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Conceptual Design and Preliminary Analysis of Short Range Aircraft Concepts with Hybrid Electric Propulsion

Iwanizki, Michael and Strack, Matthias and Zimmer, Dirk and Plohr, Martin (2018) Conceptual Design and Preliminary Analysis of Short Range Aircraft Concepts with Hybrid Electric Propulsion. 18. ONERA-DLR Aerospace Symposium (18. ODAS), 2018-05-03 - 2018-05-05, Bonn, Deutschland. (Unpublished)

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Hybrid electric propulsion enables significant configurational changes which can improve aerodynamic performance and structural weight, thus leading to more efficient aircraft. In the scope of Clean Sky 2 ONERA, TU Delft, NLR, and DLR elaborated a number of promising hybrid electric configurations for a typical short range mission transporting 150 passengers at Mach 0.78. The entry into service is envisaged for 2035. Twelve of these concepts have been analyzed at the conceptual aircraft design level at DLR. The results show a reduction potential of the block energy up to 6% compared to the conventional reference configuration with the same technology level. The drivers for the improvement are distributed propulsion enabling powered yaw control, boundary layer ingestion, and more efficient gas turbines supported by electric motors. Further sensitivity studies show the impact of the individual technologies at aircraft level. In this paper, the background information for hybrid electric propulsion is given, the applied methodology of the sizing process is explained, the analyzed aircraft configurations are described, the analysis process is depicted, the results are shown and discussed, the conclusion is drawn, and an outlook related to subsequent work is presented.

Item URL in elib:https://elib.dlr.de/121496/
Document Type:Conference or Workshop Item (Speech)
Title:Conceptual Design and Preliminary Analysis of Short Range Aircraft Concepts with Hybrid Electric Propulsion
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Plohr, MartinUNSPECIFIEDhttps://orcid.org/0000-0002-6165-0838UNSPECIFIED
Date:3 May 2018
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:conceptual aircraft design, hybrid electric propulsion, short range mission, Clean Sky 2, ADEC
Event Title:18. ONERA-DLR Aerospace Symposium (18. ODAS)
Event Location:Bonn, Deutschland
Event Type:international Conference
Event Start Date:3 May 2018
Event End Date:5 May 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - no assignment
Location: Braunschweig , Hamburg , Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology
Institute of Propulsion Technology
Institute of System Architectures in Aeronautics
Institute of System Dynamics and Control
Deposited By: Iwanizki, Michael
Deposited On:10 Dec 2018 11:30
Last Modified:24 Apr 2024 20:25

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