Development of a High Tip Speed Radial Turbine System for a Small Turboalternator 710552

The design and rig development of a 1970 fps tip speed radial turbine, volute, combustor, and exhaust as an integrated system is discussed. The components form the hot section of a United States Army turboshaft engine for powering portable electrical generator sets in the 30, 45, 60 kw range. Aero-thermodynamic design highlights, rig testing, and modifications necessary to meet design objectives are covered.


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