimension model is built by using Gambit software, mixer model and the grid division are shown in the Fig.2.
Summary Using CFD to simulate the flow field of impinging jet mixer in polyurea spraying gun,discussing the process of the spraying and jointing of the mixer after studying the profile of velocity and pressure.
(Nature Science Edition). 2006, 34 (9): 72-74 [4] Qu Yixin, Che Yaokun: Simulation of veloeity distributing for imPinging stream[J].
Computers and Applied Chemistry, 2003,20(4):423-426 [5] Li Weifeng, Sun Zhigang, Liu Haifeng: Numerical simulation and experimental study on flow field of two closely spaced opposed jets[J].

This paper presents numerical simulation of the vortex flow field with anisotropy turbulence in cyclone dust collector using modified K-ε model and IMPLE algorithm.
References [1] Hou zhiqiang et al., CFD analysis on air flow field in ordinary cyclone, Journal of mining machinery. 38:15 (2010) 106-109
[4] Chen Yanbai et al., Numerical simulation of three-dimensional flow field in cyclone separators, Applied Energy Technology, 173 (2012) 46-50
[5] Zhang Bo, Wen Jianjun, Simulation and analysis on flow field of cyclone separator, Computer Aided Engineering, 20:2 (2011) 100-103
[6] Hou Xiaohong, Chen Wenyi, Numerical analysis of flow field in a cyclone dust separator based on DPM-CFD, Journal of mining machinery, 40:6 (2012) 93-97.

Research of flow coefficient of new throttling/sealing valve based on CFD Yabin Jin1, a Sanping Zhou 2,b Hong Zhang3,c Rui Yang 4,d 1,2Institute of Mechanical Engineering, Xi’an Shiyou University, Xi’an 710065, P.R.
Numerical simulation was performed on the flow coefficient of the valve by using FLUENT, software of computational fluid mechanics and by the standard model.
At present, in scientific research computational fluid dynamics (CFD) software is an important means to numerically simulate the fluid flow [5].
Results of Numerical Simulation and Research Calculation of Flow Coefficient and Resistance Coefficient.
Summary Conclusions can be reached through numerical simulation analyses on the new throttling/sealing valve by adopting the FLUENT software

amshaiful@unimap.edu.my, bmohdamirulamin@gmail.com, cnazri@fkm.utm.my, dnorwazan@upnm.edu.my, emaelazmi@gmail.com Keywords: Combustion, Computational Fluid Dynamics (CFD), Envo-Diesel, CO2 emissions.
This study is to perform a detailed simulation of combustion and thermal flow behaviors inside the combustor.
The simulations are conducted using the commercial Computational Fluid Dynamics (CFD) package software to determine the spray flames and combustion characteristics of commercial diesel fuel, envo-E5 and envo-E10.
The CFD, Fluent computer code is used to model a 3D steady-state simulation of physical domain which is considered axisymmetric due to axial symmetry of the system.
For spray flame simulation, the results emphasize on diameter and temperature of the fuel droplets.

Their Quasi 2-D CFD Code has been discussed below.
The code was made for simulation of a disc with 10 mm outer diameter, 6 mm inner diameter and rotating at 200,000 rpm.
Geometric design of the WDE generated by Quasi 2-D CFD Code [1].
Janusz Piechna Model [12] Piechna’s calculation was based on simulation based on MEMS model.
[17] Pohořelský L., Macek J., Polašek M., Vítek, O., 2004, “Simulation of a COMPREX Pressure Exchanger in a 1-D Code.”

By means of FLUENT, the general software of CFD, the swirling airflow field from different airflow head is simulated.
The simulation results are shown by the flow line graphs, tangential velocity, radial distribution graphs, etc.
The Numerica Silmulation of Airflow From Different Swirling Airflow Head With the development of the technology, the fluid can be simulated by FLUENT which is a general software of CFD[6].
Numerical simulation of airflow field can avoid blindness of experimental research and improve foresight of practical application.
Numerical simulation is done for different airflow field by FLUENT[7].

Numerical Study of a Flap Rudder Based on Turbulence Model LES Shuguang Wu1, Hean Liu2,a* 1Modern Education Technology Center, Hunan University of Technology, China 2Hunan City University, China a liuheanlaoshi@sina.com * Corresponding author: Hean Liu (liuheanlaoshi@sina.com) Keywords: Flap rudder, CFD, LES, Vorticity Abstract.
The flap rudder flow field at Re 1.4×106 is calculated using computational fluid dynamics (CFD) method.
Large eddy simulation (LES) turbulence model is adopted.
Sunho Park[4] carried out simulations performed for various devices aimed at controlling the gap flow in two-dimensional and three-dimensional domains using the Reynolds-averaged Navier–Stokes equations.
In order to study flow mechanism and boundary layer separation more clearly, the large eddy simulation turbulence model was used.

Numerical simulation of multi-layer rectangle micro-channel heat sink for single-phase flow and heat transfer Lifeng Wang1,a, Baodong Shao1,b, Heming Cheng1,c and Ying He1,d 1Faculty of Civil and Architectural Engineering, Kunming University of Science and Technology, Kunming, People’s Republic of China awanglifeng0314@163.com, bshbd_1221@163.com, cchenghm650093@yahoo.com.cn, dscdx.heying@163.com Keywords: Multi-layer micro-channel heat sink; Heat transfer; Thermal resistance; Pressure drop; Numerical simulation Abstract.
During the simulation, Finite Volume Method (FVM) was used to solve Computational Fluid Dynamics (CFD) problem.
Lauren Boteler et al. [2] used CFD models to identify the impact of varying both the manifold and microchannel fin and channel dimensions, and demonstrated both large velocity gradients between microchannels, as well as fluidic swirling in the microchannels that significantly improved the heat transfer coefficient.
Numerical solution and discussion The numerical simulation is used to verify the cooling performance of optimal micro-channel cooling heat sink by using electronics cooling software that has been previously used in analyzing the heat transfer character in electronics and chip cooling applications, which uses Finite Volume Method (FVM) to solve Computational Fluid Dynamics (CFD) problem.
Compare with the analysis results, the relative error is 7.3858 percent, which shows the numerical simulation agree well with the analysis results.