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Aerodynamic performance of electro-active acrylic membrane wings

Aerodynamic performance of electro-active acrylic membrane wings
Aerodynamic performance of electro-active acrylic membrane wings

Electro-active materials offer, due to their multivariate compliant nature, a great potential for integrating the lift-producing system and the control system into one. This work presents the first step in describing the aerodynamic performance of such materials and focuses on understanding the nature of such materials in aerodynamic applications. Load measurements are conducted in a wind tunnel for acrylic-based membranes supported in a perimeter-reinforced frame at different prestrains to determine which prestrain offers the widest range of controllability. Furthermore, photogrammetry and load measurements are conducted at zero prestrain for no-voltage and constant-voltage conditions. The resulting data show that, from a controllability standpoint as well as from a lift and aerodynamic performance standpoint, lower prestrains are more favorable. The resulting data also show that, at zero prestrain, the membrane damps most fluid-membrane interaction instabilities resulting in low-level membrane vibrations.

0001-1452
4243-4260
Barbu, A.
77ac4d13-cc5a-4049-acb0-e311959416ba
De Kat, R.
d46a99a4-8653-4698-9ef4-46dd0c77ba5d
Ganapathisubramani, B.
5e69099f-2f39-4fdd-8a85-3ac906827052
Barbu, A.
77ac4d13-cc5a-4049-acb0-e311959416ba
De Kat, R.
d46a99a4-8653-4698-9ef4-46dd0c77ba5d
Ganapathisubramani, B.
5e69099f-2f39-4fdd-8a85-3ac906827052

Barbu, A., De Kat, R. and Ganapathisubramani, B. (2018) Aerodynamic performance of electro-active acrylic membrane wings. AIAA Journal, 56 (11), 4243-4260. (doi:10.2514/1.J056241).

Record type: Article

Abstract

Electro-active materials offer, due to their multivariate compliant nature, a great potential for integrating the lift-producing system and the control system into one. This work presents the first step in describing the aerodynamic performance of such materials and focuses on understanding the nature of such materials in aerodynamic applications. Load measurements are conducted in a wind tunnel for acrylic-based membranes supported in a perimeter-reinforced frame at different prestrains to determine which prestrain offers the widest range of controllability. Furthermore, photogrammetry and load measurements are conducted at zero prestrain for no-voltage and constant-voltage conditions. The resulting data show that, from a controllability standpoint as well as from a lift and aerodynamic performance standpoint, lower prestrains are more favorable. The resulting data also show that, at zero prestrain, the membrane damps most fluid-membrane interaction instabilities resulting in low-level membrane vibrations.

Full text not available from this repository.

More information

Accepted/In Press date: 19 June 2018
e-pub ahead of print date: 5 October 2018
Published date: November 2018

Identifiers

Local EPrints ID: 427312
URI: https://eprints.soton.ac.uk/id/eprint/427312
ISSN: 0001-1452
PURE UUID: 654bf2c9-2c98-40c2-85c1-2b7ff67de60e
ORCID for R. De Kat: ORCID iD orcid.org/0000-0002-6851-4409
ORCID for B. Ganapathisubramani: ORCID iD orcid.org/0000-0001-9817-0486

Catalogue record

Date deposited: 11 Jan 2019 17:30
Last modified: 14 Mar 2019 01:37

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