Exhaust case for a turbine machine

Details Exhaust case for a turbine machine Exhaust case for a turbine machine

1975-11-10

1977-05-17

Croyle, Carlton R.

Power plants

Combustion products used as motive fluid

With exhaust treatment

415210, 415DIG1, F02C 700, F01D 2530

Patent

active

040233502

ABSTRACT:
Apparatus for reducing the pressure loss imposed upon the working medium gases flowing through an exhaust case of a turbine machine is disclosed. Various construction details which reduce the cross flow of secondary air from the pressure side of one case strut to the opposing side of the adjacent strut are developed. The loss reduction system is built around vortex generators which energize the flow boundary layer at the inner wall of the flow path for the working medium gases.

REFERENCES:
patent: 2558816 (1951-07-01), Bruynes
patent: 2608821 (1952-09-01), Hunsaker
patent: 2788803 (1957-04-01), Greene
patent: 2799472 (1957-07-01), Rainbow
patent: 2844001 (1958-07-01), Alford
R. A. Wallis, Axial Flow Fans, London, 1961, pp. 98-99.
United Aircraft Corp. Research Report, M-15038-1, 2/16/48.

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