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The study has carried out in computational fluid dynamics (CFD) simulation and experiment method.
They made the comparison between CFD simulations and experimental data and showed that established 3-D CFD model had very good prediction ability.
Based on CFD simulation results, some optional configuration parameters for flat-tube louver fin were proposed.
MCHX performance has been analyzed with CFD simulation method under commonly used residential air conditioner condenser condition.
Mazaher Ashtiani, Simulation and CFD Analysis of heat pipe heat exchanger using Fluent to increase of the thermal efficiency

CFD and mathematical modeling software were used to help our designing.
According to the result of CFD, the design meets the intake requirements of the engine.
Our group has used the ICEM CFD and Fluent in the Ansys13.0 for CFD simulation of inlet flow field.
Summary In our study, by simplifying the inlet structure of the original electromagnetic valve actuator, applying the optimized CFD simulation inlet design and using mathematical modeling software to write electronic control procedures, we design an electromagnetic valve actuator applicable to the scavenging two-stroke engine.
I n the test, the air pressure sensor and the pressure sensor will be applied to measure the intake efficiency of the valve and the seating impact force, which will be used to help improve the design of electromagnetic valve actuator and verify the accuracy of the CFD simulation.

We also performed numerical experiments using commercial CFD software FLUENT 6.3 based on conditions of experiment.
We also performed numerical experiments using commercial CFD software FLUENT 6.3 under the experimental conditions.
Table 1 Experimental data of air flow rate and the weight of outflow water No. 1 2 3 4 5 6 7 8 Air flow rate (m3/h) 0.40 0.44 0.48 0.52 0.56 0.60 0.64 0.68 Water weight (kg) 12.2 15.4 18.2 21.9 25.0 29.3 32.5 37.2 CFD Simulation The artificial upwelling seawater depth was about 200m, so further studies have to determine the upwelling efficiency under the condition that the length of the upwelling-pipe is about 200m.
Eight sets of simulation results based on the different inlet air flow rates (Table 1) were obtained.
Much more factors, such as the compressibility of air bubbles and the salinity of sea water, would be considered during the CFD simulation.

The simulation results showed good agreement with the results of tank test.
At present, one keypoint of open-water propeller research based on CFD is to improve predicting precision of viscous flow[1].
The simulation results showed good agreement with tank test for most quadrants.
[3] ]FENG XUE-MEI, CHEN FENG-MING, CAI RONG-QUAN: Calculation of propeller open water performance by CFD software FLUENT.
Vol.22(2008), p. 15-20 [7] WANG CHAO, HUANG SHENG, XIE XUE CAN: Hydrodynamic performance prediction of some propeller based on CFD.

SIMULATION STUDY ON THE PERFORMANCE OF VERTICAL AXIS WIND TURBINE N.A.Samiran 1, a *, A.
CFD simulation was conducted to analyze the flow characteristic and calculate the torque coefficient of all the rotor configurations.
The result obtained will be compared with the simulation result forvalidation purpose.
Result and Discussion For the first step of this study, validating the CFD simulation result with the previous experimental data is a must to ensure the method used is undoubted in terms of authenticity and reliable for further optimization step.
Summary · The results obtained by performing CFD simulation method from both steady and transient cases were compared with the experimental data from previous study

The aerodynamic characteristics of the spherical aircraft, including the lift and the anti-torque and the generated torque of the flow deflectors under the propeller’s down airflow, are studied in depth by means of CFD numerical simulation method.
Thirdly the aerodynamic characteristics of the aircraft was simulated and studied in CFD soft, and the results obtained through simulation were analyzed and compared with the theoretical values.
It was obvious that the results of the theoretical and simulated values was very approximate, which verified the accuracy of the CFD numerical calculation.
Conclusion Through the theoretical modeling and numerical calculation of the aircraft’s aerodynamic characteristics above, the following conclusions can be drawn: 1) The structure design of a single propeller spherical aircraft is reasonable. 2) There is a good consistency between CFD numerical simulation method and theoretical calculations, which indicates the reasonableness of the CFD numerical calculation method.
So the CFD method can be used to estimate the lift and torque of propellers, and to provide data to support the design and production of aircrafts. 3) The theoretical modeling of the spherical aircraft in this paper is correct.

Our simulation results show that the dangerous distance from the pneumatic drill hole is 3.5m.
The Construction of CFD Model Fig. 1 a illustrates the geometry of the CFD model.
Simulation conditions are given in Table 1.
The CFD simulation results show that the dangerous distance from the pneumatic drill hole is 3.5m.
CFD simulations of dust dispersion in the 20 L vessel: Effect of nominal dust concentration.

Key words: Inkjet; CFD; Equipment; Hydrokinetics Abstract.
According to the analysis of theoretical calculation and CFD, we designed a new type of equipment for supplying ink, including the structure of the transition pipe.
The computer simulation of the ink flowing in the pressure automatic adjustment equipment The software and mathematical model of the computer simulation.
In the FLUENT software, as long as given with the physical properties of the fluid simulation, mathematical models, algorithms and the corresponding initial conditions, the simulation software would simulate the flow patterns of the fluid, furthermore, the numerical results were calculated and shown by the graphical visualization [6, 7].
Figure 1 The structural design of the supplying ink equipment The computer simulation results.

The paper presents the numerical analysis of erosive wear on the guide vanes of a Francis turbine using CFD code.
The flow mechanism of sandy water in the turbine was analyzed through numerical simulation of flow in the turbine in several different sand water concentrations.
Unsteady numerical simulations, based on the two-phase homogeneous model, are performed together with wall pressure measurements and flow visualizations.
OpenFOAM is an object-oriented C++ library of classes and routines of use for writing CFD codes.
It has a set of basic features similar to any commercial CFD solver, such as turbulence models and discretization schemes.

By the CFD(computational fluid dynamics) simulation, firstly, the pressure distributions of the flapper face and the fore end face of the nozzle are obtained.
T. [3] did some simulation research on hydraulic bridge of water hydraulic valve by CFD software, and got some results on the flow force of the flapper different from the present paper.
Software Simulation of the Hydraulic Bridge Based on the formula deductions above, the simulation model is therefore established to compute simplified hydraulic bridge.
Fig. 3 Simulation model of the hydraulic bridge Fig. 4 shows the relationship between flapper displacement and differential pressure of spool ends which is implied in Eq. 9 and simulation data points obtained by CFD software.
These data points are obtained by software simulation and the curve is plotted by data fitting.