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DIRECTED
ENERGY
PROFESSIONAL
SOCIETY
Abstract: 25-Systems-205
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UNCLASSIFIED, PUBLIC RELEASE
Aero-Effects Design Resource for Rotor-Driven Unmanned Aerial System (UAS) Platforms for DEWS Applications
Many UAS vehicles use rotor-based propulsion systems in order to provide loitering capability, maneuverability, and for ease of deployment in austere environments. Although these platforms do not typically travel at Mach numbers high enough to induce aero-optic effects over turrets, it is well known that rotor tip vortices can be a significant source of aero-optic disturbances. In this ADESIC presentation, we provide a summary of the literature studying the detrimental effects of rotor tip aerodynamics on laser beam propagation within the airborne DE community. We also present a scaling-law model for open-loop aero-optic disturbance magnitude and frequency estimates for rotor-driven airborne systems. Several examples of the predicted aero-effects are presented and discussed.
UNCLASSIFIED, PUBLIC RELEASE
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