Abstract: This paper summarizes a joint NASA/Boeing research effort to advance Active Flow Control (AFC) technology…
Author: New NASA STI
Aircraft High-Lift Aerodynamic Analysis Using a Surface-Vorticity Solver
Abstract: This study extends an existing semi-empirical approach to high-lift analysis by examining its effectiveness for…
Static and Dynamic Aeroelastic Tailoring With Variable Camber Control
Abstract: This paper examines the use of a Variable Camber Continuous Trailing Edge Flap (VCCTEF) system…
The Effect of Acoustic Forcing on Instabilities and Breakdown in Swept-Wing Flow over a Backward-Facing Step
Abstract: Instability interaction and breakdown were experimentally investigated in the flow over a swept backward-facing step.…
Transition Prediction in Hypersonic Boundary Layers Using Receptivity and Freestream Spectra
Abstract: Boundary-layer transition in hypersonic flows over a straight cone can be predicted using measured freestream…
Landing Gear Noise Prediction and Analysis for Tube-and-Wing and Hybrid-Wing-Body Aircraft
Abstract: Improvements and extensions to landing gear noise prediction methods are developed. New features include installation…
Assessment of the Noise Reduction Potential of Advanced Subsonic Transport Concepts for NASA’s Environmentally Responsible Aviation Project
Abstract: Aircraft system noise is predicted for a portfolio of NASA advanced concepts with 2025 entry-into-service…
Assessment of Preconditioner for a USM3D Hierarchical Adaptive Nonlinear Method (HANIM) (Invited)
Abstract: Enhancements to the previously reported mixed-element USM3D Hierarchical Adaptive Nonlinear Iteration Method (HANIM) framework have…
Effect of Surface Pressure Integration Methodology on Launch Vehicle Buffet Forcing Functions
Abstract: The 2014 test of the Space Launch System (SLS) Rigid Buffet Model conducted at the…
Simple Test Functions in Meshless Local Petrov-Galerkin Methods
Abstract: Two meshless local Petrov-Galerkin (MLPG) methods based on two different trial functions but that use…