TY JOUR TI ESTIMATION OF PARAMETERS OF VERTICAL AXIS WIND TURBINES FOR POWER PLANTS OF SMALL SIZE VESSELS KW small-size vessels KW sailing vessels KW ship wind turbines KW Darrieus rotors KW Savonius rotors KW combined wind turbines KW energy efficiency JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Ilyin, R.. AU Shishkin, N.. PY 2018 IS 2018 PB Astrakhan State Technical University