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Design and Sizing of High-Speed Compound Rotorcraft

Weiand, Peter and Atci, Kagan and Schwinn, Dominik and Becker, Richard-Gregor (2023) Design and Sizing of High-Speed Compound Rotorcraft. Deutscher Luft- und Raumfahrtkongress 2023, 2023-09-19 - 2023-09-21, Stuttgart.

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High-speed configurations are among the new emerging concepts that are currently expanding the scope of rotorcraft design. Especially in the field of defense technology research, the capability of a substantial increase of maximum velocity becomes more interesting. The NATO project NGRC is considering this capability. DLR supports these activities by its continuing defense technology research. In this study the benefits and drawbacks of a high-speed capability for a given mission scenario is analyzed. For a contemporary reference configuration, a NATO generic rotorcraft has been modelled featuring a maximum take-off mass of about 10t and a maximum velocity of 82 m/s (160 KTAS). The reference was analyzed in order to derive a set of design requirement for the rotorcraft available. These requirements were also applied to the high-speed rotorcraft, except the maximum velocity was increase about 50% to 125 m/s (242 KTAS). All tasks in this study are conducted with DLRs integrated design environment IRIS. The high-speed configuration features an off-loaded main rotor, a wing, a propeller and a reduction of the rotational speed of the drive train for the extended flight envelope. Sizing has been conducted leading to an apparent increase of design mass. The reference configuration, as well as the high-speed rotorcraft were compared, with the focus on characteristics and flight performance.

Item URL in elib:https://elib.dlr.de/200026/
Document Type:Conference or Workshop Item (Speech)
Title:Design and Sizing of High-Speed Compound Rotorcraft
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Weiand, PeterUNSPECIFIEDhttps://orcid.org/0000-0002-0964-6225UNSPECIFIED
Atci, KaganUNSPECIFIEDhttps://orcid.org/0000-0002-4975-4458161350236
Schwinn, DominikUNSPECIFIEDhttps://orcid.org/0000-0003-2341-9632UNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Rotorcraft; Design; High-Speed Configuration; Compound Rotorcraft;
Event Title:Deutscher Luft- und Raumfahrtkongress 2023
Event Location:Stuttgart
Event Type:national Conference
Event Start Date:19 September 2023
Event End Date:21 September 2023
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Efficient Vehicle
DLR - Research area:Aeronautics
DLR - Program:L EV - Efficient Vehicle
DLR - Research theme (Project):L - Virtual Rotorcraft and Validation
Location: Braunschweig , Stuttgart
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Institute of Structures and Design > Structural Integrity
Institute of Propulsion Technology > Engine
Deposited By: Weiand, Peter
Deposited On:11 Jun 2024 10:44
Last Modified:21 Jun 2024 08:34

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