FIELD: engines and pumps.
SUBSTANCE: proposed turbine comprises inner, outer and mix casings, stage with distributor and impeller with ring insert above said impeller, turbine and casing cooling systems. Radial clearance adjustment means is composed of ring inserts, inner, outer and mid casings. Said conical mid casing is equipped with radial flange. Ring insert above impeller is secured to mid and inner casings. Cooling systems of turbine and casing comprises flow rate controllers. Casing cooling system comprises manifold and holes in outer casing. Radial clearance adjustment means comprises radial clearance transducers and onboard computer electrically connected with flow rate controllers and radial clearance transducers. Turbine cooling system comprises main pipeline connected with distributor upper cavity, inner pipeline connected with swirler, front deflector with holes and holes in disc.
EFFECT: efficient control over radial clearance, higher takeoff and augmenter thrust, efficiency and reliability.
3 cl, 7 dwg
Authors
Dates
2013-11-27—Published
2012-04-24—Filed