1969-02-01

The Variable-Geometry Power Turbine 690031

In gas turbine vehicular applications, a power turbine with a variable-position nozzle results in several operating advantages. These advantages, as well as the design considerations of a variable nozzle power turbine are described. Test results are presented and discussed for two different variable-nozzle power turbine configurations. The first configuration consisted only of the nozzles and rotor while the second configuration included both the turbine stage and its associated ducting.

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