Identification of Bypass Transition Onset Markers Using Direct Numerical Simulation
Abstract
Efficacy of several large-scale flow parameters as transition onset markers are evaluated using direct numerical simulation (DNS) of boundary layer bypass transition. Preliminary results identify parameters (k2D/ν) and u′/U∞ to be a potentially reliable transition onset marker, and their critical values show less than 15% variation in the range of Re and turbulence intensity (TI). These parameters can be implemented into general-purpose physics-based Reynolds-averaged Navier–Stokes (RANS) models for engineering applications.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jun 13, 2018
- Source ID
- 10.1115/1.4040299
Entities
People
- Crystal L. Pasiliao
- D. Keith Walters
- S. Muthu
- Shanti Bhushan
Organizations
- Air Force Office of Scientific Research
- Air Force Research Laboratory
- Mississippi State University
- Rocky Mountain NASA Space Grant Consortium
- University of Oklahoma