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Analytical and experimental investigation of stator endwall contouring in a small axial-flow turbine. 1: Stator performanceThree stator configurations were studied to determine the effect of stator outer endwall contouring on stator performance. One configuration was a cylindrical stator design. One contoured stator configuration had an S-shaped outer endwall, the other had a conical-convergent outer endwall. The experimental investigation consisted of annular surveys of stator exit total pressure and flow angle for each stator configuration over a range of stator pressure ratio. Radial variations in stator loss and aftermixed flow conditions were obtained when these data were compared with the analytical results to assess the validity of the analysis, good agreement was found.
Document ID
19830002855
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Haas, J. E. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
October 1, 1982
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
AVRADCOM-TR-82-C-4
E-1180
NASA-TP-2023
NAS 1.60:2023
Report Number: AVRADCOM-TR-82-C-4
Report Number: E-1180
Report Number: NASA-TP-2023
Report Number: NAS 1.60:2023
Accession Number
83N11125
Funding Number(s)
PROJECT: RTOP 505-32-2B
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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