Gas turbine engine and a diffuser therefor

Details Gas turbine engine and a diffuser therefor Gas turbine engine and a diffuser therefor

1995-07-07

1996-10-15

Look, Edward K.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

4152082, 415226, F01D 904

Patent

active

055648983

ABSTRACT:
A gas turbine engine with first and second axial flow compressors and an intercooler therebetween is provided with a bend diffuser and a radial flow diffuser to diffuse the air leaving the downstream end of the first axial flow compressor at a first radial distance from the axis to the upstream end of the intercooler at a second radial distance from the axis. The bend diffuser comprises a first radially outer wall and a second radially inner wall. The first wall is elliptical and the second wall has a profile derived from a relationship between the local area ratio and the path length around the arc such there is rapid diffusion in the bend diffuser without fluid flow separation from the first wall.

REFERENCES:
patent: 3552877 (1971-01-01), Christ et al.
patent: 4013378 (1977-03-01), Herzog
patent: 4182595 (1980-01-01), Burney et al.
patent: 4344737 (1982-08-01), Liu
patent: 4389159 (1983-06-01), Sarvanne
patent: 5203674 (1993-04-01), Vinciguerra

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