Statistical analysis of high-speed jet flows

Conference paper

Gryazev, V., Riabov, V., Markesteijn, A. P., Naghibi, E., Armani, U., Toropov, V. and Karabasov, S. A. 2022. Statistical analysis of high-speed jet flows. AIAA Aviation 2022 Forum. Chicago, IL; USA 27 Jun - 01 Jul 2022 American Institute of Aeronautics and Astronautics (AIAA). https://doi.org/10.2514/6.2022-3977
AuthorsGryazev, V., Riabov, V., Markesteijn, A. P., Naghibi, E., Armani, U., Toropov, V. and Karabasov, S. A.
TypeConference paper
Abstract

The spatiotemporal dynamics of pressure fluctuations of a turbulent jet flow is examined from the viewpoints of symbolic permutations theory and Kolmogorov-Smirnov statistics. The methods are applied to unveil hidden structures in the near-field of the two jets corresponding to the NASA SHJAR SP3 and SP7 experiments. Large Eddy Simulations (LES) are performed using the high-resolution Compact Accurately Boundary-Adjusting high-REsolution Technique (CABARET) accelerated on Graphics Processing Units (GPUs). It is demonstrated that the decomposition of the LES pressure solutions into symbolic patterns of simpler temporal structure reveals the existence of some orderly structures in the jet flows. To separate the non-linear dynamics of the revealed structures from the linear part, the results based on the pressure signals obtained from LES are compared with the surrogate dataset constructed from the original data.

Year2022
ConferenceAIAA Aviation 2022 Forum
PublisherAmerican Institute of Aeronautics and Astronautics (AIAA)
Accepted author manuscript
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Anyone
Publication dates
Online20 Jun 2022
Print27 Jun 2022
Publication process dates
Accepted25 Feb 2022
Deposited16 Jun 2023
Book titleAIAA AVIATION 2022 Forum
ISBN9781624106354
Digital Object Identifier (DOI)https://doi.org/10.2514/6.2022-3977
Web address (URL) of conference proceedingshttps://arc.aiaa.org/doi/10.2514/MAVIAT22
Copyright holder© 2022, The Author(s)
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