Device for reducing the frictional drag of moving bodies

Details Device for reducing the frictional drag of moving bodies Device for reducing the frictional drag of moving bodies

1986-08-05

1988-06-14

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244130, 138 38, B64C 2110

Patent

active

047506938

ABSTRACT:
A device for reducing the frictional drag inherent in flow mechanics in airborne, waterborne and space vehicles in which the surface of a body in a flowing medium is provided with an asymmetrical microstructure in the form of grooved profiles whose dimensions do not essentially exceed the average free travel length of the molecules of the medium.

REFERENCES:
patent: 1903823 (1933-04-01), Lougheed
patent: 4044797 (1977-08-01), Fujie et al.
patent: 4180290 (1979-12-01), Drews
patent: 4650138 (1987-03-01), Grose
patent: 4706910 (1987-11-01), Walsh
NASA Tech. Brief, vol. 5, No. 2, Summer 1980, "Grooves Reduce Air".

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