An approach to evaluate lift generated by an annular-Coanda-wing for vertical/short take-off and landing applications.

Authors :: Saeed, B
Gratton, G B
Source :: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering; Oct2012, Vol. 226 Issue 10, p1298-1314, 17p
Publication Year :: 2012
Abstract: This article explores, theoretically and experimentally, Coanda effect and upper surface blowing over an annular wing. Also, presented are a simple mathematical/empirical model and an experimental strategy to evaluate lift generated by a blown-annular wing. It has been shown that the wing is capable of deflecting the flow by ∼90° with an efficiency of ∼61 per cent with reference to the undeflected horizontal thrust from the source. The analytical review and experimental data presented will enable an aircraft designer to deduce this particular powered-lift system for V/STOL applications at the preliminary design stage. [ABSTRACT FROM AUTHOR]

Subjects :: COANDA effect
SHORT take-off & landing aircraft
AIRPLANE wing design
MATHEMATICAL models
LIFT fans

Language :: English
ISSN :: 09544100
Volume :: 226
Issue :: 10
Database :: Complementary Index
Journal :: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
Publication Type :: Academic Journal
Accession number :: 79828416
Full Text :: https://doi.org/10.1177/0954410011419409

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