TY JOUR TI THRUST AUGMENTATION OF THE TURBOJET ENGINE BY UPGRADING THE NOZZLE CLUSTER KW thrust KW engine KW augmentor KW apparatus KW speed KW nozzle cluster JO Transport engineering AU Magdin, A.G. AU Pripadchev, A.D. AU Gorbunov, A.A. AU Soldatov, D.S. PY 2022 IS 2022 PB Bryansk State Technical University