A linear cascade tunnel for flow investigations of steam turbine rotor tip blades in subsonic nucleating flows

Abstract The paper presents details of a unique experimental facility along with necessary accessories and instrumentation for testing steam turbine cascade blades in wet nucleating steam. A rotor tip is chosen flow investigations. Cascade inlet measurements show uniform conditions dry air mixture different ratios. Exit surveys indicate that excellent periodicity obtained. Blade surface static pressure exit total distributions are also presented ratios as the working medium at an Mach number 0.52.