Experimental investigation of a new spiral wingtip
Experiments on the relative merits and demerits of slotted wingtips mimicking a bird’s primary feathers have been performed. The real emargination length of feather tips, their flexibility and curved shapes during cruise are considered in the present study. The experiments were performed at a Reynol...
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Embry-Riddle Aeronautical University
2018
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my.iium.irep.632372019-12-09T07:01:22Z http://irep.iium.edu.my/63237/ Experimental investigation of a new spiral wingtip Siddiqui, Naseeb Mohammed Aldheeb, Mohammed Abdulmalek Asrar, Waqar Sulaeman, Erwin TL500 Aeronautics Experiments on the relative merits and demerits of slotted wingtips mimicking a bird’s primary feathers have been performed. The real emargination length of feather tips, their flexibility and curved shapes during cruise are considered in the present study. The experiments were performed at a Reynolds number of 3.7 x 105 on a symmetric flat plate half wing of aspect ratio 3. Lift, drag and pitching moments were measured using a six component aerodynamic balance. Four different shapes inspired by bird primary feathers have been analysed. The rigid curved tip performed the best increasing the L/D ratio by 20%. This improvement has been compared with forty different wingtips model available in the literature which shows that rigid curved tip provide better L/D performance. Based on this improvement the key performance indicator of Jet and propeller airplane has been calculated that shows a 7.8% and 9% increase in range for propeller and Jet airplane, respectively. Embry-Riddle Aeronautical University 2018 Article PeerReviewed application/pdf en http://irep.iium.edu.my/63237/1/IJAAA%202018-New%20spiral%20wing%20tip.pdf application/pdf en http://irep.iium.edu.my/63237/7/63237%20Experimental%20investigation%20of%20a%20new%20spiral%20wingtip%20SCOPUS.pdf application/pdf en http://irep.iium.edu.my/63237/13/63237_Experimental%20investigation%20of%20a%20new%20spiral%20wingtip_WoS.pdf Siddiqui, Naseeb and Mohammed Aldheeb, Mohammed Abdulmalek and Asrar, Waqar and Sulaeman, Erwin (2018) Experimental investigation of a new spiral wingtip. International Journal of Aviation, Aeronautics, and Aerospace, 5 (2). pp. 1-32. ISSN 2374-6793 https://commons.erau.edu/cgi/viewcontent.cgi?article=1213&context=ijaaa |
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TL500 Aeronautics Siddiqui, Naseeb Mohammed Aldheeb, Mohammed Abdulmalek Asrar, Waqar Sulaeman, Erwin Experimental investigation of a new spiral wingtip |
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Experiments on the relative merits and demerits of slotted wingtips mimicking a bird’s primary feathers have been performed. The real emargination length of feather tips, their flexibility and curved shapes during cruise are considered in the present study. The experiments were performed at a Reynolds number of 3.7 x 105 on a symmetric flat plate half wing of aspect ratio 3. Lift, drag and pitching moments were measured using a six component aerodynamic balance. Four different shapes inspired by bird primary feathers have been analysed. The rigid curved tip performed the best increasing the L/D ratio by 20%. This improvement has been compared with forty different wingtips model available in the literature which shows that rigid curved tip provide better L/D performance. Based on this improvement the key performance indicator of Jet and propeller airplane has been calculated that shows a 7.8% and 9% increase in range for propeller and Jet airplane, respectively. |
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Article |
author |
Siddiqui, Naseeb Mohammed Aldheeb, Mohammed Abdulmalek Asrar, Waqar Sulaeman, Erwin |
author_facet |
Siddiqui, Naseeb Mohammed Aldheeb, Mohammed Abdulmalek Asrar, Waqar Sulaeman, Erwin |
author_sort |
Siddiqui, Naseeb |
title |
Experimental investigation of a new spiral wingtip |
title_short |
Experimental investigation of a new spiral wingtip |
title_full |
Experimental investigation of a new spiral wingtip |
title_fullStr |
Experimental investigation of a new spiral wingtip |
title_full_unstemmed |
Experimental investigation of a new spiral wingtip |
title_sort |
experimental investigation of a new spiral wingtip |
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Embry-Riddle Aeronautical University |
publishDate |
2018 |
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http://irep.iium.edu.my/63237/1/IJAAA%202018-New%20spiral%20wing%20tip.pdf http://irep.iium.edu.my/63237/7/63237%20Experimental%20investigation%20of%20a%20new%20spiral%20wingtip%20SCOPUS.pdf http://irep.iium.edu.my/63237/13/63237_Experimental%20investigation%20of%20a%20new%20spiral%20wingtip_WoS.pdf http://irep.iium.edu.my/63237/ https://commons.erau.edu/cgi/viewcontent.cgi?article=1213&context=ijaaa |
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