FIELD: engines and pumps.
SUBSTANCE: proposed turbine comprises cooled stage with distributor provided with cavities there above and below, turbine rotor with cooled wheel and swirler arranged there ahead and turbine stator. Stator comprises turbine housing, circular insert above turbine wheel and radial clearance adjustment system. Turbine housing consists of two parts, i.e. front and rear parts with circular inserts arranged there between. Stator is cooled by second-stage air. Stator cooling air feed system is composed of second-stage air intake, driven flow rate controller and air intake casing. Perforated jacket is arranged in air intake casing. Said system incorporates also onboard computer, radial clearance transducers and flow rate controller drive. Radial clearance transducers are electrically connected with onboard computer.
EFFECT: higher engine thrust at takeoff and afterburning, engine efficiency and reliability.
5 cl, 15 dwg
