Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rule stating that an airplane designed with the same cross-sectional area distribution in the longitudinal direction as the Sears-Haack body generates the same wave drag as this body, largely independent of the actual shape; used in aerodynamics to reduce drag, typically by narrowing the fuselage at the wing roots.
Etymologies
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Examples
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Applying the area rule by pinching the waist of its fuselage measurably improved the F-102’s speed and overall performance even with approximately the same engine thrust.
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