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Integration Strategies for a Fuel-Driven Range Extender on a 19-Seater Battery-Electric Aircraft

Balack, Philip (2023) Integration Strategies for a Fuel-Driven Range Extender on a 19-Seater Battery-Electric Aircraft. Deutscher Luft- und Raumfahrtkongress 2023, 2023-09-19 - 2023-09-21, Stuttgart, Deutschland.

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Abstract

In the government funded LuFo-project TELEM, a battery-electric concept with a fuel-driven range extender has been selected as the most promising aircraft configuration to improve the energy efficiency while aiming to minimize the additional cost brought about by the hybrid-electric power train. Different installation options for the range-extender, such as the nose and the aft section of the fuselage as well as on top behind the wing and in a nacelle, are discussed. The installation in the front and aft section of the fuselage stand out to be two good options and are therefore compared on a quantitative level. Conceptual aircraft design models are created for the hybrid-electric concepts as well as a conventional reference aircraft model based on the Do228 commuter aircraft employing an adapted version of the tool openAD. Furthermore, a fleet-level energy consumption assessment against the reference aircraft is carried out and results in a quasi-parity between the front- and aft-integrated range extenders. A technology scenario with an entry-into-service in 2035 was selected for the electric components. In this scenario large double-digit reductions in energy and fuel consumption compared to the reference aircraft are achieved. This excludes structural or aerodynamic improvements of the airframe and is only driven by the integration of the hybrid-electric concept.

Item URL in elib:https://elib.dlr.de/197473/
Document Type:Conference or Workshop Item (Speech)
Title:Integration Strategies for a Fuel-Driven Range Extender on a 19-Seater Battery-Electric Aircraft
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Balack, PhilipUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:20 September 2023
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hybrid-Electric Aircraft, Battery-Electric Aircraft, Range-Extender, Commuter Aircraft, Plug-In Hybrid, Aircraft Design
Event Title:Deutscher Luft- und Raumfahrtkongress 2023
Event Location:Stuttgart, Deutschland
Event Type:national Conference
Event Start Date:19 September 2023
Event End Date:21 September 2023
Organizer:Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V.
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 - Aircraft Technologies and Integration
Location: Hamburg
Institutes and Institutions:Institute of System Architectures in Aeronautics > Aircraft Design and System Integration
Deposited By: Balack, Philip
Deposited On:13 Oct 2023 14:28
Last Modified:24 Apr 2024 20:57

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