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Icing Environment Rotor Test Stand Liquid Water Content Measurement Procedures and Ice Shape Correlation

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An Adverse Environment Rotor Test Stand (AERTS) facility has been designed and constructed. The facility is able to reproduce natural icing conditions surrounding rotating blades with a maximum diameter of 9 ftand tip speeds of up to 470 ft/s. A Liquid Water Content (LWC) calculation methodology was developed, and procedures to determine experimental LWC in the facility are presented in this paper. Ice shape measurements on a 10.5-inch-chord, 9-ft-diameter, NACA 0012 rotor were obtained at the AERTS facility and compared with experimental results obtained at the NASA Glenn Icing Research Tunnel. The experimental ice shape correlation is excellent, with stagnation ice thickness and impingement limits deviating by less than 1% between results obtained in the AERTS facility and NASA Glenn Icing Research Tunnel. Ice shape correlation demonstrates the capability of the facility to produce accurate icing clouds.
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Document Type: Research Article

Publication date: 2012-04-01

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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.)

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