Effect of the Scaled Angle on the Stabililty of a Large Separation Bubble

Irmak T. Karpuzcu, Deborah A. Levin, Vassilis Theofilis

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

Abstract

Supersonic and hypersonic flow over several compression ramp configurations were considered in this work. The scaled angle of triple deck theory was used as the main parameter to characterize the different flowfields under varying free stream conditions. It was shown that with increasing scaled angle, the separation length and recirculation strength increase, as expected. Nevertheless, the stability of the single recirculation is not characterized solely by the magnitude of the scaled angle since sometimes smaller scaled angle values caused single recirculation regions to break down into smaller recirculation regions in the separation bubble whereas separation bubbles with higher scaled angles seem to be able to sustain a single recirculation. We show that the two-dimensional separation bubble is more sensitive to Reynolds and Mach numbers than the scaled angle value.

Original languageEnglish (US)
Title of host publicationAIAA SciTech Forum and Exposition, 2024
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624107115
DOIs
StatePublished - 2024
EventAIAA SciTech Forum and Exposition, 2024 - Orlando, United States
Duration: Jan 8 2024Jan 12 2024

Publication series

NameAIAA SciTech Forum and Exposition, 2024

Conference

ConferenceAIAA SciTech Forum and Exposition, 2024
Country/TerritoryUnited States
CityOrlando
Period1/8/241/12/24

ASJC Scopus subject areas

  • Aerospace Engineering

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