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Experimental study of lag-twist coupling concept for rotor blade application

Huaiyuan Gu, Mohammadreza Amoozgar, Alexander Shaw Orcid Logo, Jiaying Zhang Orcid Logo, Chen Wang, Michael Friswell

Composite Structures, Volume: 275, Start page: 114417

Swansea University Authors: Huaiyuan Gu, Mohammadreza Amoozgar, Alexander Shaw Orcid Logo, Jiaying Zhang Orcid Logo, Michael Friswell

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DOI (Published version): 10.1016/j.compstruct.2021.114417

Abstract

A novel passive twist morphing concept is examined for helicopter blades. The concept is demonstrated using a thin-walled rectangular composite beam created with symmetric layup to obtain bend-twist property. The twist of a rotor blade is proposed to be actuated though a movable mass at the blade ti...

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Published in: Composite Structures
ISSN: 0263-8223
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57473
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spelling 2021-12-02T11:20:57.7014714 v2 57473 2021-07-29 Experimental study of lag-twist coupling concept for rotor blade application db93d83569b09f82342a8a52b7a3cdf2 Huaiyuan Gu Huaiyuan Gu true false 56910e9937b39a1a96d6252845c385d3 Mohammadreza Amoozgar Mohammadreza Amoozgar true false 10cb5f545bc146fba9a542a1d85f2dea 0000-0002-7521-827X Alexander Shaw Alexander Shaw true false 12b61893c794b14f11cf0a84cb947d0e 0000-0001-7308-5090 Jiaying Zhang Jiaying Zhang true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 2021-07-29 FGSEN A novel passive twist morphing concept is examined for helicopter blades. The concept is demonstrated using a thin-walled rectangular composite beam created with symmetric layup to obtain bend-twist property. The twist of a rotor blade is proposed to be actuated though a movable mass at the blade tip which is able to provide a range of lagwise bending moment during rotation as a result of the centrifugal force. First a set of static bending test is performed which provides detailed characterisation of the deformation and strain distribution of the composite beam subjected to a number of bending loads. The results of the experiment fully verify numerical predictions including finite element approach (FE) and beam cross sectional analysis. A series of simulations are then conducted using the verified numerical model to demonstrate how the desired twist can be effectively achieved by manipulating the size and location of the mass. Journal Article Composite Structures 275 114417 Elsevier BV 0263-8223 1 11 2021 2021-11-01 10.1016/j.compstruct.2021.114417 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2021-12-02T11:20:57.7014714 2021-07-29T12:50:41.4120752 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Huaiyuan Gu 1 Mohammadreza Amoozgar 2 Alexander Shaw 0000-0002-7521-827X 3 Jiaying Zhang 0000-0001-7308-5090 4 Chen Wang 5 Michael Friswell 6 57473__20485__09ba7f8af930424297d56eb6357c2de8.pdf 57473.pdf 2021-07-29T12:52:26.7601434 Output 1797128 application/pdf Accepted Manuscript true 2022-07-28T00:00:00.0000000 ©2021 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title Experimental study of lag-twist coupling concept for rotor blade application
spellingShingle Experimental study of lag-twist coupling concept for rotor blade application
Huaiyuan Gu
Mohammadreza Amoozgar
Alexander Shaw
Jiaying Zhang
Michael Friswell
title_short Experimental study of lag-twist coupling concept for rotor blade application
title_full Experimental study of lag-twist coupling concept for rotor blade application
title_fullStr Experimental study of lag-twist coupling concept for rotor blade application
title_full_unstemmed Experimental study of lag-twist coupling concept for rotor blade application
title_sort Experimental study of lag-twist coupling concept for rotor blade application
author_id_str_mv db93d83569b09f82342a8a52b7a3cdf2
56910e9937b39a1a96d6252845c385d3
10cb5f545bc146fba9a542a1d85f2dea
12b61893c794b14f11cf0a84cb947d0e
5894777b8f9c6e64bde3568d68078d40
author_id_fullname_str_mv db93d83569b09f82342a8a52b7a3cdf2_***_Huaiyuan Gu
56910e9937b39a1a96d6252845c385d3_***_Mohammadreza Amoozgar
10cb5f545bc146fba9a542a1d85f2dea_***_Alexander Shaw
12b61893c794b14f11cf0a84cb947d0e_***_Jiaying Zhang
5894777b8f9c6e64bde3568d68078d40_***_Michael Friswell
author Huaiyuan Gu
Mohammadreza Amoozgar
Alexander Shaw
Jiaying Zhang
Michael Friswell
author2 Huaiyuan Gu
Mohammadreza Amoozgar
Alexander Shaw
Jiaying Zhang
Chen Wang
Michael Friswell
format Journal article
container_title Composite Structures
container_volume 275
container_start_page 114417
publishDate 2021
institution Swansea University
issn 0263-8223
doi_str_mv 10.1016/j.compstruct.2021.114417
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description A novel passive twist morphing concept is examined for helicopter blades. The concept is demonstrated using a thin-walled rectangular composite beam created with symmetric layup to obtain bend-twist property. The twist of a rotor blade is proposed to be actuated though a movable mass at the blade tip which is able to provide a range of lagwise bending moment during rotation as a result of the centrifugal force. First a set of static bending test is performed which provides detailed characterisation of the deformation and strain distribution of the composite beam subjected to a number of bending loads. The results of the experiment fully verify numerical predictions including finite element approach (FE) and beam cross sectional analysis. A series of simulations are then conducted using the verified numerical model to demonstrate how the desired twist can be effectively achieved by manipulating the size and location of the mass.
published_date 2021-11-01T04:13:14Z
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