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

B. Saeed; G. B. Gratton

doi:10.1177/0954410011419409

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

B. Saeed^*, G. B. Gratton

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	1298-1314
Number of pages	17
Journal	Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
Volume	226
Issue number	10
Early online date	23 Nov 2011
DOIs	https://doi.org/10.1177/0954410011419409
Publication status	Published - 1 Oct 2012

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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.",

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AB - 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.

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DO - 10.1177/0954410011419409

M3 - Article

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JO - Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

JF - Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

IS - 10

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

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