A Method for Predicting Lift Increments Due to Flap Deflection at Low Angles of Attack in Incompressible Flow

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Summary: A method is presented for estimating the lift due to flap deflection at low angles of attack in incompressible flow. In this method provision is made for the use of incremental section-lift data for estimating the effectiveness of high-lift flaps. The method is applicable to swept wings of any aspect ratio or taper ratio. The present method differs from other current methods mainly in its ease of application and its more general application. Also included is a simplified method of estimating the lift-curve slope throughout the subsonic speed range.
Collection: NASA Technical Reports Server (NTRS) Collection.
Note: Document ID: 19930084818.
Accession ID: 93R14108.
NACA-TN-3911.
Terms of Use and Reproduction: No Copyright.

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