Forum 78 Proceedings

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Acoustics         Advanced Vertical Flight         Aerodynamics         Aircraft Design         Avionics and Systems         Crash Safety        
Crew Stations and Human Factors         Dynamics         Electric Vertical Takeoff and Landing (eVTOL)         Handling Qualities        
Health and Usage Monitoring Systems (HUMS) - Condition Based Maintenance (CBM)         History         Manufacturing Technology and Processing        
Modeling and Simulation         Operations         Product Support Systems Technology         Propulsion         Safety         Structures and Materials        
System Engineering Tools/Processes         Test and Evaluation         Unmanned VTOL Aircraft and Rotorcraft        
 

Acoustics

Acoustics I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Aeroacoustic Prediction and Validation of Variable RPM Rotors and Rotor-Airframe Interactions for Advanced Air Mobility Applications (Paper 1274)
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Mrunali Botre, Daniel Wachspress, Kenneth Brentner, Ze Feng Gan

Analytic Prediction of Rotor Broadband Noise with Serrated Trailing Edges (Paper 54)
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Sicheng (Kevin) Li, Seongkyu Lee

Comparison of Multi-Fidelity Approaches for the HART-II Rotor Noise Prediction Using CREATETM-AV Helios (Paper 1195)
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Zhongqi Jia, Jeffrey D. Sinsay

Numerical Analysis of Rotor Aeroacousitc Scattering Characteristics Considering Fuselage Aerodynamic Configuration Parameters (Paper 1302)
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Weicheng Bao, Xi Chen, Qijun Zhao, Dazhi Sun

Performance and Acoustics of a Stacked Rotor with Differential Collective Pitch (Paper 37)
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Chloe Johnson, Jayant Sirohi, George Jacobellis, Rajneesh Singh

The Effect of Boundary Layer Character on Stochastic Rotor Blade Vortex Shedding Noise (Paper 61)
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Christopher Thurman, Nikolas Zawodny, Nicole Pettingill

Trailing-Edge Noise Predictions of Rotorcraft Airfoils (Paper 95)
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Hyunjune Gill, Seongkyu Lee

Acoustics II

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

A Realistic Rotorcraft Noise Footprint Computation for Low-Noise Trajectory Optimization (Paper 74)
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Pierre Dieumegard, Frédéric Guntzer, Julien Caillet, Sonia Cafieri

Analysis of Rotor Noise during Maneuvering Flight based on CLORNS Solver (Paper 1291)
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Xi Chen, Weiqi Wang, Qijun Zhao, Muyang Lin

Flyover Noise Comparison Between Joby Aircraft and Similar Aircraft (Paper 1180)
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Jeremy Bain, Greg Goetchius, David Josephson

Ground-based Acoustic Measurements of Small Multirotor Aircraft (Paper 1211)
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Nicholas Blaise Konzel, Eric Greenwood

Helicopter Noise Source Separation Using an Order Tracking Filter (Paper 30)
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Joel Sundar Rachaprolu, Eric Greenwood

Measured Acoustic Characteristics of Low Tip Speed eVTOL Rotors in Hover (Paper 1253)
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Jonathan Fleming, Matthew Langford, Jacob Gold, Kyle Schwartz, David Wisda, Nathan Alexander, Jeremiah Whelchel

Variation in Helicopter Noise During Approach Maneuvers (Paper 1277)
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Damaris Zachos, Lauren Weist, Kenneth Brentner, Eric Greenwood

Acoustics III

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

An Investigation of Flight Control Strategy on Generic eVTOL Noise (Paper 1290)
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Bhaskar Mukherjee, Kenneth Brentner, Eric Greenwood, Jean-Pierre Theron, Joseph Horn

Control Method of the Rotor Noise based on Sound Pressure Cancellation (Paper 1309)
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Yan Ding, Rui Hu, Xi Chen, Qijun Zhao, Guoqing Zhao

High Solidity, Low Tip-Speed Rotors for Reduced eVTOL Tonal Noise (Paper 1256)
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Farhan Gandhi, Justin Pepe, Brendan Smith

 

Advanced Vertical Flight

Advanced Vertical Flight I

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

Blade Shape Optimization of Mars Helicopter Exploring Pit Craters (Paper 93)
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Masahiko Sugiura, Yasutada Tanabe, Hideaki Sugawara, Keita Kimura, Akira Oyama, Makoto Sato, Kota Yoshikawa, Yuta Buto, Masahiro Kanazaki, Yuki Kishi, Daisuke Kikuchi, Takuma Minajima

Hoverfoil&[trade] Design and Testing (Paper 1282)
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Kelly Echols, Randall Petersen

Optimization of Coaxial Rotor System for a Gun-launched Micro Air Vehicle (Paper 24)
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Hunter Denton, Moble Benedict, Hao Kang

Robotic Hummingbird versus Quadrotor: a Flight Dynamics and Gust Response Comparison (Paper 1272)
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David Coleman, Moble Benedict

Steady and Transient Hover Performance Investigation of Electric Medium-sized Variable-RPM Rotor (Paper 1259)
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Peter Ryseck, Emily Glover, Rajneesh Singh, Mark Lopez, Inderjit Chopra

Transition Performance Of Tilt Propeller Aircraft (Paper 1189)
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Alex Stoll, Gregor Veble Mikić

Advanced Vertical Flight II

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

6-DOF Flight Dynamics Model Identification of a Hybrid-Lift Multicopter in Hover (Paper 1209)
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Mitchell Graham, Subodh Bhandari

Benefits of Dual Propellers for a Coaxial Helicopter (Paper 1251)
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Alexander Stillman, Michael McKay, Farhan Gandhi

Design, Development, and Flight Testing of a 70-gram Micro Quad-Cyclocopter (Paper 1292)
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Carl Runco, Moble Benedict

Development of a Multi-Rotor eVTOL Using RPM, Collective, and Cyclic Control (Paper 1184)
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Riccardo Roiati, Richard Anderson, Kyle Collins, Patric Hruswicki, Xinyu Yang, Vivek Saini, Nishant Sharma

Flow-Field and Force Measurements on a Cycloidal Rotor Blade in Forward Flight (Paper 1281)
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Joseph Heimerl, Moble Benedict

M-Star Medical Transport with a Multi-Ducted Angled Rotor Design (Paper 1289)
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Michael Johnson, Richard Catania, Liza Pierce, Stuart Dana, Thomas Johnson

 

Aerodynamics

Aerodynamics I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Effects of Active Flow Control on Fan-In-Wing Aerodynamic Performance In Hover and Forward Flight (Paper 1143)
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Chunhua Sheng, Qiuying Zhao

Experimental Evaluation of the Aerodynamic Rotor/Propeller Interactions on High Speed Helicopters, Efforts and Velocity Fields Measurements (Paper 45)
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Lauriane Lefevre, Vianney Nowinski, Jérôme Delva, Antoine Dazin

High Speed and Highly Efficient Rotor Blade Design (Paper 1144)
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Byung-Young Min, Vera Klimchenko, Annie Gao, Alex Dunn, Claude Matalanis, Brian Wake

High-fidelity Numerical Investigation of Complex Propeller Flows (Paper 1139)
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Tao Zhang, Ross Higgins, George Barakos

Medium-Fidelity CFD Modeling of Multicopter Wakes for Airborne Sensor Measurements (Paper 50)
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Jonathan Chiew, Michael Aftosmis, Kristen Manies

Propeller Ground and Ceiling Effect in Forward Flight
(Paper 72)
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Jielong Cai, Sidaard Gunasekaran

Aerodynamics II

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Computational Analysis of a Quiet Single-Main Rotor Helicopter for Air Taxi Operations (Paper 59)
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Patricia Ventura Diaz, David Garcia, Seokkwan Yoon

Experimental Evaluation of Multi-Rotor Aerodynamic Interactions (Paper 1182)
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Abraham Atte, Daley Wylie, Juergen Rauleder

High-fidelity Simulations of Rotors in Compact Configuration (Paper 1235)
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Sebastian Miesner, Manuel Keßler, Ewald Krämer

Quasi-Steady Aeromechanic Helicopter Simulations Using Mid-Fidelity Aerodynamics (Paper 65)
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Philipp Kunze, Tobias Ries

Time Efficient Methodology for the Evaluation of Aerodynamics and Flight Mechanics of the RACER Compound Helicopter in Hover under Cross Wind Conditions (Paper 1121)
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Ronan Boisard

Transient and Quasi-steady Numerical Simulations of Tiltrotor Conversion Maneuvers (Paper 1173)
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Steven Tran, Hyeonsoo Yeo

Uncertainty Quantification Approach for Rotorcraft Simulations (Paper 1239)
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Buvana Jayaraman, Andrew Wissink, Rohit Jain, Manas Khurana

Aerodynamics III

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

Analytical Model Development for Rotors Hovering Above Heaving Surfaces (Paper 1299)
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Joseph Milluzzo, John Tritschler, Scott Davids

Automated Inference of Vortex Core Physics of Hovering Rotor Wakes Using Machine Learning Techniques (Paper 1280)
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Jennifer Abras, Nathan Hariharan

Helicopter Shipboard Operation: Effect of Atmospheric Boundary Layer on Turbulent Ship Airwake and Rotor Aerodynamic Loads (Paper 1220)
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Neda Taymourtash, Myles Morelli, Alberto Guardone, Giuseppe Quaranta

Investigation of Dynamic Stall Leading-Edge Flow Features at a Low Transitional Reynolds Number (Paper 103)
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Jagdeep Batther, Seongkyu Lee

Large Eddy Simulation of the Wakes of Three Urban Air Mobility Vehicles (Paper 63)
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Denis-Gabriel Caprace, Andrew Ning

Aerodynamics IV

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

A Combined Experimental and Computational Analysis of the Flow Field of a Coaxial Counter-Rotating Rotor in Hover (Paper 1157)
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Patrick Mortimer, Jayant Sirohi, Jimmy Ho, Mark Lopez, Ashwani Padthe

CFD Simulation of Flow Around ROBIN-Mod7 Fuselage with PSP Rotor Using an Immersed Boundary Method (Paper 120)
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Hee Sung Park, Daniel Linton, Ben Thornber

Comparing Strategies for DNS Based Optimization of Airfoils for Martian Rotorcraft (Paper 33)
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Lidia Caros, Julian Blank, Oliver Buxton, Peter Vincent

Improved Initial and Boundary Conditions for Hovering Rotor CFD Simulations (Paper 1196)
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Feilin Jia, Qiqi Wang, Philippe Spalart

Numerical Simulations of the Adverse Effects of Rain on Airfoil and Rotor Aerodynamic Characteristics (Paper 1203)
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Aishwerya Gahlot, Ritu Eshcol, Lakshmi Sankar, Richard Kreeger

 

Aircraft Design

Aircraft Design I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Acoustic Analysis for Conceptual Design via Comprehensive Analysis (Paper 1234)
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Matthew Floros, Phuriwat Anusonti-Inthra, George Jacobellis, Michael Avera

CFD Based Design Optimization of Tail Boom Strake for Hover and Sideward Flight Performance (Paper 1273)
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Furkan Kurban, Osman Gungor, Murat Senipek, Alper Ezertas

Effect of Lifting Surface and Tail Configuration on the Aerodynamics and Flight Mechanics of VTOL Aircraft (Paper 1237)
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Abhijnan Dikshit, Tom C.A. Stokkermans, Shawn Lim Kin Yip, James Wang

Helicopter Rotor Blade Planform Optimization Using Parametric Design and Multi-Objective Genetic Algorithm (Paper 1160)
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Yonghu Wenren, Joon W. Lim, Luke D. Allen, Robert B. Haehnel, Ian D. Dettwiller

The Effect of Blade Tip Sweep Angle on Forward Flight Performance of a High-speed Helicopter (Paper 1236)
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Keita Kimura, Yasutada Tanabe, Masahiko Sugiura

Wing Lift Enhancement from Aft Rotor Induced Suction (Paper 1268)
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Richard Healy, Farhan Gandhi

Aircraft Design II

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Design and Optimization of Innovative Tiltrotor Wing Control Surfaces through Coupled Multibody–mid-fidelity Aerodynamics Simulations (Paper 1174)
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Alberto Savino, Alessandro Cocco, Andrea Zanoni, Alessandro De Gaspari, Alex Zanottti, João Cardoso, Daniel Carvalhais, Vincenzo Muscarello

Design and Test of an Active Pneumatic Trailing Edge Flap for High-Speed Rotorcraft (Paper 1130)
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Matt DiPalma, Tim Conti, Claude Matalanis, Preston Bates, Joe Szefi

Design, Development, and Flight Testing of a 25-Kilogram Quad-Cyclocopter (Paper 1260)
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Ramsay Ramsey, Saul Sanchez, David Coleman, Atanu Halder, Moble Benedict

Examining a Tandem-Rotor Configuration for the Electric Urban Air Mobility Mission (Paper 90)
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Erik Scott

Modeling and Optimization of Propulsion Systems for eVTOL Aircraft (Paper 1181)
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Willem Anemaat, Drew Darrah, Bruno Moorthamers, Wanbo Liu

Rotorcraft Conceptual Design Methodology by Using Fully Parametric CAD Model with Embedded Empirical Formulations (Paper 108)
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Hasan Ibacoglu, Abdullah Enes Coskun, Tolga Kayabasi

Structural Optimization of a Co-Axial Compound Rotorcraft by using Three-Dimensional Finite Element Representation (Paper 69)
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SunHoo Park, ByeongUK Im, TaeYong Chun, SangJoon Shin

Aircraft Design III

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

38th Student Design Competition Graduate Winner: ALICORN – 2025 Unmanned Vertical Lift for Medical Equipment Distribution (Paper 1323)
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Dilhara Jayasundara, Spencer Fishman

38th Student Design Competition Undergraduate Winner: GARRA – 2025 Unmanned Vertical Lift for Medical Equipment Distribution (Paper 1324)
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Derek Safieh, Andrew Lent

Biomimetic Adaptive Airframe Technologies (BAAT) for Rotorcraft Design and Optimization (Paper 1230)
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Allen Davis, Bochan Lee, Moble Benedict, Darren Hartl

Revisiting Legacy Weight Relationships Using Machine Learning Techniques (Paper 114)
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J. Michael Vegh, Andrew Milligan

 

Avionics and Systems

Avionics and Systems

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Accuracy Improvement Methods to a Deep Neural Network Model in Computer Vision (Paper 40)
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Grace Chrysilla

An Evaluation of Human Performance with a Large Area Touchscreen in a Simulated Rotary Wing Environment (Paper 113)
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Margaret Lampazzi, Catherine Daly, Jason Browning, Kathryn Guy

Evaluation of Flight Control System Architectures for the AH-64 (Paper 109)
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Bryan Chu, Gary Klein, Russell Enns

Mission System Needs for Small Unmanned Systems (Paper 1170)
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Max Taylor, Matthew Cunnien, James Kleveland

Observers for Robust Rotor State Estimation (Paper 1128)
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Omkar Halbe, Manfred Hajek, Florian Holzapfel

 

Crash Safety

Crash Safety

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Advanced Seat Belt System for Occupant Restraint (Paper 1241)
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Marv Richards

Development and Analysis of Energy Absorbing Subfloor Concepts to Improve eVTOL Crashworthiness (Paper 1179)
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Jacob Putnam, Justin Littell, Mercedes Reaves, Nathaniel Gardner

Fatal Rotorcraft Accidents for a Ten-Year Period (Paper 1267)
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Amanda Taylor, Joseph Pellettiere

Test and Analysis Methodology for Validating Crashworthiness of AW609 Tiltrotor (Paper 1310)
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Ryan Miller, Jim Waterman, Fabrizio Turconi, Andrea Di Renzo, Marco Anghileri

 

Crew Stations and Human Factors

Crew Stations I

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

3D Conformal Pilot Cueing for Rotorcraft Shipboard Landings: On-Demand Trajectory Generation used with a Flight Path Marker Cue (Paper 1175)
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Robert Walters, Mahmoud Hayajnh, Karen Feigh, J.V.R. Prasad

Development and Evaluation of Coupling Modes and Haptic Functions enabled by Active Inceptor integration in Cockpits (Paper 1145)
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Laurent Binet, Raphaël Perret

Differential Role of Gravitoinertial Cues for Active and Passive Control in Degraded Visual Environments (Paper 1314)
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Martine Godfroy-Cooper, Jean-Christophe Sarrazin, Edward Bachelder, Joel Miller, Benoit Bardy

Further Simulated Flight Trial Assessment of Novel Autorotation Cueing Methods (Paper 1201)
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Mushfiqul Alam, Michael Jump, Jonathan Rogers

Crew Stations II

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

Individual Differences in Cueing Utilization in Rotary-Wing Aviators (Paper 66)
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Kathryn Feltman, Jason Boggs, Michael Wilson

Methodology Proposal to Better Integrate Human Factors in Aviation Maintenance. (Paper 112)
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Fabien Bernard, Raphael Paquin, Georges Devilliers, Mohsen Zare

Task Analysis and Predictive Workload Modeling for Autonomous Aircraft (Paper 116)
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Margaret Lampazzi, Carl Pankok Jr.

The Portable Helicopter Oxygen Delivery System (PHODS) in the Altitude Chamber: Cerebral and Peripheral Blood Oxygen Saturation and Perceptual Vigilance. (Paper 81)
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Leonard Temme, Bobby Bowers, Amanda Hayes, Paul St Onge, Aaron McAtee, Dennis Ard, Frank Petrassi

 

Dynamics

Dynamics I

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

An Integrated Three-Dimensional Aeromechanical Analysis of Lift Offset Coaxial Rotors (Paper 83)
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Mrinalgouda Patil, Paulo Arias, Anubhav Datta, James Baeder

Evolution in Buffet Loads Determination for Tilt Rotor (Paper 1126)
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Carlo Cassinelli, Maria Ludovica Dall'Aglio, Nicola Donini, Alberto Angelo Trezzini

H145 New Comfort Experience: Upgrading From Four-Bladed HMR To Five-Bladed BMR (Paper 1146)
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Raphael Rammer, Martijn Priems, Stefan Dreher, Oliver Dieterich

Higher Harmonic Control Simulation with Actuators Designed by the Physics-Based Approach (Paper 1212)
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Kunhyuk Kong, Byeonguk Im, SangJoon Shin

Lichten Runner-up Paper: High-Fidelity Modelling of Actuation Systems for Nonlinear Aeroservoelastic Analysis of Tiltrotor (Paper 1163)
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Federico Pellegrino, Alberto Angelo Trezzini, Giuseppe Quaranta

Model-Based Optimization of a Tethering Device for Ultralight Helicopters (Paper 97)
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Benjamin Rothaupt, Walter Fichter, Benedikt Grebing

Relative Rotor Phasing for Vibratory Load Minimization for a Coaxial Multicopter (Paper 60)
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Gaurav Makkar, Robert Niemiec, Farhan Gandhi

Dynamics II

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

Blade Load Reconstruction from Embedded Strain Measurements (Paper 1198)
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Pierangelo Masarati, Carmen Talamo, Roberta Cumbo, Daniela Rigamonti, Paolo Bettini, Daniel De Gregoriis

Cheeseman Award Paper: Damper Model Identification Using Hybrid Physical and Machine Learning Based Approach (Paper 1322)
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Michele Zilletti, Ermanno Fosco

Effect of Lag Damper Failure on Helicopter Ground Resonance (Paper 1245)
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Farhan Gandhi, Jonah Whitt

On the Impact of Flight Control Systems on Kinetosis of Helicopter Passengers (Paper 44)
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Süleyman Özkurt, Walter Fichter, Christian Fischer, Heinrich Bülthoff

Pilot Biomechanics for the Definition of a Rotorcraft-Pilot Interaction Experiment (Paper 118)
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Andrea Zanoni, Alessandro Cocco, Davide Marchesoli, Carmen Talamo, Pierangelo Masarati, Francesca Colombo, Sarah Kemp, Ermanno Fosco

Pre-test Analysis on Slowed Mach-scaled Thrust Compounding Rotorcraft (Paper 1279)
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Shashank Maurya, Inderjit Chopra, Anubhav Datta

The Inter-2-Blade Lead-Lag Damper Concept (Paper 117)
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Pierangelo Masarati, Leonardo Frison, Andrea Zanoni

Time-Frequency Analysis of Experimental and Analytical Hub Loads of a Rotor Undergoing a Rotor Speed Change (Paper 39)
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Martin Sekula, Carl Russell

 

Electric Vertical Takeoff and Landing (eVTOL)

eVTOL I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Design of a Rotary Engine based High-Power Density Hybrid-Electric Power Generation Testbed (Paper 1278)
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Roydon Fernandes, Jayaprakash Shivakumar, Mariana Gehrmann, Nicholas Miller, Kyle Collins, Patrick Currier, Richard Anderson

Development of eVTOL Aircraft For Urban Air Mobility At Joby Aviation (Paper 1185)
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Alex Stoll, JoeBen Bevirt

Electromechanical Modeling and Testing of a Phase-Controlled Stacked Rotor (Paper 1240)
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Matthew Asper, Jayant Sirohi, Michael Ricci, Jack Brewer

Fabrication, Testing, and Comparative Analysis of Lithium Sulfur and Lithium-Ion Electrochemistries (Paper 1257)
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Emily Fisler, Anubhav Datta

Power System Characterization and Flight Testing of a >55lb Hybrid-Electric Multirotor (Paper 1214)
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Michael Ricci, Vishaal Varahamurthy, Robert Hicks

eVTOL II

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Advanced Thermal Analysis Methodologies to Support eVTOL Propulsion System Optimization (Paper 1288)
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Lee Rogers, Thomas Holdstock

Comprehensive Simulation for eVTOL Aircraft-Diagnosing Coupled Airframe-Propulsion Dynamic Instabilities (Paper 53)
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Felix Brenner, Llorenc Foraste Gomez, Jan Goericke, Matt Hasbun, Patrick O'Heron

Drag Performance Degradation Due to Icing of eVTOL (Paper 1202)
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Geoffrey Karli, Sihong Yan, Robert McKillip, Jose Palacios

Experimental Evaluation of Panel-Method-Based Path Planning for eVTOL in A Scaled Urban Environment (Paper 1215)
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Zeynep Bilgin, Murat Bronz, Ilkay Yavrucuk

Flight Characteristics of AAM/UAM-Scale Quadcopters Under Atmospheric Turbulence (Paper 1129)
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Matthew Bahr, Etana Ferede, Farhan Gandhi

High-Fidelity Analysis of Six-Passenger Quadrotor Air Taxi Concept (Paper 34)
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Cameron Druyor, Li Wang

Parametric Investigation of Flow over a Rotor-Blown Wing using High-fidelity Simulations (Paper 58)
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Ullhas Udaya Hebbar, Farhan Gandhi, Onkar Sahni

 

Handling Qualities

Handling Qualities I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Analysis of Handling Qualities for an Urban Air Mobility (UAM) eVTOL Quadrotor with Degraded Disturbance Rejection and Control Response (Paper 1285)
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Jeremy Aires, Shannah Withrow-Maser, Allen Ruan, Carlos Malpica, Stefan Schuet

Evaluation of Helicopter Ship Deck Landing Control Laws in Piloted Simulations (Paper 1148)
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Arti Kalra, Alexander Štrbac, Malte-Jörn Maibach

Evaluation of Pilot Assistance Systems for Helicopter Ship Deck Landing (Paper 1147)
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Alexander Štrbac, Malte-Jörn Maibach, Daniel Greiwe, Arti Kalra, Anthony Gardner

Flight Test of Scaled MTEs for VTOL Certification using an Ultralight Coaxial Helicopter (Paper 16)
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Tim Jusko, Michael Jones, Benedikt Grebing

Handling Qualities Considerations in Control Allocation for Multicopters (Paper 1186)
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Christina Ivler, Will Hunter, Emily Vo, Kate Russell, Carlos Malpica, Shannah Withrow-Maser

Hover Dynamics & Flight Control of a UAM-Scale Quadcopter with Hybrid RPM & Collective Pitch Control (Paper 1177)
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Ariel Walter, Michael McKay, Robert Niemiec, Farhan Gandhi, Tom Berger

Toward a UAS Handling Qualities Specification: Development of UAS-Specific MTEs (Paper 1187)
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Christina Ivler, Kate Russell, Anthony Gong, Tom Berger, Mark Lopez

Handling Qualities II

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

An Explanation of Unanticipated Yaw Phenomenom on Helicopters (Paper 1125)
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David Ferullo

Load Alleviation Control vs. Load Limiting Control: Pros and Cons. (Paper 1255)
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Chams Eddine Mballo, J.V.R Prasad

Neuromuscular Response Comparison for Center and Side Stick Positions (Paper 1216)
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Edward Bachelder, Jeff Lusardi, Bimal Aponso

NGCTR-TD Tiltrotor Autorotation Numerical Investigation (Paper 1120)
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Fabio Riccardi, Matteo Pecoraro, Andrea Ragazzi, Valentina Giuliani, Giuliano Prando, Federico Del Grande

Seeking Lift Share: Design Tradeoffs for a Winged Single Main Rotor Helicopter (Paper 62)
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Mark Lopez, Ashwani Padthe, Emily Glover, Tom Berger, Eric Tobias

Towards Handling Qualities and Automation Assessment for Certification of eVTOL Aircraft (Paper 1261)
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Michael Jones, David Klyde, Martin Schubert, David Mitchell, David Sizoo, Ross Schaller, Johannes van Houdt, Michael Feary, David Webber, Rick Simmons

 

Health and Usage Monitoring Systems (HUMS) - Condition Based Maintenance (CBM)

HUMS I

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

Ensemble Integration Methods for Load Estimation (Paper 1124)
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Catherine Cheung, Zouhair Hamaimou

Helicopter Gearbox Mechanical Classification based on Vibration Pattern Recognition (Paper 1137)
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Valerio Camerini, Valentin Aubin, Ammar Mechouche

Rotor Fault Detection and Identification on Multicopters based on Statistical Time-series based Data-Driven Methods: Experimental Assessment via Flight Tests (Paper 1265)
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Airin Dutta, Jianxi Wang, Fotis Kopsaftopoulos, Farhan Gandhi

Validation of Probabilistic Regime Recognition and Damage Estimation with Large Fleet Datasets (Paper 1136)
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Dakota Musso, Jonathan Rogers, Subhasis Sarkar

HUMS II

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

Active-Sensing Acousto-Ultrasound-based Rotorcraft Structural Health Monitoring via Adaptive Functional Series Models (Paper 1286)
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Fotis Kopsaftopoulos, Peiyuan Zhou, Shabbir Ahmed

Development and Integration of a Fiber-Optical Sensor System for Rotor Blade State Observation (Paper 1266)
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Florian Berghammer, Verena Heuschneider, Manfred Hajek

Exploring Bearing, Shaft and Gear Monitoring using an Optical Fiber Fabry–Perot Bragg Grating Cavity (Paper 1164)
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James Washak, Paul Dunning, Christopher Holmes, Ling Wang

Improving the Performance of Bearing Analysis (Paper 25)
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Eric Bechhoefer, Josh Kethan

 

History

History

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

A Brief History of Kaman Innovative VTOL Aircraft and System Designs (Paper 1207)
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Jacques Virasak

Ernst Otto Schmidt 1872-1938: Passionate Helicopter Inventor (Paper 4)
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Berend G. van der Wall, Gert Dieter Schmidt, Klausdieter Pahlke

God's Machine: The Miracle at Gander (Paper 23)
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Paul Fardink

 

Manufacturing Technology and Processing

Manufacturing Technology I

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

Air Entrapment Prediction in Composite Manufacturing (Paper 1154)
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Michael West, Yih-Farn Chen, Benjamin Cournoyer, Felix Nguyen

Digital Transformation of a 6000-Year-Old Process (Paper 1149)
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Heather Woodworth

Manufacturing Innovation for Bell's Future Factory (Paper 68)
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Amber Pike

Paint Scheme & Marking Digital Transformation (Paper 48)
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Mary DaSilva

Manufacturing Technology II

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

Computational Analysis of a Model Coaxial Rotor Hub Wake (Paper 1233)
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Forrest Mobley, James Coder

Sikorsky Leakage Criteria and Prevention Methods (Paper 1319)
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Altayeb Hashim, Joe Buzzeo, Cody Donecker, Anthony Chory

Tolerance Relief on Transmission Castings for Producibility (Paper 1318)
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Brad Gimbutis, Griffin Palmer, Justin Beardsley, Holly Ann Quinn

 

Modeling and Simulation

Modeling and Simulation I

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Comprehensive Analysis of a Control Loading System for a Rotary Wing Flight Simulator (Paper 1166)
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Giorgio Guglieri, Marco Rinaldi, Pierluigi Capone

Dual-Engine Failure Emergency Procedure Development Using an Engineering Simulator (Paper 1190)
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Ilgaz Doga Okcu, Kaan Sansal, İlker Uysal, Gokhan Virlan

Evaluation of Simulator Cueing Fidelity for Rotorcraft Certification by Simulation (Paper 1123)
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Philipp Podzus, Jur Crijnen, Michael Jones, Stefan van't Hoff, Paul Breed

Global Model Identification for a Coaxial Helicopter (Paper 1199)
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Barzin Hosseini, Franz Sax, Julian Rhein, Florian Holzapfel, Lukas Maier, Aaron Barth, Manfred Hajek, Benedikt Grebing

Rotorcraft Pitch-Surge Motion Cueing Requirements for a Simulated Offshore Approach Task (Paper 94)
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Josephine Roscoe, Mark White, Steven Hodge, Gareth Padfield

System Identification and Stitched Modeling of the ADAPT&[trade] Winged Compound Helicopter Scaled Demonstrator (Paper 8)
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Samuel Nadell, Tom Berger, Christopher Dimarco, Mark Lopez

Modeling and Simulation II

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

A Comparison of High-Fidelity Simulation Approaches for Interactional Aerodynamics of Multirotor Systems in Forward Flight (Paper 1132)
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Abhishek Chopra, Richard Healey, Farhan Gandhi, Onkar Sahni

A Multirotor Inflow Model Based on Combined Momentum Theory and Simple Vortex Theory (CMTSVT) for Flight Simulations (Paper 42)
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Feyyaz Guner

Design, Modeling, and Flight Dynamics Analysis of Generic Lift-Offset Coaxial Rotor Configurations (Paper 1131)
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Ashwani Padthe, Mark Lopez, Tom Berger, Ondrej Juhasz, Eric Tobias, Emily Glover

Implementation and Linearization of a Rotor Simulation with a State-Space Free-Vortex Wake Model (Paper 6)
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Umberto Saetti, Joseph Horn

Implementation and Linearization of a State-Space Free-Vortex Wake Model for
Flapping-Wing Flight
(Paper 5)
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Umberto Saetti, Joseph Horn

Physics and Improved Simulations for Computational Modeling of Synthetic Jets (Paper 1172)
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Aaron Crawford, Marilyn J. Smith

Modeling and Simulation III

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

A Comparative Assessment of the NATO-GD and SFS2 Ship Airwakes and their Influence upon Helicopter Aerodynamic Loading (Paper 1222)
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Nicholas Fernandez, Neale Watson, Ieuan Owen, Mark White

Design and Integration of a Tilt-Rotor Flight Simulation Platform (Paper 1167)
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Stefano Primatesta, Federico Barra, Pierluigi Capone, Giorgio Guglieri

The Effect of Lift Position on Helicopter Recovery to a Twin-Island Aircraft Carrier (Paper 1151)
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Neale Watson, Ieuan Owen, Mark White, Richard Lynn

Towards Certification by Simulation with model-based continuous Engineering Processes showcased on eVTOL Application (Paper 1242)
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Marcel Gottschall, Bastian Binder, Alexis Castel

Verification, Validation and Calibration Under Uncertainty for a Scaled Experimental Rotor Model (Paper 64)
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Neda Taymourtash, Giuseppe Abate, Matteo Daniele, Giuseppe Quaranta

XV-15 Rotor Simulation in Flow360 using the Blade Element Theory (Paper 1192)
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John Moore, Feilin Jia, Qiqi Wang

 

Operations

Operations

Technical Session E: Thurs. May 12, 2022 - 1:30 PM to 5:30 PM

Expectations, Test Results, and Lessons Learned, Flight Testing an RF DILR ALE (Paper 80)
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Bob Burzynski, Sid McManus, Mike Lengyel, Dan Ferrante

Impact of Transformative Air Vehicle Operations on Logistic Supply Chains (Paper 1316)
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Kaydon Stanzione, Daniel Schrage, Richard Ruff, Suresh Kannan

Operations Study on a Multimodal Transport using Cargo eVTOL Aircrafts and High-Speed Rail (Paper 1306)
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Yu Ito, Haruki Tsuge

Scenario-based study of using Civilian Cargo eVTOL Aerial System for Counter Catastrophic-Disaster Mission (Paper 1246)
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Haruki Tsuge, Yu Ito

SmartHangars and SAE International Aircraft Charging Standard (Paper 1210)
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Joshua Portlock, Richard Watson

The Bambi Bucket: Evolution of the Most Versatile Aerial Firefighting Tool (Paper 1178)
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Robert Roedts

 

Product Support Systems Technology

Product Support

Technical Session A: Tues. May 10, 2022 - 8:00 AM to 12:00 PM

Application of MSG-3 Maintenance to the Bell 525 (Paper 1269)
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Corey Mooney, Jim Ciazinski

Automated Tracking and Forms Management of Serialized Parts (Paper 1168)
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Steve Schoonveld, Corey Pearce, Mike Augustin, Dy Le, John Moffatt

Bolt Hole Corrosion and Fatigue Damage Repair in Hybrid Vertical Lift Structure (Paper 1244)
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Jude Restis, Mike Dubberly

Optimizing Battery Life in Conventional Helicopters: Selection, Charging, Storage, and Maintenance (Paper 22)
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Mike Neus, Jerome Powell, Collin Zreet

Rotorcraft Digital Twin: Exploiting On-board Data for Enhancing Sustainment and Operational Availability (Paper 1206)
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Avinash Sarlashkar, Matt Harrigan, Raymond Beale, Jared Kloda, Mark Kruse, Dennis Vanill

Scheduled Maintenance Program Development for the Leonardo AW609 Tiltrotor via the Maintenance Review Board Process Utilizing MSG-3 (Paper 1243)
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Titos Gosalvez, Nicholas Flynn

 

Propulsion

Propulsion I

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Advanced Data analytics for Dynamic Systems Monitoring (Paper 1162)
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Océane Martin, Ammar Mechouche, Emmanuel Mermoz

CFD Modeling Framework Development for Robust Rotorcraft Design (Paper 1140)
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Shyam Neerarambam, Donald Lamb, Jon Frydman, Dustin Coleman, Charles Berezin, Rebecca Cotton, Michael Alexander, Nolan Birtwell, Dana Halline, Daniel Bernier

Dynamic Load Analysis of Motion Converter Ball Bearings in a Pericyclic Transmission (Paper 89)
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Nick Weinzapfel, Nathan Bolander, Tanmay Mathur, Hans DeSmidt, Edward Smith

Dynamic Simulation of a Rotor System with Variable Speed (Paper 1217)
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Michael Weigand, Mario Bischläger, Christopher Gross, Jonas Koch, Agnes Poks

Integrating a Torque Measurement System for the GE T408 Engine into a CH-47D Chinook (Paper 99)
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Daniel Kakaley, Gary Martin, Caryn Kopay, Scott Kennedy, Robert Kyff, Kenneth Durbin, Gregory Lane, Kevin Ignatuk

Relative Adhesive Wear Performance of Rolling Element Bearing Material Pairs (Paper 96)
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Robert Sadinski, Carl Hager, Dave Prock

Propulsion II

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

A Semi-empirical Method to Predict Motor Heat Transfer Coefficient for SUAS Conceptual Design (Paper 1284)
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Farid Saemi, Moble Benedict

Design Concepts to Meet EASA SC-VTOL-01 Single Failure Criteria (Paper 1294)
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Patrick Darmstadt, Sheevangi Pathak, Tim Krantz, Mark Valco

Rotorcraft Propulsion System Hybridization for Enhanced Safety and Performance (Paper 1304)
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Peter Giannola, Gerry McCann, John C. Ho, Mars Chan

 

Safety

Safety

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

A Method to Reduce Rotorcraft Development Risk by Integrating Historical Quantitative Risk Assessment into Fault Tree Models (Paper 1276)
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John Hewitt, Loan (Joan) Pham

A Structured and Comprehensive Air Vehicle Risk Assessment (Paper 76)
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Laurence Mutuel

Physics-Based Detection of the Proximity to Loss of Tail Rotor Effectiveness Within the Helicopter Flight Data Monitoring Program (Paper 41)
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Paola Zanella, J.V.R. Prasad, Charles Johnson, Dimitri Mavris

Safety Considerations on the Operation of Electric Vertical and Takeoff Landing (VTOL) Aircraft at Airports and Vertiports (Paper 104)
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Gaël Le Bris, Loup-Giang Nguyen

The Safety of Advanced Air Mobility and the Effects of Wind in the Urban Canyon (Paper 1152)
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Sharon Schajnoha, Guy Larose, Maryam Al Labbad, Hali Barber, Alanna Wall

 

Structures and Materials

Structures and Materials I

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

Comparison of Helicopter Component Fatigue Test Results to Analysis (Paper 75)
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James Michael, Leigh Altman, Nathan Green

Development of a 3D Braided Preform for a Rotorcraft Flex-beam (Paper 1127)
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Christopher Pastore, Dean Nguyen, Tommy Chen, Stanley Ng, Benny Ong, Hoa Lam, Maury Grudza, Dave Jann, Robert Ciccarelli, Tiffany Liao

Housing and Bearing Deformation Interaction of Large Size Bearings (Paper 43)
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Biqiang (Johnny) Xu

Improved Strain Gage Instrumentation Strategies for Rotorcraft Blade Measurements (Paper 88)
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Timothy Davis

Nonlinear Finite Element Analysis of a Sharp Radius on the Shank of a Ring Locked Stud (Paper 1150)
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Lin Liu, David Binney

The Application of Sandwich Technology to the Airframe Structure of Helicopters (Paper 73)
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Rainer Arelt, Stefan Goerlich, Jan-Christoph Arent, Benjamin Hailer, Mathias Dambaur

Vitrimer Carbon Fiber Composites for Rotorcrafts Components with Fatigue Reverse Ability (Paper 1141)
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Mithil Kamble, Sikharin Pranompont, Catalin R Picu, Nikhil Koratkar

Structures and Materials II

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

Airframe Structural Sizing Automation (Paper 1229)
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Anthony Joseph, Robert Daley, Anne Koeppel

Verification and Validation (V&V) of Numerical Helicopter Airframe Model for Dynamic and Static Finite Element Analysis (Paper 7)
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Junhyeon Seo, Srivatsa Bhat Kaudur, Mayank Agarwal, Rakesh K. Kapania, Courtney Fisher, Larry Pilkington

 

System Engineering Tools/Processes

System Engineering

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

Fifty Years of Innovation in Performance Limit Indicator (A success story of Airbus Helicopters contribution, to helicopter fleet safety , by simplifying piloting and reducing workload) (Paper 38)
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Serge Germanetti

Preview of an Enterprise Product Architecture (EPA) to Support a Modular Open Systems Approach (MOSA) (Paper 1226)
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Thomas DuBois

Sikorsky Airframe Full Spectrum Customer/Supplier Collaboration (Paper 1122)
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Darryl Toni

 

Test and Evaluation

Test and Evaluation I

Technical Session C: Wed. May 11, 2022 - 1:45 PM to 6:00 PM

Automatic Category A Takeoff for H145 – Development and Flight Testing (Paper 111)
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Carl Ockier, Daniel Reber, Marc Salesse-Lavergne, Paul Prevost

Energy-Maneuverability as a Framework for Performance and Handling Qualities Testing (Paper 1300)
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John Tritschler, Brandon Dotson

eVTOL Component Testing for Supporting Algorithmic Icing Detection (Paper 1248)
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Robert McKillip

Flight Test Validation of Thrust Axis Tactile Cueing System on AW609 Tiltrotor (Paper 1262)
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Lucia DeNicola, Luca Belluomini, Sid Xiao, Ahmad Haidar

Full-Scale Investigation of Rotor/Obstacle Interactions using an Elevated Fixed Platform (Paper 1153)
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Mark Silva, Eric Hayden, Leighton Myers, John Tritschler, John Holder

Lichten Award Paper: Automated Optical Rotor Blade Tip Clearance Tracking Using Artificial Intelligence Algorithms (Paper 1325)
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Timothy Schmidt

Thermodynamic Modeling for the Analysis of Non-Stabilized Flight Test Temperature Data (Paper 15)
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Denis Hamel, Carson Allgood, Thomas Cooper, Alexander Kolarich

Test and Evaluation II

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

Dynamic Stall Investigation on a Rotating semi-elastic Double-swept Rotor Blade at the Rotor Test Facility Göttingen (Paper 110)
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Martin Müller, Armin Weiss, Johannes Niklas Braukmann

Model Based Blade Attachment Stiffness Evaluation of the MERIT Rotor in Hover with Photogrammetry and Digital Image Correlation (Paper 1252)
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Verena Heuschneider, Florian Berghammer, Amine Abdelmoula, Manfred Hajek, Jayant Sirohi

Practical Aspects of Designing Background-oriented Schlieren (BOS) Experiments for Vortex Measurements (Paper 1224)
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Clemens Schwarz, Johannes N. Braukmann

RACER Compound Helicopter: Operational Wireless FTI Data Transfer from ROTOR's up to Fuselage (Paper 1171)
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Marc Seznec, Jean Grégoire Ivanoff

 

Unmanned VTOL Aircraft and Rotorcraft

Unmanned I

Technical Session B: Wed. May 11, 2022 - 8:00 AM to 12:15 PM

A Novel Co-simulation framework for Verification and Validation of GNC Algorithms for Autonomous UAV (Paper 77)
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Victor Dezobry, Federico Cappuzzo, Domenico Bianchi, Stefano Di Gennaro

Acceleration of Heuristic Motion Planning for Unmanned Aerial Vehicles (Paper 1200)
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Neelanga Thelasingha, Kaushik Nallan, A. Agung Julius, Sandipan Mishra

Feature-Based Vision For Stochastic Motion Tracking Under Partial Occlusion (Paper 1208)
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Abhishek Shastry, Anubhav Datta, Inderjit Chopra

Transition Trajectory Planning and Control for Quadrotor Biplanes in Obstacle Cluttered Environments (Paper 1228)
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Kristoff McIntosh, Jean-Paul Reddinger, Jae Woo Kim, Sandipan Mishra

Unmanned II

Technical Session D: Thurs. May 12, 2022 - 10:15 AM to 12:15 PM

A Study of the Influence of Motor-ESC Dynamics on Multi Rotor Vehicle Disturbance Rejection (Paper 91)
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Rhys Lehmann, Stef Ceelen

Flight Test Measurement of Quadrotor Performance at Varying Sideslip Angles (Paper 1258)
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Matthew McCrink, Dhuree Seth, Sage Herz

Simulation Model Update and Optimized Control Design of a Sub-Scale Flybarless Helicopter (Paper 107)
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Jeffry Walker, Mark Tischler

Validation of Scanned Propeller Geometry for Simulation Modeling (Paper 1231)
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Jean-Paul Reddinger, Michael Avera, Rajneesh Singh