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DESIGN AND EVALUATION OF ACTUATION SYSTEMS FOR POSITION VARIABLE SHOCK CONTROL BUMPS

Schäfer, Michael and Lübbe, Sascha Mike and Goerttler, Andreas and Künnecke, Sven Christian and Bertram, Oliver (2023) DESIGN AND EVALUATION OF ACTUATION SYSTEMS FOR POSITION VARIABLE SHOCK CONTROL BUMPS. In: Deutscher Luft- und Raumfahrtkongress DLRK 2023. Deutscher Luft- und Raumfahrtkongress DLRK 2023, 2023-09-19 - 2023-09-21, Stuttgart, Deutschland.

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Abstract

A shock control bump (SCB) on the wing of a transonic airfoil can reduce the drag coefficient. However, a permanently active bump can also have negative effects and thus cannot be active over the entire flight envelope. Therefore, an adaptive SCB is required to take advantage in certain flight phases without having a negative effect on the flight in other phases. A position variable SCB can cover a larger flight range than a position fixed SCB. The system design process for a position variable SCB is strongly driven by interdisciplinary considerations, as both aerodynamic and structural boundary conditions have to be addressed. This paper describes the conceptual design process of such an SCB system, with the design of the actuating system and the analysis of the available installation space being the main focus of this work. The process starts with a preliminary design of the kinematic points of the actuation system. From the kinematic design and the provided aerodynamic loads, initial performance requirements for the actuator are derived. In the next step, three-dimensional models of different actuator technologies are automatically generated based on the performance requirements. Within the model environment, an installation space analysis can then be carried out in greater detail to further determine the integrability of the system. To investigate different concepts and apply the process to different wings, many steps of the process are automated or semi-automated. Based on the system design and the inclusion of aspects from aerodynamics and structure, a concept for a position variable SCB system was defined. Finally, the design was evaluated at aircraft level based on a flight mission.

Item URL in elib:https://elib.dlr.de/197665/
Document Type:Conference or Workshop Item (Speech)
Title:DESIGN AND EVALUATION OF ACTUATION SYSTEMS FOR POSITION VARIABLE SHOCK CONTROL BUMPS
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Schäfer, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lübbe, Sascha MikeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Goerttler, AndreasUNSPECIFIEDhttps://orcid.org/0000-0002-8315-1298UNSPECIFIED
Künnecke, Sven ChristianUNSPECIFIEDhttps://orcid.org/0000-0002-7139-3492UNSPECIFIED
Bertram, OliverUNSPECIFIEDhttps://orcid.org/0000-0002-7732-9280143954732
Date:21 September 2023
Journal or Publication Title:Deutscher Luft- und Raumfahrtkongress DLRK 2023
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Shock Control Bump, SCB, actuation system, system design
Event Title:Deutscher Luft- und Raumfahrtkongress DLRK 2023
Event Location:Stuttgart, Deutschland
Event Type:national Conference
Event Start Date:19 September 2023
Event End Date:21 September 2023
Organizer:DGLR e.V.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Aircraft Systems
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Safety Critical Systems&Systems Engineering
Institut für Systemleichtbau > Adaptronics
Institute for Aerodynamics and Flow Technology > High Speed Configurations, GO
Deposited By: Schäfer, Michael
Deposited On:09 Oct 2023 08:10
Last Modified:24 Apr 2024 20:57

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