TY JOUR TI INTENSITY DECREASE OF HORSESHOE WHIRLWINDS IN NOZZLE INSTRUMENTS OF TURBOMACHINES KW turbomachine KW nozzle instrument KW perforated profile KW power waste KW finite element method KW Autodesk Simulation CFD JO Bulletin of Bryansk state technical university AU Tulubenskiy, E.. AU Drokonov , A.. AU Osipov , A.. PY 2016 IS 2016 PB Bryansk State Technical University