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Application of a Multidisciplinary Design Process to Assess the Influence of Requirements and Constraints on the Design of Military Engines

Matuschek, Tomasz and Otten, Tom and Zenkner, Sebastian and Becker, Richard-Gregor and Zamboni, Jacopo and Moerland, Erwin (2023) Application of a Multidisciplinary Design Process to Assess the Influence of Requirements and Constraints on the Design of Military Engines. ASME Turbo Expo 2023, 2023-06-26 - 2023-06-30, Boston, USA. doi: 10.1115/GT2023-101426. ISBN 978-0-7918-8693-9.

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Abstract

The design of supersonic military aircraft is a complex multidisciplinary optimization (MDO) process in which the dependencies and strong interactions between engine and aircraft must be imperatively considered. Applying a fully coupled propulsion-airframe design system is a highly challenging task, since it requires a set of numerically stable analysis tools capable of optimizing multiple design variables simultaneously. To improve computational efficiency, the application of low-fidelity design of experiment (DOE) methods aid in narrowing down the selection of suitable combinations of design parameters. This approach allows the division of the multidisciplinary process into subsystems, each of which can be served by specialized engineers. Interactions between the disciplines are then considered by exchanging DOE-based sensitivities. This paper presents the multidisciplinary design process developed at the German Aerospace Center (DLR), – in which the airframe and propulsion system are designed simultaneously whilst effectively utilizing DOE-based sensitivities. Guiding the work is an application case on the preliminary design of military engine concepts considering its effects on overall integrated aircraft architecture. The design process is used to investigate the influence of important engine parameters such as overall pressure ratio (OPR), bypass ratio (BPR) and turbine entry temperature (T4) on the design of military aircraft. Furthermore, the impacts of thrust requirements and technological constraints of the engine are analyzed.

Item URL in elib:https://elib.dlr.de/199283/
Document Type:Conference or Workshop Item (Speech)
Title:Application of a Multidisciplinary Design Process to Assess the Influence of Requirements and Constraints on the Design of Military Engines
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Matuschek, TomaszUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Otten, TomUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zenkner, SebastianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Becker, Richard-GregorUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Zamboni, JacopoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Moerland, ErwinUNSPECIFIEDhttps://orcid.org/0000-0003-4818-936XUNSPECIFIED
Date:28 September 2023
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI:10.1115/GT2023-101426
Series Name:Volume 1: Aircraft Engine
ISBN:978-0-7918-8693-9
Status:Published
Keywords:Thermodynamics, Military Engine, Conceptual Design, Multidisciplinary Design Process, Supersonic Aircraft
Event Title:ASME Turbo Expo 2023
Event Location:Boston, USA
Event Type:international Conference
Event Start Date:26 June 2023
Event End Date:30 June 2023
Organizer:ASME
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Clean Propulsion
DLR - Research area:Aeronautics
DLR - Program:L CP - Clean Propulsion
DLR - Research theme (Project):L - Future Engines and Engine Integration
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Engine
Institute of System Architectures in Aeronautics > Aircraft Design and System Integration
Deposited By: Matuschek, Tomasz
Deposited On:25 Mar 2024 07:46
Last Modified:24 Apr 2024 20:59

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