Flutter Analysis of a 3-D Box Wing with Distributed Electric Propulsion

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Flutter Analysis of a 3-D Box Wing with Distributed Electric Propulsion

Fazelzadeh, S. Ahmad / Mazidi, Abbas / Ghasemikaram, Amirhossein

Research into green aviation technology, including reduced noise and emissions, has grown quickly in recent years. In order to meet these goals, several new technology ideas are being investigated by aircraft designers, such as distributed electric propulsion (DEP) wings and box wing aircrafts (BWA). The present work evaluates the effects of electric engines arrangement on the box wing flutter boundary. Eight electric motors are placed on the front and rear wings. The governing equations are extracted using Hamilton’s Principle. The resulting partial integrodifferential governing equations are solved by semi-analytical methods. To apply the aerodynamic loading on the front and rear wings, Wagner unsteady model is used. Five different arrangements of electric motors are studied, and their effects on the flutter boundaries are presented. The analysis shows that for a pair of motors shut down, the maximum flutter speed occurs when motors No. 1, 2, and 3 are working. Also, for two and three pairs of motors shut down, the maximum flutter speed takes place when motors No. 1 and 3 and No. 2 are working, respectively.

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Dokumentinformationen

Titel :

Flutter Analysis of a 3-D Box Wing with Distributed Electric Propulsion

Weitere Titelangaben:

Sustainable aviat.

Beteiligte:

Karakoc, T. Hikmet (Herausgeber:in) / Letnik, Tomislav (Herausgeber:in) / Marksel, Maršenka (Herausgeber:in) / Ekmekci, Ismail (Herausgeber:in) / Dalkiran, Alper (Herausgeber:in) / Ercan, Ali Haydar (Herausgeber:in) / Fazelzadeh, S. Ahmad (Autor:in) / Mazidi, Abbas (Autor:in) / Ghasemikaram, Amirhossein (Autor:in)

Kongress:

International Symposium on Electric Aircraft and Autonomous Systems ; 2022 ; Maribor, Slovenia July 19, 2022 - July 21, 2022

Erschienen in:

Emerging Trends in Electric Aviation ; Kapitel : 5 ; 33-41

Sustainable Aviation

Erscheinungsdatum :

2023-08-24

Format / Umfang :

9 pages

ISBN :

978-3-031-37299-5 , 978-3-031-37298-8

ISSN :