Study of shock wave boundary layer interaction using modal decomposition

Chaganti, Narendra S and Brooker, Brian T and Olcmen, Semih M and Kolhe, Pankaj (2018) Study of shock wave boundary layer interaction using modal decomposition. In: 2018 AIAA Aerospace Sciences Meeting, 8–12 January 2018, Kissimmee, Florida.

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Snapshot Proper Orthogonal Decomposition (SPOD) and Dynamic Mode Decomposition (DMD) have been used to study the flow features of oblique S hockwave Boundary Layer Interaction ( SWBLI). Ra inbow Schlieren Deflectometry (RSD) has been used to capture the flow data at 30,000 frames per second. The experimental setup produces a free stream flow of Mach 3.1. A 12° isosceles triangular prism attached to the roof of the test section generates the required oblique shock in the test section. The RSD pictures were used for data analysis to determine the transverse ray deflections at each pixel of the pictures. The analysis focuses on obtaining dominant flow regions in the flow and the corresponding mo des at which they occur. This modal information is used to comment on the unsteadiness associated with the flow

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Item Type: Conference or Workshop Item (Paper)
Subjects: Others > Metallurgy Metallurgical Engineering
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Team Library
Date Deposited: 16 Jan 2018 10:46
Last Modified: 08 Mar 2022 11:11
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