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Introduction CFD (computational fluid dynamics) is one of the effective numerical simulation methods in hydrodynamic studies.
In recent years, CFD is increasingly used in mechanical design and fluid flow analysis, and become an important design and calculation method.
In this paper, the design method of diagonal flow fans is investigated by CFD, and the characteristics of flow field of the diagonal flow fan is summarized based on the results of numerical simulation, to improve the diagonal flow fan’s flow field and guide the optimal design.
Simulation Setup Outer diameter of the diagonal flow fan is 300mm.
In the a-type fan models, the angle of inlet guide blade are set to 15° and 28°.According to the simulation results, the diffuser and the fan performance curves can be drawn as Fig.6 and Fig.7.

The purpose is to validate TRIP3.0 for the simulation of transport configurations.
Numeric Simulation of Trapezoidal High Lift Wing The second configuration of AROF-1 is trapezoidal high-lift wing models, which is one of the most common test cases for CFD software.
Numeric Simulation of Trap-Wing with Full-Span Flap.
Numeric Simulation of Trap-Wing with Part-Span Flap.
Validation of TRIP2.0: Numerical Simulation of DPWII Complex Configuration.

The experimental data of pressure drop agree with the theoretical predictions and CFD simulation results within 10%.
Method for CFD Simulations The numerical simulations of two fluid mixtures and of water flow in the Y-typed test sections were performed using commercial software (CFD-ACE+).
Comparisons of total pressure drop among the experimental, theoretical and CFD simulation results as a function of volume flow rate, (a) converging and (b) diverging microchannels
Fig. 2 illustrates comparisons of the total pressure drop for mixture flow with C = 0.75 mol/L among the experimental, theoretical and CFD simulation results as a function of volume flow rate.
These figures clearly show that the agreement among the experimental, theoretical and CFD simulation results is within 10%.

With the aid of 3-D CFD simulation, researchers have the means other than optical measurement to thoroughly understand the regularities of fuel-air mixture formation process.
CFD Grid Generation.
The CFD model was created and solved with AVL-FIRE v2008 CFD software package.
Fig. 11 CFD model with new piston head.
With the aid of 3-D CFD simulation, authors found out the possible problems of fuel/air mixing process and reasons of them.

The CFD simulation results shown that diffuser on rear body bus models able to improve the aerodynamic forces and wake structure are correspond with incresing diffuser angle.
Geometry set-up, domain simulation, boundary condition, and mesh of the bus model were shown in fig. 2.
The commercial CFD was used to perform the simulations.
Geometry set-up, domain simulation, boundary condition, and the mesh of bus model.
The following conclusion were obtained on the CFD investigation presented here: 1.

In this article, a certain bridge space was studied, time history curve for the room temperature was obtained by CFD simulation according to the hydrodynamic theory, and the data turned out to be reliable by being compared to the experimental outcomes.
In recent years, however, computational fluid dynamics (CFD) has shown great value as a tool to study smoke and fire movement.
Fig. 1 Geometric model for under-bridge fire simulation Parameters of the Fire Size.
Results and Validation Simulation Result.
However, at the early stage of fire, since the air ventilation and the ignition and growth of fire were considered in CFD simulation, while the experimental furnace can be rapidly heated to a predetermined rate of heat release state, hence, the numerical temperature was a little bit lower than the experimental one.

The study employs computational fluid dynamics (CFD) simulations to replicate the experimental setup and parameters used by Mustafa Moraveji et al.
Computational Fluid Dynamics (CFD) simulation using Ansys Fluent was performed to analyze the impact of these nanoparticles' properties on heat transfer.
The research will involve studying the flow of nanofluids through the 2D tube using CFD simulations and evaluating the heat transfer coefficients.
Computational fluid dynamics (CFD) is a numerical analysis process used to investigate fluid flow problems using computer simulations.
Agrawal, A computational analysis of heat transfer in solid and vented disc brakes: CFD simulation and thermal performance assessment.

Two CFD approaches: Reynolds averaged Navier-Stokes (RANS) and large-eddy simulation (LES) were used and compared with the previous experimental results of effective ventilation rate.
Numerical simulation details Calculation cases.
The CFD calculations were performed for three cases: Case-RANS, Case-LES and Case-LES-t.
In the present study, the CFD simulations were performed in a coupled way, i.e. the outdoor and the indoor (basement) flow fields were calculated simultaneously and within the same computational domain (cf.
Both the experiment and CFD simulations well predicted the decreased ventilation rate at the incidence angle of 67.5º (Fig. 4).

Through CFD numerical simulation, the flow field characteristics, flutter derivatives and critical flutter speed of origin and tuyere models are obtained.
Through CFD numerical simulation, the flow field characteristics, flutter derivatives and critical flutter speed of different models is obtained.
CFD Simulation To investigate a flutter stability control measure for a fabricated steel truss bridge, a typical cross-section is selected.
And its flutter stability is simulated with CFD method and CFD-ACE+ software technology platform.
Pure Vertical Bending Motion Simulation Results Analysis.

According to the CFD numerical simulation of hydraulic turbine internal flow and simulation calculation of vortex and cavitation of draft tube, and in the three dimensional modeling and analysis of the draft tube elbow is found that commonly modeling methods are tedious process, there is more deviations, not conducive to modify the part size and flow over a smooth.
Introduction The internal flow in draft tube of CFD numerical simulation, the degree of smoothing of the flow surface can not only greatly reduce the resistance of fluid motion, but also help to improve the accuracy of calculation, the more real and close to reality, to improve the simulation authenticity and accuracy, improve the calculation value[1].
With the rapid development of computational fluid dynamics (CFD), the research of pressure fluctuation on the draft tube has been more and more deeply in the domestic and foreign; the numerical simulation method is also increasing.
The projective modeling overcome the problems of the two traditional methods, and improve the precision of CFD numerical simulation and obtain higher accuracy requirements
(2) When CFD simulation, the modeling method proposed in this paper without significantly vortex with eccentric.