Ice shed reduction for leading edge structures

Details Ice shed reduction for leading edge structures Ice shed reduction for leading edge structures

F - Mech Eng,Light,Heat,Weapons

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F01D 25/02 (2006.01) B64C 5/00 (2006.01) B64C 7/00 (2006.01) B64D 15/00 (2006.01) B64D 15/16 (2006.01) B64D 33/02 (2006.01)

Patent

CA 2722099

A leading edge structure for use in an aerospace vehicle includes a body (38) having a flow-path surface (48) which defines a leading edge adapted to face an air flow during operation, and an opposed inner surface. The body is segmented into a plurality of portions having varying thermal properties and/or mechanical discontinuities (42), so as to promote stress concentrations in ice attached to the flow-path surface.

Une structure de bord dattaque à utiliser dans un véhicule aérospatial comprend un corps possédant une surface de voie de circulation qui délimite un bord dattaque conçu pour faire face à une circulation dair au cours du fonctionnement, et une surface intérieure opposée. Le corps est segmenté en une pluralité de parties possédant des propriétés thermiques et/ou discontinuités mécaniques variables, de manière à favoriser les concentrations de tension dans la glace fixée à la surface de voie de circulation.

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