Input-output analysis of entropy layer instability on a 35o ogive geometry

Alexander N. Barrett, David A. Cook, John Thome, Joseph W Nichols, Graham V Candler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

Entropy layer instabilities are difficult to model. Modal stability analyses tend to not predict the existence of entropy layer instabilities, even though these instabilities have been seen in experimental data and direct numerical simulations. Through the use of input-output analysis, a method that performs a global frequency-response analysis, the existence of non-modal instabilities can be predicted and modeled. The examination of these non-modal instabilities indicate that the entropy layer factors into the location and amplitude of instability growth.

Original languageEnglish (US)
Title of host publicationAIAA Scitech 2019 Forum
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624105784
DOIs
StatePublished - Jan 1 2019
EventAIAA Scitech Forum, 2019 - San Diego, United States
Duration: Jan 7 2019Jan 11 2019

Publication series

NameAIAA Scitech 2019 Forum

Conference

ConferenceAIAA Scitech Forum, 2019
Country/TerritoryUnited States
CitySan Diego
Period1/7/191/11/19

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