Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles

In the present study, the aerodynamic characteristics such as time-averaged lift and drag generation of two flexible membrane (latex thin and thick) wings with different skin flexibilities are compared with those of a conventional rigid (wood) wing to assess the effects of skin flexibility (rigidity...

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Main Authors:	Hamid, Yusoff, M. Z., Abdullah, Kamarul Arifin, Ahmad, M. K., Abdullah, Shafiq, Suhaimi
Format:	Article
Published:	scientific.net 2014
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/8385/ http://umpir.ump.edu.my/id/eprint/8385/ http://umpir.ump.edu.my/id/eprint/8385/

id	ump-8385
recordtype	eprints
spelling	ump-83852016-06-21T02:44:00Z http://umpir.ump.edu.my/id/eprint/8385/ Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles Hamid, Yusoff M. Z., Abdullah Kamarul Arifin, Ahmad M. K., Abdullah Shafiq, Suhaimi TJ Mechanical engineering and machinery In the present study, the aerodynamic characteristics such as time-averaged lift and drag generation of two flexible membrane (latex thin and thick) wings with different skin flexibilities are compared with those of a conventional rigid (wood) wing to assess the effects of skin flexibility (rigidity) on the aerodynamic performance for flapping flight applications. The experiments are performed in an open circuit wind tunnel of non-return airflow with a test section of (0.3m x 0.3m) and is capable of speeds from 0.5 to 30 m/s. The time-averaged lift and drag as functions of flapping frequency, forward flight velocity and the orientation angle of the flapping motions with respect to the incoming flows are measured by using a strain gauge balance and KYOWA PCD-300A sensor interface data acquisition system. It has been found that flapping motion would bring significant aerodynamic benefits when the flapping flight is in unsteady state regime, with advance ratio less than 1.0. The aerodynamic benefits are found to decay exponentially with the increasing advance ratio. Flapping motion is found to become detrimental for high speed flight applications. It is also observed that the skin flexibility has considerable effect on the aerodynamic performance. The flexible latex thick wing is found to have better overall aerodynamic performance over the rigid wing, especially for low speed applications. The wood (rigid) wing exhibited better lift production performance in quasi steady regime. scientific.net 2014 Article PeerReviewed Hamid, Yusoff and M. Z., Abdullah and Kamarul Arifin, Ahmad and M. K., Abdullah and Shafiq, Suhaimi (2014) Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles. Applied Mechanics and Materials, 629. pp. 18-23. ISSN 1662-7482 http://dx.doi.org/10.4028/www.scientific.net/AMM.629.18 DOI: 10.4028/www.scientific.net/AMM.629.18
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Hamid, Yusoff M. Z., Abdullah Kamarul Arifin, Ahmad M. K., Abdullah Shafiq, Suhaimi Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
description	In the present study, the aerodynamic characteristics such as time-averaged lift and drag generation of two flexible membrane (latex thin and thick) wings with different skin flexibilities are compared with those of a conventional rigid (wood) wing to assess the effects of skin flexibility (rigidity) on the aerodynamic performance for flapping flight applications. The experiments are performed in an open circuit wind tunnel of non-return airflow with a test section of (0.3m x 0.3m) and is capable of speeds from 0.5 to 30 m/s. The time-averaged lift and drag as functions of flapping frequency, forward flight velocity and the orientation angle of the flapping motions with respect to the incoming flows are measured by using a strain gauge balance and KYOWA PCD-300A sensor interface data acquisition system. It has been found that flapping motion would bring significant aerodynamic benefits when the flapping flight is in unsteady state regime, with advance ratio less than 1.0. The aerodynamic benefits are found to decay exponentially with the increasing advance ratio. Flapping motion is found to become detrimental for high speed flight applications. It is also observed that the skin flexibility has considerable effect on the aerodynamic performance. The flexible latex thick wing is found to have better overall aerodynamic performance over the rigid wing, especially for low speed applications. The wood (rigid) wing exhibited better lift production performance in quasi steady regime.
format	Article
author	Hamid, Yusoff M. Z., Abdullah Kamarul Arifin, Ahmad M. K., Abdullah Shafiq, Suhaimi
author_facet	Hamid, Yusoff M. Z., Abdullah Kamarul Arifin, Ahmad M. K., Abdullah Shafiq, Suhaimi
author_sort	Hamid, Yusoff
title	Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
title_short	Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
title_full	Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
title_fullStr	Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
title_full_unstemmed	Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles
title_sort	experimental study on the effect of skin flexibility on aerodynamic performance of flapping wings for micro air vehicles
publisher	scientific.net
publishDate	2014
url	http://umpir.ump.edu.my/id/eprint/8385/ http://umpir.ump.edu.my/id/eprint/8385/ http://umpir.ump.edu.my/id/eprint/8385/
first_indexed	2023-09-18T22:05:54Z
last_indexed	2023-09-18T22:05:54Z
_version_	1777414705825972224

Experimental Study on the Effect of Skin Flexibility on Aerodynamic Performance of Flapping Wings for Micro Air Vehicles

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