NASA NTRS · 19880000431
Rim-Supported Turbine Seal
Abstract
Interstage seal accommodates large pressure drop across vane stage. Sealing surfaces close to inner diameter of gas-flow path. Two blade stages supported by single disk, broached over entire width of rim. Seal concept developed for small rocket turbines as liquid-oxygen pumps. Well suited to turbines with high pressure drops across vane stages.
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Longenecker, Kent O.. 1988-09-01. Rim-Supported Turbine Seal. https://ntrs.nasa.gov/citations/19880000431
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