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Improved Occupant Crash Safety in Helicopters

Lützenburger, Marius (2008) Improved Occupant Crash Safety in Helicopters. In: 34th European Rotorcraft Forum. 34th European Rotorcraft Forum, 2008-09-16 - 2008-09-19, Liverpool (UK). ISBN 1-85768-207-6. (nicht veröffentlicht)

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Kurzfassung

The objective of the European project 'HeliSafe TA' was to improve the survivability of occupants in helicopter crashes and to minimise the risk of injuries. This was achieved by an advanced safety system concept based on interacting safety features such as enhanced safety seats, improved harness systems and deployment of airbags. A key feature of ‘HeliSafe TA’ was the application of numerical simulation tools to predict cabin and occupant response to crash loads in order to optimise the layout of the safety system. For the verification of the simulation models and in order to generate a broad load data base, three fully instrumented drop tests were carried out in Europe’s most extensive helicopter crash test programme to date. Furthermore, numerous sled tests with two generic helicopter mock-ups were conducted. The paper gives a brief overview on HeliSafe TA with emphasis on DLR’s contribution to the project. DLR was responsible for the crash simulation of the full-scale helicopter drop tests and the definition of acceleration pulses in the sled test programme. Detailed simulation models of the cockpit mock-up were developed which included the pilot dummy and safety features such as the energy absorbing seat and the belts. With the verified models, DLR carried out different parametric studies in order to optimise the properties of the energy absorbers used in the cockpit seats and to propose a concept which leads to the lowest possible injury rates for occupants of different weights and sizes. Optimised adaptive and non-adaptive attenuator systems were then proposed.

Dokumentart:Konferenzbeitrag (Vortrag, Paper)
Titel:Improved Occupant Crash Safety in Helicopters
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Lützenburger, MariusNICHT SPEZIFIZIERT
Datum:17 September 2008
Erschienen in:34th European Rotorcraft Forum
Herausgeber:
HerausgeberInstitution und/oder E-Mail-Adresse der Herausgeber
Royal Aeronautical Society, NICHT SPEZIFIZIERT
ISBN:1-85768-207-6
Status:nicht veröffentlicht
Stichwörter:Helicopter, crash test, crashworthiness, simulation, occupant safety, DRI-KRASH, MADYMO
Veranstaltungstitel:34th European Rotorcraft Forum
Veranstaltungsort:Liverpool (UK)
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:2008-09-16 - 2008-09-19
Veranstalter :Royal Aeronautical Society
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Luftfahrt
HGF - Programmthema:Drehflügler
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L RR - Drehflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Der robuste Drehflügler
Standort: Stuttgart
Institute & Einrichtungen:Institut für Bauweisen- und Konstruktionsforschung > Strukturelle Integrität
Hinterlegt von: Marius Lützenburger
Hinterlegt am:14 Jan 2009
Letzte Änderung:27 Apr 2009 15:35

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