Formulation for flutter and vibration analysis of a hingeless helicopter blade in hover: part II. Results of flutter stability and vibration analysis of a hingeless helicopter blade in hover

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Formulation for flutter and vibration analysis of a hingeless helicopter blade in hover: part II. Results of flutter stability and vibration analysis of a hingeless helicopter blade in hover

Ozdemir Ozgumus, Ozge / Kaya, Metin O.

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This study aims to carry out flutter stability and vibration analysis of a uniform hingeless rotor blade in hovering flight conditions.

Design/methodology/approach –

The perturbation equations are obtained using the governing differential equations of motion derived in Part I (Aircraft Engineering and Aerospace Technology, Vol. 79 No. 2, 2007). The differential transform method (DTM) is applied to the perturbation equations of motion and the transformed equations are coded in the computer package Mathematica.

Findings –

The effects of the built-in pretwist angle and the rotational speed ratio on the natural frequencies are investigated and the results are compared with the results in literature.

Originality/value –

This study, in carrying out an analysis of flutter stability and vibration of a uniform hingless rotor blade, is in good agreement with previous studies in the literature.

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Dokumentinformationen

Titel :

Formulation for flutter and vibration analysis of a hingeless helicopter blade in hover: part II. Results of flutter stability and vibration analysis of a hingeless helicopter blade in hover

Beteiligte:

Ozdemir Ozgumus, Ozge (Autor:in) / Kaya, Metin O. (Autor:in)

Erschienen in:

Aircraft Engineering and Aerospace Technology ; 79 , 3 ; 231-237

Erscheinungsdatum :

2007-05-22

Format / Umfang :

7 pages

ISSN :

0002-2667

DOI :

https://doi.org/10.1108/00022660710743822