Flow Physics and Distillation of the Gust-Induced Stall of a Low Aspect Ratio Wing
Abstract
The unsteady aerodynamics of large-amplitude flow disturbances (i.e., gusts) pose significantchallenges for mitigating their effects on agile flight vehicles. In this report, we detail our teamsefforts at addressing several aspects of these challenges: investigating the flow physics of gustwing interactions and developing a suite of tools for practically estimating the aerodynamic flowresponse to this interaction. We have developed a unique, well-instrumented facility to generateparametric families of transverse gusts. By employing a suction and a controllable system oflouvers, the facility generates irrotational gusts, a distinct contrast from other facilities. Theirrotational gusts are highly repeatable and are conducive to unsteady aerodynamic modeling.We have used the facility to build a database of experimental results, clearly showing gustsignatures in the extensive surface pressure data.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 27, 2022
- Accession Number
- AD1230446
Entities
People
- David R. Williams
- Jeffrey D. Eldredge
- Tim Colonius
Organizations
- California Institute of Technology
- Illinois Institute of Technology
- University of California, Los Angeles