TY JOUR TI On the use of geometry and mechanical features in the algorithm for calculating the thrust of propellers of ship propellers KW transportation KW stop KW propulsive device KW propeller KW vane pumps KW velocity triangles KW Euler equation KW optimization problem KW con-straints JO Fisheries AU Gaydenok, N.D. PY 2021 IS 2021 PB FSBI "TSUREN"