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Crashworthiness and ditching behaviour of blended-wing-body (BWB) aircraft design

Sturm, Ralf and Hepperle, Martin (2015) Crashworthiness and ditching behaviour of blended-wing-body (BWB) aircraft design. International Journal of Crashworthiness, pp. 1-11. Taylor & Francis. DOI: 10.1080/13588265.2015.1068997 ISSN 1358-8265

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Official URL: http://dx.doi.org/10.1080/13588265.2015.1068997

Abstract

Over the last few decades, the fuel efficiency of aircrafts was mainly improved by the application of refined aerodynamics, new materials, structural optimization and enhanced engine performance. A further potential for a greener aircraft is seen in the unconventional blended-wing-body (BWB) design configuration due to its advanced aerodynamic design and its reduced weight. For the certification of novel aircraft configurations, the airworthiness authorities require proof of at least equivalent safety standards compared to the existing conventional transport aircraft. In this context, the BWB configuration has to demonstrate sufficient crashworthiness for emergency landing on rigid surface and on water. Since structural modifications for improved safety should be applied in the early conceptual design phase of an aircraft, explicit simulations have been performed with the objective to estimate the crash behaviour of the BWB configuration. Based on the simulation results, design principles are derived for improved crashworthiness and ditching behaviour for the BWB aircraft configuration.

Item URL in elib:https://elib.dlr.de/113091/
Document Type:Article
Title:Crashworthiness and ditching behaviour of blended-wing-body (BWB) aircraft design
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sturm, RalfRalf.Sturm (at) dlr.deUNSPECIFIED
Hepperle, Martinmartin.hepperle (at) dlr.deUNSPECIFIED
Date:4 August 2015
Journal or Publication Title:International Journal of Crashworthiness
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1080/13588265.2015.1068997
Page Range:pp. 1-11
Publisher:Taylor & Francis
ISSN:1358-8265
Status:Published
Keywords:structural integrity; crashworthiness; ditching; blended-wing-body; flying wing; emergency landing; aircraft
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Sturm, Ralf
Deposited On:06 Oct 2017 11:34
Last Modified:06 Sep 2019 15:18

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