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Revisiting Froude’s Theory for Hovering Shrouded Rotor

Jardin, Thierry and Grondin, Gilles and Gressier, Jérémie and Huo, Chao and Doué, Nicolas and Barènes, Roger Revisiting Froude’s Theory for Hovering Shrouded Rotor. (2015) AIAA Journal. pp. 1-9. ISSN 0001-1452

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Official URL: http://dx.doi.org/10.2514/1.J053507

Abstract

This paper extends Froude’s momentum theory for free propellers to the analysis of shrouded rotors. A one-dimensional analytical approach is provided, and a homokinetic normal inlet surface model is proposed. Formulations of thrusts and power for each system component are derived, leading to the definition of optimum design criteria and providing insight into the global aerodynamics of shrouded rotors. In the context of micro-air vehicles applications, assessment of the model is conducted with respect to numerical data. Overall, comparison between numerical and analytical results shows good agreement and highlights the sensitivity of the model to viscous effects.

Item Type:Article
Additional Information:Thanks to AIAA editor. The original PDF of the article can be found at AIAA journal website: http://dx.doi.org/10.2514/1.J053507
HAL Id:hal-01131305
Audience (journal):International peer-reviewed journal
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Institution:Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
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Deposited By: Thierry Jardin
Deposited On:13 Mar 2015 11:46

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