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Through CFD simulation experiment, the optimal structure of inner and outer tube differential pressure flowmeter prototype.Through the analysis of the experimental data, comparison of the classical theoretical models found high Chishlom prediction model error is minimum.Moisture the modified model, the relative error of measurement is better than in the range of experiment 5%.
CFD numerical simulation Computational fluid dynamics is based on the classical fluid mechanics and numerical calculation method,numerical simulation and image display, numerical solution of the flow field, so as to achieve the purpose of physical problems.1 road, 2road, 3road and 4 road differential pressure are correspond with 5 and 6, 7 and 8, 6 and 8 also 5 and 7.
Because the data cloud is more, give four kinds of throttling ratio speed of simulation results 1m/s[7,8].
Differential pressure flowmeter moisture experiment under the condition of low pressure pipe The inner and outer tube differential pressure flowmeter for moisture measurement, based on the four differential data analysis, and the results agree with CFD simulation.For existing moisture classical model, Chishlomoverreading model to predict the overall error is small, so the theoretical model on the basis of Chishlom research and correction, to get high precision moisture theoretical model.The actual situation inside and outside the tube differential pressure flow meter installed in the pipe shown in Fig. 6, the experimental data acquisition platform as shown in Fig. 7.
Flow Measurement Guidance Note No. 20 – CFD Tehniques Applied to Differential Pressure Flowmeter Performance, 1999.

Analysis results of computational fluid dynamics, CFD simulation of the temperatures are close to the measured data.
The temperature variation for a typical day is simulated using the computational fluid dynamic, CFD the simulated data are compared with the measure results.
Fig. 2 shows the CFD simulated distribution of the interior air current and temperature.
Distribution of Temperature Measured at 16 Evenly Spaced Points across the Room Simulation of Roof Covering Vegetation The influence of a medium layer with vegetation coverage on the heat transfer and its insulation efficiency is simulated using computer simulation before the vegetation is actually planted.
The CFD simulation yields results similar to laboratory data that demonstrate the practicality of the CFD simulation for conducting future studies.

The plan and the points of measure CFD Simulation.
Computational Fuild Dydamics Simulation (CFD) was done in the same unit room as the field measurements.
Table 3 is the boundary condition of the CFD simulation.
Fig. 9 shows the comparison between the field measurements and the CFD simulations.
(b) According to the results of CFD simulation, the temperature was higher in the upper part of the room than in the lower part.

Investigation of Syngas Combustion at Variable Methane Composition in Can Combustor Using CFD Norhaslina Mat Zian1,a, Hasril Hasini1,b and Nur Irmawati Om1,c 1Centre for Advanced Computational Engineering, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000 Kajang, Selangor ahaslinamzian@gmail.com, bhasril@uniten.edu.my, cIrmawati@uniten.edu.my Keywords: syngas, CFD, can combustor, combustion Abstract.
This paper describes the analysis of the fundamental effect of synthetic gas combustion in a can-type combustor using Computational Fluid Dynamic(CFD).
In this paper, syngas combustion in full scale can combustor is numerically investigated using commercial CFD code, FLUENT.
Combustor Model Description In this paper, a can-type combustor is used for the CFD model.
Using species transport model, the steady turbulent flow equation are according to the generalized continuity, energy and momentum equation in CFD.

From the CFD’s final result, 3 blades with angle 300 was the best combination among the parameters involved.
Next, all of the 3D solid modeling can be exported to the CFD analysis software for the next tasks.
For this particular case the value of iteration used for the simulation was 100.
Examples of images of meshing on the related blades (a) CFD image on 3 blades (b) CFD image on 4 blades (d) CFD image on 6 blades (c) CFD image on 5 blades Fig. 4.
Examples of CFD analysis images for few numbers of blades and blade’s angles Fig. 4, shows images of the CFD’s results based on the related parameters which have been set earlier.

Numerical Simulation Purpose.
CFD Codes.
Geometry and Simulation.
Fig.3 Perspective of CFD model Fig.2.
The number of uniform structured grids for the three-dimensional simulation is around 10, 000,000.

CFD Simulation of Volute of Variable Geometry Turbocharger Jie Lei1,a, Yansong Wang2,band Hongjuan Ren3,c Shanghai University of Engineering Science, Shanghai, 201600, China aleisurewu@126.com, bjzwbt@163.com, cren-hongjuan@163.com Keywords: Variable Geometry Turbocharger; Flow Field; Finite Volume Method; CFD Abstract.
The 3D viscous compressible flow in the model of volute and the vanes is simulated by CFD using FVM (Finite Volume Method).
And taking some VGT as an example, the simulation is carried out.

A Microscopic Numerical Simulation of Carbon Dissolution in Different Coke Shapes in the Dripping Zone of Blast Furnace Jennarong Tungtrongpairoj* Department of Materials and Production Technology Engineering, Faculty of Engineering, King Mongkut’s University of Technology North Bangkok, 1518, Pracharat 1 Road, Wongsawang, Bangsue, Bangkok, 10800, Thailand jennarong.t@eng.kmutnb.ac.th Keywords: carbon dissolution, liquid droplets, dripping zone, CFD method Abstract.
A simulation model of the gas-solid flow in a 120 m3-oxygen blast furnace by using a DEM-CFD coupling module[2] applied the DEM and CFD to set many particles in a granular system, and the additional effect of the void fraction on the gas phase, respectively.
At the begining of the relative simulation time (t/ts) at 0.33, the hot metal and slag droplets started to drop and flow down from the inlet zone to the coke bed.
DEM-CFD Modelling of the Ironmaking Blast Furnace; CPI-Wöhrmann Print Service: Zutphen, the Netherlands, 2014
[10] Information on https://www.comsol.com/cfd-module#multiphysics-models

Simulation domain.
Simulation grids.
Simulation results of series speeds.
Hino: 2005 Proceedings of CFD Workshop, NMRI report (Tokyo, Japan, 2005)
Yu: Research on Calculation and Prediction for Ship Resistance Based on CFD Theory (MS., Shanghai Jiao Tong University, China 2009).

CFD simulation has been verified using available experimental results.
However, the application of CFD models is on a case by case basis.
There is no universal CFD model that can be used in all the different cases [13].
Simulations of a ship’s propeller wash.
CFD calculation and experimental validation of a Kamewa high-skew marine propeller.