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Detailed customer case description of the full engine simulation for the re-design of a KJ66 micro gas turbine.
"A good mesh is one of the fundamentals to run the CFD analysis successfully. NUMECA's AutoMesh™ significantly reduced our meshing time and improved the mesh quality resulting in better CFD simulations." OPRA Turbines International BV
Meshing is always a compromise between computational efficiency and the needed accuracy. We need the smallest possible mesh to capture the effects that we consider as the most important in our simulations.
Turbochargers are currently ubiquitous in automobiles. It is nearly impossible to find a new Diesel vehicle without turbocharging and direct injection. Gasoline cars have been also following suit for the past few years. Regulations are pushing for lower emissions and the way to achieve this has been downsizing and using turbocharging to offset the lower power density of a smaller motor.
The goal of turbomachinery CFD simulations is to predict flow behavior in adjacent rotating and non-rotating blade rows. The link between these rotating and stationary frames of reference is called the Rotor-Stator interface.