The Vertical Flight Society thanks Toray for sponsorship of the Forum 79 proceedings!

 
Forum 79
West Palm Beach, Florida, USA
May 16-18, 2023

Aerodynamics I

Technical Session A: Tues. May 16, 2023

Full-Aircraft CH-53K Hover Simulations with HELIOS
Brian Wake, Vera Klimchenko, Byung-Young Min, Jinggen Zhao, Jeewoong Kim

Helicopter Rotor Wake Investigations on a Wind Tunnel Model with Varying Blade Stub Lengths
Ulrich Hartmann, Christian Breitsamter

Prediction of the Laminar-to-Turbulent Transition Position on a Helicopter Rotor Blade with Cyclic Pitch Variation
François Richez, Rohit Jain

Rotor Loads Prediction on UH-60A Flight Test using Loose Fluid/Structure Coupling
Rocco Moretti, Hyeonsoo Yeo, François Richez, Biel Ortun

Successive Optimization of Airfoils, Planform and Twist for Aerodynamic Performance of Helicopter Rotor Blades
Gunther Wilke

Towards CFD Simulations of Transient Tiltrotor Conversion Maneuvers
Steven Tran, Hyeonsoo Yeo, Andrew Wissink, Joon Lim

Verification and Optimisation of Distributed Propulsion Using High-Fidelity CFD Method
Geng Qiao, George N. Barakos


Aerodynamics II

Technical Session B: Wed. May 17, 2023

4th Rotor Hub Flow Prediction Workshop Experimental Data Campaigns and Computational Analyses
Sven Schmitz, David Reich, Nicholas Jaffa

A Comparison of Rotor Disk Modeling and Blade-Resolved CFD Simulations for NASA's Tiltwing Air Taxi
David Garcia Perez, Patricia Ventura Diaz, Jasim Ahmad, Seokkwan Yoon

Evaluation of High- and Mid-Fidelity Computational Fluid Dynamics for Complex Ship Airwake Analysis with New Experimental Data
Brenden Oates, Erk Kurban, Marilyn Smith, Juergen Rauleder

Fundamental Test of a Hovering Rotor: Comprehensive Measurements for CFD Validation
Thomas Norman, James Heineck, Edward Schairer, Norman Schaeffler, Lauren Wagner, Gloria Yamauchi, Austin Overmeyer, Manikandan Ramasamy, Christopher Cameron, Michelle Dominguez, Alex Sheikman

Infrared Thermography Measurements over an eVTOL Full-Scale Wing Section Equipped with Propellers Mounted on a Boom
Luca Riccobene, Alex Zanotti, Donato Grassi, Johannes N. Braukmann, Mike Kerho, Giovanni Droandi

Numerical and Experimental Assessment of Parameters Influencing the Development of Secondary Vortex Structures in Rotor Wakes
Andrew Bodling, Clemens Schwarz, Christian Wolf, Anthony Gardner

Sinusoidal Gust Response of RC Propellers in Tandem Configuration
Jielong Cai, Sidaard Gunasekaran


Aerodynamics III

Technical Session C: Wed. May 17, 2023

A Computational Investigation of Canted Side-by-Side Rotors in Ground Effect
Richard Healy, Farhan Gandhi

Coupled Experimental and Offline Simulation Study of a Helicopter Rotor in a Frigate Airwake with Active Flow Control
Elvina Derhille, Quentin Gallas, Luc Bordier, Simon Verley, Laurent Keirsbulck

Effects of Anhedral Tip on Forward Flight Performance
Christopher Nelson, Chong Zhou, Shivani Shankar, Lakshmi Sankar

Effects of Light Rain on Coaxial and Tandem Rotor Performance in Hover
Aishwerya Singh Gahlot, Lakshmi Sankar, Po-Wei Chen

Experimental Investigation of Quadrotor Aerodynamics with Computational Cross-Validation
Anna A. Kostek, Johannes N. Braukmann, Felix Lößle, Sebastian Miesner, Antonio Visingardi, Ronan Boisard, Vasilis Riziotis, Manuel Keßler, Anthony D. Gardner

Model-Scale Investigation of Tiltrotor Low-speed Obstacle-Induced Downwash Recirculation
Mark Silva, Scott Hromisin, Michael Corbett, Nathan Graybeal, Steven Cato, John Ralston, Richard Prevost, Callum Gray

Simulation of the Rotorwash Induced by a Quadrotor Urban Air Taxi in Ground Effect
Denis-Gabriel Caprace, Patricia Ventura Diaz, Seokkwan Yoon


Aerodynamics IV

Technical Session D: Thurs. May 18, 2023

Coaxial Hub Drag Correlation with Water-tunnel Model using Two Flow Solvers
Byung-Young Min, Kalki Sharma, Charles Berezin, Peter Lorber, Brian E. Wake

Computational Analysis of Coaxial Rotor Hub and Sail Fairing Wake
Neal Deore, Forrest J. Mobley, James G. Coder

Drag Prediction of the Coaxial PSU-Hub using Helios
Dylan Jude, Aaron Crawford, Rohit Jain

Prediction of Coaxial Rotor Hub Flow Using Mercury Framework
Yong Su Jung, Bumseok Lee, James Baeder