2010•NASA STI Repository (National Aeronautics and Space Administration)Open access

Current Laminar Flow Control Experiments at NASA Dryden

Al Bowers

Abstract

An experiment to demonstrate laminar flow over the swept wing of a subsonic transport is being developed. Discrete Roughness Elements are being used to maintain laminar flow over a substantial portion of a wing glove. This passive laminar flow technology has only come to be recognized as a significant player in airliner drag reduction in the last few years. NASA is implementing this experiment and is planning to demonstrate this technology at full-scale Bight cruise conditions of a small-to-medium airliner.

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Key concepts: Laminar flow, Drag, Aerospace engineering, Flow (mathematics), Marine engineering, Aeronautics, Flow control (data), Cruise