The effect of an isolated cylindrical roughness element on a semi-infinite flat plate in rarefied Mach 6 flow is studied using Direct Simulation Monte Carlo methods

Angelos Klothakis, Kamil Dylewicz, Vassilis Theofilis, Deborah A. Levin

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

Abstract

The effect of an isolated cylindrical roughness element embedded in a laminar boundary layer on a semi-infinite flat plate in rarefied Mach 6 flow is studied using the Direct Simulation Monte Carlo method. Steady state solutions are computed only in the three-dimensional configuration, two-dimensional results are obtained on the symmetry plane cutting through the cylinder center and the topologically different structure of laminar separation ahead of and behind the roughness element is documented and briefly discussed. Linear BiGlobal instability analysis of the flow field downstream of the roughness element has revealed stable, traveling, symmetric global modes.

Original languageEnglish (US)
Title of host publicationAIAA AVIATION 2022 Forum
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624106354
DOIs
StatePublished - 2022
EventAIAA AVIATION 2022 Forum - Chicago, United States
Duration: Jun 27 2022Jul 1 2022

Publication series

NameAIAA AVIATION 2022 Forum

Conference

ConferenceAIAA AVIATION 2022 Forum
Country/TerritoryUnited States
CityChicago
Period6/27/227/1/22

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Aerospace Engineering

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