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LES (Large Eddy Simulation) model is derived and applied to the transonic-type COIL nozzle flow. This type of model appears to be good enough to obtain fine spatial/temporal resolution of the most energy-containing 3D structures. All non-linear chemical effects are reflected much more detailed than in highly-symmetrical RANS models.
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A. Savin, S. Druzhinin, D. Vasiliev, "3D simulation of COIL nozzle flow," Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63462C (26 April 2007); https://doi.org/10.1117/12.740332