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Please add this setup about Initialization, right click on Flow Analysis > Insert > Global Initialization then double click on Global Initialization and modify as it appears in the image below.
Remember that the air has 23 % oxygen, for this reason, O2 = 0.23, CO2 = 0.0 and H2O = 0.0, the initial temperature is 300 °K and the air velocity is 1 m/s.
In this tutorial you will learn to simulate Multi-Species (Smokestack) in 2D using ANSYS CFX. You can download the mesh from this link.
OpenFOAM vs ANSYS CFX
OpenFOAM is the free, open source CFD software developed primarily by OpenCFD Ltd since 2004. It has a large user base across most areas of engineering and science, from both commercial and academic organisations.
BladeGen + Turbogrid + Ansys CFX – Centrifugal Pump
A centrifugal pump is a mechanical device designed to move a fluid by means of the transfer of rotational energy from one or more driven rotors, called impellers.
FWe share a tutorial about Multiphase flow using ANSYS Fluent.
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OpenFOAM Tutorial | Airfoil 2D
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