Helicopter Quieting
Abstract
The goal of the Helicopter Quieting program was to advance the capability for analytical development of advanced rotor technologies to dramatically enhance the survivability of military rotor systems while enabling improvements to performance, affordability, availability and suitability. A critical element toward this goal was the creation and demonstration of a physics-based toolset to enable analytical design of novel rotor systems and rotorcraft for reduced acoustic susceptibility (detection and recognition) by human and electro-acoustic threats. Novel and creative concepts and ideas were employed in this program for accurate aerodynamic analysis of helicopter rotor airloading, flowfield, and wakes using high-end computational fluid dynamics techniques. The program developed tools capable of accurately predicting noise signature of advanced rotor concepts that exhibit a significant reduction in low-frequency in-plane signatures.
Document Details
- Document Type
- Accomplishment
- Publication Date
- Oct 01, 2012
- Source ID
- c236c25362b7831b06bd137a95bc96a4
Related Documents
- Root: TACTICAL TECHNOLOGY