Stability and Transition - Theory, Experiment, and Modeling


The course is a comprehensive course covering fundamentals, experiments, modeling and applications dealing with stability and transition.

Key Topics:

  • Review of road map to transition
  • Current Tools
  • Guidelines for Experiments and flight tests
  • Verification and Validation
  • Correlation Based Modeling
  • Linear stability theory-based modeling. The k-zeta model
  • See detailed outline below

Who Should Attend:

This course is intended for professionals in industry, government and universities who have an interest in updating their knowledge of the latest developments in the field.

Course Information:

Type of Course: Instructor-Led Short Course
Course Level: Advanced/Intermediate
Course Length: 2-4 days
AIAA CEU's available: Yes


Course Outline:

I. Review of the roadmap to transition
A. Receptivity
B. Attachment line
C. Transient growth
D. Stability mechanisms

II. Current tools
A. Linear Stability Theory
B. Parabolized stability equations
C. Direct numerical simulations

III. Guidelines for experiments and flight tests
IV. Verification and Validation
A. Receptivity
B. 2D boundary-layer flows
C. 3D boundary-layer flows

V. Correlation-based modeling
A. Algebraic/integral models
B. Differential models
C. Applications

VI. Linear stability theory-based modeling: The k-zeta model
A. Basic concepts and relation to stability theory
B. Calculation of non-turbulent eddy viscosities for various transition mechanisms
C. Implementation in existing turbulence models (two-equation and one- equation models)
D. Applications of flat plates, airfoils, multi-element airfoils, and swept wings
E. Applications of straight and flared cones at M = 6 and 8
F. Applications of elliptic cone at M = 8



Course Instructors:

Dr. Hassan A. Hassan received his Ph.D in Aeronautical Engineering in 1956 from the University of Illinois at Urbana-Champaign. He is currently a Professor of Aerospace Engineering at North Carolina State University. His current research interests include Turbulence, Transition and Supersonic Combustion. He is the developer of the k- zeta Model.

Helen L. Reed is Professor of Aerospace Engineering at Texas A&M University. Professor Reed has been a leader in theoretical and computational transition and laminar-flow-control studies for over 30 years. She is co-PI for the AFOSR/NASA National Hypersonic Science Center in Transition at Texas A&M, and an active member of the AIAA Transition Study Group. She was the recipient of the 2007 J. Leland "Lee" Atwood Award from the ASEE Aerospace Division and AIAA - the award is bestowed annually upon an aerospace engineering educator in recognition of outstanding contributions to the profession. She was inducted into the Academy of Engineering Excellence at Virginia Tech, her alma mater, in May 2008. She is a Fellow of AIAA, ASME, and APS.

William S. Saric is Professor of Aerospace Engineering at Texas A&M. He has conducted theoretical and experimental stability and transition studies for over 38 years. He received the SES G.I. Taylor Medal (1993), AGARD Scientific Achievement Award (1996), and AIAA Fluid Dynamics Award (2003). He is Fellow of AIAA, ASME, and APS.



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