1. Acoustic Analysis of Compound Helicopters with Trim Variations Open Access Author: Barron, Heather Marie Title: Acoustic Analysis of Compound Helicopters with Trim Variations Graduate Program: Aerospace Engineering Keywords: HelicopterrotorcraftrotorcraftacousticWOPWOPPSU-WOPWOPaerospacecompoundanalysis File: Download Barron_Thesis_v10.pdf Committee Members: Kenneth Steven Brentner, Thesis Advisor/Co-Advisor