Passive venting technique for shallow cavities

Details Passive venting technique for shallow cavities Passive venting technique for shallow cavities

1988-09-30

1989-09-05

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Details

2441374, B64C 2300, B64D 102

Patent

active

048631183

ABSTRACT:
A device for reducing drag and store separation difficulties caused by shallow cavities on aircraft in supersonic flight consisting of a group of hollow pipes the same length as the cavity. The pipes are attached to the cavity floor so as to allow air to flow through the pipes. This device allows air to flow through the pipes opposite to the direction of flow outside the pipes. This results in reduced drag and improved store separation characteristics.

REFERENCES:
patent: 1817089 (1931-08-01), McFadyen
patent: 2451475 (1948-10-01), Diehl
patent: 3010680 (1961-11-01), Kaplan
patent: 4552360 (1985-06-01), Barnwell et al.
patent: 4671474 (1987-06-01), Haslund
patent: 4697864 (1987-10-01), Hardy et al.

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