Сопловые аппараты осевых турбин

摘要

FIELD: mechanical engineering; turbines. ^ SUBSTANCE: proposed nozzle assembly of axial-flow turbine contains nozzle of rectangular section and acceleration and outlet sections. Longitudinal axis of acceleration section is straight line. Projection of longitudinal axis of acceleration section onto plane of nozzle assembly is tangential to circumference formed by middle diameter or turbine stage. ^ EFFECT: provision of maximum flow velocity before inlet section and velocity diagram of working medium at acceleration section outlet. ^ 1 dwg