Understanding Vortex-Turbulent Boundary Layer Interactions to Mitigate Separation Using Textured Surfaces
Abstract
The overarching aim of the proposed research is to to identify flow physics mechanisms that govern the separation behavior of a turbulent boundary layer (TBL) when subjected to unsteady pressure perturbations. This understanding will be exploited to investigate the development of textured surfaces to mitigate vortex-induced boundary layer separation over aerodynamic surfaces. To this end, we propose coordinated and collaborative experimental efforts to comprehensively investigate the vortex-boundary layer interaction physics at play and the aerodynamic implications of induced separation. We further hypothesize that directional textured surfaces (with spanwise heterogeneity and skin-friction anisotropy) can be engineered to mitigate the boundary layer separation from short-duration vortex interactions.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Mar 06, 2024
- Source ID
- FA95502310486
Entities
People
- Gokul Pathikonda
Organizations
- Air Force Office of Scientific Research
- Arizona State University
- Office of the Secretary of Defense