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Proceedings Paper

Determination of shed ice particle size using high-speed digital imaging
Author(s): Howard Broughton; Jay C. Owens; James J. Sims
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Paper Abstract

A full scale model of an aircraft engine inlet was tested at NASA Lewis Research Center's Icing Research Tunnel. Simulated natural ice sheds from the engine inlet lip were studied using high speed digital image acquisition and image analysis. Strategic camera placement integrated at the model design phase allowed the study of ice accretion on the inlet lip and the resulting shed ice particles at the aerodynamic interface plane at the rear of the inlet prior to engine ingestion. The resulting digital images were analyzed using commercial and proprietary software to determine the size of the ice particles that could potentially be ingested by the engine during a natural shedding event. A methodology was developed to calibrate the imaging system and insure consistent and accurate measurements of the ice particles for a wide range of icing conditions.

Paper Details

Date Published: 7 June 1996
PDF: 12 pages
Proc. SPIE 2751, Hybrid Image and Signal Processing V, (7 June 1996); doi: 10.1117/12.242012
Show Author Affiliations
Howard Broughton, Cortez III Service Corp. (United States)
Jay C. Owens, Cortez III Service Corp. (United States)
James J. Sims, Cortez III Service Corp. (United States)


Published in SPIE Proceedings Vol. 2751:
Hybrid Image and Signal Processing V
David P. Casasent; Andrew G. Tescher, Editor(s)

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