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Results from Loads and Aeroelastic Analyses of a High Altitude, Long Endurance, Solar Electric Aircraft

Voß, Arne and Handojo, Vega and Weiser, Christian and Niemann, Steffen (2022) Results from Loads and Aeroelastic Analyses of a High Altitude, Long Endurance, Solar Electric Aircraft. Journal of Aeroelasticity and Structural Dynamics, 9 (1), pp. 1-22. Department of Aerospace Engineering of Politecnico di Milano. doi: 10.3293/asdj.2021.58. ISSN 1974-5117.

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Official URL: https://www.asdjournal.org/index.php/ASD/article/view/58

Abstract

This work presents the results of comprehensive loads and aeroelastic analyses for the design of the high altitude, long endurance, solar electric aircraft HAP. To ensure a sophisticated design, a large number of maneuver, gust, gyroscopic and landing loads cases are considered. The structural sizing results in a total primary structural mass of 38.4 kg, which is very low considering the wing span of ~28.0 m. The extreme light-weight construction (wing loading ~4.0 kg/m^2) leads to a highly flexible aircraft, making aeroelastic analyses mandatory. Results of static and dynamic aeroelastic analyses are presented, showing that the resulting design is plausible from an aeroelastic point of view.

Item URL in elib:https://elib.dlr.de/147956/
Document Type:Article
Title:Results from Loads and Aeroelastic Analyses of a High Altitude, Long Endurance, Solar Electric Aircraft
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Voß, ArneArne.Voss (at) dlr.dehttps://orcid.org/0000-0003-2266-7853
Handojo, Vegavega.handojo (at) dlr.dehttps://orcid.org/0000-0001-6030-2383
Weiser, ChristianChristian.Weiser (at) dlr.dehttps://orcid.org/0000-0002-2968-6961
Niemann, SteffenSteffen.Niemann (at) dlr.dehttps://orcid.org/0000-0001-9272-0635
Date:January 2022
Journal or Publication Title:Journal of Aeroelasticity and Structural Dynamics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:9
DOI :10.3293/asdj.2021.58
Page Range:pp. 1-22
Publisher:Department of Aerospace Engineering of Politecnico di Milano
ISSN:1974-5117
Status:Published
Keywords:high altitude long endurance aircraft, HALE, UAV, maneuver loads, gust loads, landing loads, aeroelasticity, stability
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 - Unmanned Aerial Systems
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity > Loads Analysis and Aeroelastic Design
Institute of System Dynamics and Control > Aircraft System Dynamics
Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Voß, Arne
Deposited On:14 Jan 2022 17:18
Last Modified:14 Jan 2022 17:18

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