1. Absorption and dispersion predictions of noise from en-route subsonic and supersonic aircraft Open Access Author: Petersen, Erik A Title: Absorption and dispersion predictions of noise from en-route subsonic and supersonic aircraft Graduate Program: Acoustics Keywords: AcousticsnoisesubsonicsupersonicaircraftpredictionSutherlandBasssonicboomshockabsorptiondispersion File: Download Petersen_Thesis.pdf Committee Members: Victor Ward Sparrow, Thesis Advisor/Co-Advisor