1. The Potential of Collective Pitch Actuation Using Shape Memory Alloys for Aeroacoustic Benefit in Coplanar Rotors Open Access Author: Hafner, Aaron Title: The Potential of Collective Pitch Actuation Using Shape Memory Alloys for Aeroacoustic Benefit in Coplanar Rotors Area of Honors: Aerospace Engineering Keywords: AcousticsAeroacousticsVTOLrotorrotor bladeexperimentexperimentalOASPLPSDVold-Kalman FilterTonalBroadband File: Download Thesis_AJH_04_03_Final__1_.pdf Thesis Supervisors: Jose Palacios, Thesis SupervisorXin Ning, Thesis Honors Advisor