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Conceptual design of a nonplanar wing airliner

Conceptual design of a nonplanar wing airliner PurposeThe comparison of three closed nonplanar wing configurations with a reference conventional wing-plus-horizontal tail aircraft is made, considering structural aspects, weights, and aerodynamic characteristics, as well as operational issues, such as cruise performance.Design/methodology/approachA vortex lattice code is used and coupled with and structural beam calculation subroutine to evaluate the configurations as a function of the four main parameters identified in the study.FindingsThe study concludes that the nonplanar wing configurations have better performances than a conventional aircraft. Moreover, the joined-wing configuration seems to be better than the others, included the box-wing configuration, achieving an increase of 17% in the range for maximum payload compared to the reference aircraft, and a 3% reduction of Maximum Take-Off Weight.Research limitations/implicationsIn the study, characteristic tools for a conceptual design are used, thus absolute results should be consider with caution. Nonetheless, as all the cases are studied in the same way, there is a good precision in comparative or relative results.Practical implicationsThe work shows that the nonplanar wing configurations can be used as an alternative to the conventional aircraft to meet the objectives for the future of the aviation industry.Originality/valueThis study considers aerodynamic and structural aspects at the same time, as well as several nonplanar wing configurations making possible to obtain a more realistic comparison between them. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology: An International Journal Emerald Publishing

Conceptual design of a nonplanar wing airliner

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
1748-8842
DOI
10.1108/AEAT-11-2014-0204
Publisher site
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Abstract

PurposeThe comparison of three closed nonplanar wing configurations with a reference conventional wing-plus-horizontal tail aircraft is made, considering structural aspects, weights, and aerodynamic characteristics, as well as operational issues, such as cruise performance.Design/methodology/approachA vortex lattice code is used and coupled with and structural beam calculation subroutine to evaluate the configurations as a function of the four main parameters identified in the study.FindingsThe study concludes that the nonplanar wing configurations have better performances than a conventional aircraft. Moreover, the joined-wing configuration seems to be better than the others, included the box-wing configuration, achieving an increase of 17% in the range for maximum payload compared to the reference aircraft, and a 3% reduction of Maximum Take-Off Weight.Research limitations/implicationsIn the study, characteristic tools for a conceptual design are used, thus absolute results should be consider with caution. Nonetheless, as all the cases are studied in the same way, there is a good precision in comparative or relative results.Practical implicationsThe work shows that the nonplanar wing configurations can be used as an alternative to the conventional aircraft to meet the objectives for the future of the aviation industry.Originality/valueThis study considers aerodynamic and structural aspects at the same time, as well as several nonplanar wing configurations making possible to obtain a more realistic comparison between them.

Journal

Aircraft Engineering and Aerospace Technology: An International Journal – Emerald Publishing

Published: Jul 4, 2016

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