1. Time-Varying Rotor Noise Computations and Analysis of Electric Vertical Take-Off and Landing Aircraft Open Access Author: Gan, Ze Feng Title: Time-Varying Rotor Noise Computations and Analysis of Electric Vertical Take-Off and Landing Aircraft Graduate Program: Aerospace Engineering (MS) Keywords: aeroacousticsrotorcraft simulationbroadband noise predictionurban air mobilityUAMelectric VTOL aircraftvariable RPMPSU-WOPWOP File: Download Gan2021Thesis.pdf Committee Members: Amy Pritchett, Program Head/ChairKenneth Steven Brentner, Thesis Advisor/Co-AdvisorEric Greenwood, Committee Member