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Numerical Simulations In total 3 designs of the air fin where used to perform 2D numerical simulation using the commercial software Autodesk Simulation CFD 360.
Fig 4 Simulation domain: a) no straight section; b) 2.5 [mm] straight section; c) 7.5 straight section Fig 4 shows the domain boundary conditions used.
Data given by the simulation software isn’t in a form that permits us to extract directly the convection coefficient and the friction coefficient.
Here the problem arises from the fact that the simulations are 2D and not 3D.
Nagi, “Numerical Study of Corrugation Amplitude Influence of a Wavy Fin in Overall Performance of a Compact Heat Exchanger,” in ACME 2014, (2014) [9] Autodesk Simulation CFD 2014, “Help: SST K-Omega Turbulence Models.”

Simulation of Corrected Mass Flow and Non-Adiabatic Efficiency on a Turbocharger Ibthisham A.
Holset H3B nozzles turbine geometry was used as the simulation model.
Simulation from Case 2 predicts the heat loss approximately 68.7% on average.
Sies, Numerical Simulation of Confined Vortex Flow Using a Modified k-epsilon Turbulence Model.
CFD Letters, 2009. 1(2): p. 87-94

In order to investigate the pressure distribution in the air gap, the CFD software, FLUENT, was employed to simulate the operation of the porous aerostatic conveyor bearing during the feeding process.
The CFD software, FLUENT, was used to simulate the operation of the conveyor bearing and analyzed its load capacity.
For the purpose of numerical simulation, the flow field was simplified by the following assumptions: (1).
Simulation model and techniques In this study, the New Way S22100C750 transition zone air bar was analyzed.

Yang Institute of Hydraulic Engineering ,Xi’an University of Technology,Xi’an, China wei_wenli@126.com Keywords: characteristics; CFD simulation; Water drop falling Abstract: In this paper, a numerical two-phase flow model combining with the Realizable k–ε turbulent model for compressible viscous fluid is presented for the computation of water drop falling characteristics; and the equations are solved with the finite volume method.
The results of this simulation are presented in Figs.3.

But their results are without the simulation of air core.
The numerical solutions were carried out using commercial CFD code FLUENT 6.1.
The simulation was realized using a large eddy simulation (LES) for turbulent modeling and discrete phase model (DPM) for particle trahectories calculation.
This study drop 1470 particles at inlet at simulation time 1.9 s.
Fig. 2 shows the particle movement simulation from 1.98 s to 2.50 s.

Physical model, equations and methodology A commercial CFD package was utilized to calculate airflow and concentration fields.
In order to testify controlling effect of air curtain on contaminants, a laboratory model was built as same as in simulation.
CFD model Particles’ concentration was tested by a METONE 2400 laser particle counter, which could measure particles of Diameter in 0.3 μm, 0.5 μm, 1.0 μm, 3.0 μm, 5.0 μm and 10.0 μm simultaneously.
The location of burning Zang incense located as same as in simulation.
Numerical simulation and analysis of the air curtain for preventing smoke in subway station fire.

The program includes the CNC modeling and simulation of the cutting process dynamics in intensive HSC processing conditions.
For CFD (Computational Fluid Dynamics) analysis, we can mention software like: Fluent, Ansys CFX, StarCD and for dynamical structural simulation we can mention software like, Abaqus, Ansys Structural [2].
Stress calculation module and dynamic virtual simulation of bladed part.
The software is linking directly with the CFD modules.
Module for simulation of dynamical behavior of machine tools in cutting process.

This paper presents numerical simulations on two assembly modification methods for one annular casing.
Fig. 1 Original pump Fig. 2 Flow passage of the original pump Fig. 3 Schematic for casings of method one Fig. 4 Schematic for casing of method two CFD Simulation Mesh Details.
Simulation Settings.
Simulation settings are listed in Table 1.
Fig. 6 shows efficiency comparison between experimental results (given by some factory) and simulation results, which proved that these simulations could provide reasonable prediction for hydraulic performance.

The size of this simulation area is 200 mm × 30 mm, as shown in Fig. 2.
The simulation area is divided by the software Gambit.
The Computational Fluent Dynamics (CFD) software Fluent is used to set the boundary conditions.
The standard k-ε model is used in the simulation.
After 5954 iterations, the simulation converges.

These profiles are adopted as inlet profiles in Computational Fluid Dynamics (CFD) calculation[5].
The characteristics of velocity distribution of simulation from CFD match well with that of wind-drifted snow distribution got from the outdoor test in Haerbin.
Results of model simulations.
-A., NUMERICAL MODELLING AND SIMULATION OF SNOW DRIFT.