TY JOUR TI Pattern forecasting of performance indices for air-and-screen cleaner from chaffing efficiency rise KW air separator KW mathematical modeling KW parametric synthesis KW multivariate analysis KW performance indices JO Vestnik of Don State Technical University AU Ermolev, Y.. AU Butovchenko, A.. AU Doroshenko , A.. PY 2014 IS 14 PB Don state technical University