Application of fuzzy logic approach for an aircraft model with and without winglet

—The measurement of aerodynamic forces and moments acting on an aircraft model is important for the development of wind tunnel measurement technology to predict the performance of the full scale vehicle. The potentials of an aircraft model with and without winglet and aerodynamic characteris...

Full description

Bibliographic Details
Main Authors:	Hossain, Altab, Rahman, Mohammed Ataur, Hossen, Jakir, Iqbal, A.K.M. Asif
Format:	Article
Language:	English
Published:	World Academy of Science, Engineering and Technology 2011
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://irep.iium.edu.my/11748/ http://irep.iium.edu.my/11748/ http://irep.iium.edu.my/11748/1/Application_of_Fuzzy_Logic_Approach_for.pdf

id	iium-11748
recordtype	eprints
spelling	iium-117482012-07-17T01:55:30Z http://irep.iium.edu.my/11748/ Application of fuzzy logic approach for an aircraft model with and without winglet Hossain, Altab Rahman, Mohammed Ataur Hossen, Jakir Iqbal, A.K.M. Asif TJ Mechanical engineering and machinery —The measurement of aerodynamic forces and moments acting on an aircraft model is important for the development of wind tunnel measurement technology to predict the performance of the full scale vehicle. The potentials of an aircraft model with and without winglet and aerodynamic characteristics with NACA wing No. 65-3- 218 have been studied using subsonic wind tunnel of 1 m × 1 m rectangular test section and 2.5 m long of Aerodynamics Laboratory Faculty of Engineering (University Putra Malaysia). Focusing on analyzing the aerodynamic characteristics of the aircraft model, two main issues are studied in this paper. First, a six component wind tunnel external balance is used for measuring lift, drag and pitching moment. Secondly, Tests are conducted on the aircraft model with and without winglet of two configurations at Reynolds numbers 1.7×10 5 , 2.1×10 5 , and 2.5×10 5 for different angle of attacks. Fuzzy logic approach is found as efficient for the representation, manipulation and utilization of aerodynamic characteristics. Therefore, the primary purpose of this work was to investigate the relationship between lift and drag coefficients, with free-stream velocities and angle of attacks, and to illustrate how fuzzy logic might play an important role in study of lift aerodynamic characteristics of an aircraft model with the addition of certain winglet configurations. Results of the developed fuzzy logic were compared with the experimental results. For lift coefficient analysis, the mean of actual and predicted values were 0.62 and 0.60 respectively. The coreelation between actual and predicted values (from FLS model) of lift coefficient in different angle of attack was found as 0.99. The mean relative error of actual and predicted valus was found as 5.18% for the velocity of 26.36 m/s which was found to be less than the acceptable limits (10%). The goodness of fit of prediction value was 0.95 which was close to 1.0. World Academy of Science, Engineering and Technology 2011 Article PeerReviewed application/pdf en http://irep.iium.edu.my/11748/1/Application_of_Fuzzy_Logic_Approach_for.pdf Hossain, Altab and Rahman, Mohammed Ataur and Hossen, Jakir and Iqbal, A.K.M. Asif (2011) Application of fuzzy logic approach for an aircraft model with and without winglet. International Journal of Aerospace and Mechanical Engineering, 5 (4). pp. 224-232. ISSN 2010-3794 (O), 2010-3786 (P) http://www.waset.org/journals/ijame/v5/v5-4-32.pdf
repository_type	Digital Repository
institution_category	Local University
institution	International Islamic University Malaysia
building	IIUM Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Hossain, Altab Rahman, Mohammed Ataur Hossen, Jakir Iqbal, A.K.M. Asif Application of fuzzy logic approach for an aircraft model with and without winglet
description	—The measurement of aerodynamic forces and moments acting on an aircraft model is important for the development of wind tunnel measurement technology to predict the performance of the full scale vehicle. The potentials of an aircraft model with and without winglet and aerodynamic characteristics with NACA wing No. 65-3- 218 have been studied using subsonic wind tunnel of 1 m × 1 m rectangular test section and 2.5 m long of Aerodynamics Laboratory Faculty of Engineering (University Putra Malaysia). Focusing on analyzing the aerodynamic characteristics of the aircraft model, two main issues are studied in this paper. First, a six component wind tunnel external balance is used for measuring lift, drag and pitching moment. Secondly, Tests are conducted on the aircraft model with and without winglet of two configurations at Reynolds numbers 1.7×10 5 , 2.1×10 5 , and 2.5×10 5 for different angle of attacks. Fuzzy logic approach is found as efficient for the representation, manipulation and utilization of aerodynamic characteristics. Therefore, the primary purpose of this work was to investigate the relationship between lift and drag coefficients, with free-stream velocities and angle of attacks, and to illustrate how fuzzy logic might play an important role in study of lift aerodynamic characteristics of an aircraft model with the addition of certain winglet configurations. Results of the developed fuzzy logic were compared with the experimental results. For lift coefficient analysis, the mean of actual and predicted values were 0.62 and 0.60 respectively. The coreelation between actual and predicted values (from FLS model) of lift coefficient in different angle of attack was found as 0.99. The mean relative error of actual and predicted valus was found as 5.18% for the velocity of 26.36 m/s which was found to be less than the acceptable limits (10%). The goodness of fit of prediction value was 0.95 which was close to 1.0.
format	Article
author	Hossain, Altab Rahman, Mohammed Ataur Hossen, Jakir Iqbal, A.K.M. Asif
author_facet	Hossain, Altab Rahman, Mohammed Ataur Hossen, Jakir Iqbal, A.K.M. Asif
author_sort	Hossain, Altab
title	Application of fuzzy logic approach for an aircraft model with and without winglet
title_short	Application of fuzzy logic approach for an aircraft model with and without winglet
title_full	Application of fuzzy logic approach for an aircraft model with and without winglet
title_fullStr	Application of fuzzy logic approach for an aircraft model with and without winglet
title_full_unstemmed	Application of fuzzy logic approach for an aircraft model with and without winglet
title_sort	application of fuzzy logic approach for an aircraft model with and without winglet
publisher	World Academy of Science, Engineering and Technology
publishDate	2011
url	http://irep.iium.edu.my/11748/ http://irep.iium.edu.my/11748/ http://irep.iium.edu.my/11748/1/Application_of_Fuzzy_Logic_Approach_for.pdf
first_indexed	2023-09-18T20:21:02Z
last_indexed	2023-09-18T20:21:02Z
_version_	1777408108011716608

Application of fuzzy logic approach for an aircraft model with and without winglet

Similar Items