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Improved Shroud Design for Rotary Wing MAV Applications Based on Computational Analysis

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A compressible Reynolds-averaged Navier–Stokes (RANS) solver is used to improve the design of a microscale shroud applicable for micro air vehicle (MAV) applications. The new shroud is primarily designed to improve the hover performance; however, it is also shaped to better suit nonhovering flight conditions. The proposed shroud design has an elliptic shape on the inner portion of the shroud inlet and a circular shape on the outer portion. A collective angle sweep study of the shrouded rotor configuration using the proposed shroud design shows significant performance benefits in hover.

Document Type: Short Communication


Publication date: 2012-10-01

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  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are AHS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the AHS website.

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