Acoustics I

Technical Session A: Tues. May 16, 2023

Acoustic Predictions for Side-by-Side Rotor with Ground Effect
Jared Sagaga, Seongkyu Lee

Aerodynamic and Aeroacoustic Analysis of a Quadrotor Biplane Tailsitter in Forward Flight
Dilhara Jayasundara, James Baeder

Computational Study on the Aerodynamic and Acoustic Rotorprop Test in the NFAC 40- by 80-Foot Wind Tunnel
Zhongqi (Henry) Jia, Joon Lim, Rohit Jain

Experimental and Numerical Investigation of Isolated Swept Rotors for UAVs
Naina Pisharoti, Jeremiah Whelchel, W. Nathan Alexander, Stefano Brizzolara

High Fidelity Aerodynamic and Aeroacoustic Simulations of Multicopter Rotors with Anhedral during Hover and Forward Flight
Moritz Muth, Manuel Keßler, Ewald Krämer

Onboard Acoustic Prediction Method for VTOL Aircraft
Mrunali Botre, Daniel Wachspress, Eric Greenwood, Kenneth Brentner

Prediction of Interactional Aerodynamic Noise of Propellers and Wing Using High-Fidelity CFD
Nikos Trembois, Ethan Brown, Seongkyu Lee, Tyler Ramsarran, Kenneth Brentner

Towards Accurate Broadband Noise Predictions Using CFD
Jordon Won, Seongkyu Lee, Nikos Trembois

Acoustics II

Technical Session C: Wed. May 17, 2023

An Analytic Method to Predict Rotor Blade Wake Interaction Noise
Sicheng Kevin Li

An Experimental Investigation of eVTOL Flight State Variance on Noise
Vitor Tumelero Valente, Eric Johnson, Eric Greenwood

Computational Study of Vortex-Induced Separation for a 5-Bladed Rotor
Christopher Thurman, Nikolas Zawodny, Kyle Pascioni

Evaluation of Acoustic Propagation in Layered Media using Wave Confinement
Subhashini Chitta, Mary Houston, James Stephenson, John Steinhoff

Investigation of departure transition noise for lift-plus-cruise eVTOL aircraft
Bhaskar Mukherjee, Andrew Jue, Jean-Pierre Theron, Kenneth Brentner, Eric Greenwood, Joseph Horn

Multi-fidelity Aeroacoustic Prediction of an eVTOL Rotor
Gabriel Reboul, Danny Lewis, Mikel Balmaseda, Joelle Bailly, Fabrice Falissard, Frederic Guntzer, Caroline Lienard

The Effects of Rotor-Rotor and Rotor-Wing Interactions on eVTOL Aeroacoustics
Brendan Smith, Ulhas Udaya Hebbar, Farhan Gandhi

Acoustics III

Technical Session E: Thurs. May 18, 2023

A Parametric Investigation of Rotor-Rotor Interaction Noise Generation
Robert Rau, Eric Greenwood

Effect of Rotor Blade Elasticity on UAM Quadrotor Acoustics
Sesi Kottapalli, Christopher Silva, D. Douglas Boyd, Jr.

eVTOL Rotor Performance and Acoustic Noise Study Using Unified Comprehensive Modeling and Acoustic Analysis
SeungJoon Yang, Christopher Ware, Jagdeep Batther, Chengjian He, Dilhara Jayasundara, James Baeder, John Gerdes

Flyover Noise Computations of the Joby Aviation Aircraft
Austin Thai, Jeremy Bain, Gregor Mikic, Alex Stoll

Influence of the Perception, Observer Position, and Broadband Self-Noise on Low-Fidelity UAM Vehicle Perception-Influenced-Design (PID) Optimization
Leonard Lopes, Daniel Ingraham

The Effect of Phase Offset Angle for Coaxial Co-Rotating Rotors
Raja Akif Raja Zahirudin, Vitor Valente, Eric McThane, Aaron Hafner, Zach Birbeck, Sihong Yan, Eric Greenwood, Jose Palacios

Unsteady Loading Noise Measurements and Predictions for eVTOL Rotors
James Goldschmidt, Lawrence Ukeiley