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Flow studies in a wet steam turbineThe design and test results of a four stage wet vapor turbine operating with slightly superheated inlet steam and expanding to 10% exit moisture are presented. High speed movies at 3000 frames per second of liquid movement on the pressure side and along the trailing edge of the last stator blade are discussed along with back lighted photographs of moisture drops as they were torn from the stator blade trailing edge. Movies at lower framing rates were also taken of the exit of the last rotating blade and the casing moisture removal slot located in line with the rotor blade shroud. Also moisture removal data are presented of casing slot removal at the exit of the third and fourth rotor blades and for slots located in the trailing edge of the last stator blade. Finally, the degradation of turbine thermodynamic performance due to condensation formation and movement is discussed.
Document ID
19740024635
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Evans, D. H. (Westinghouse Astronuclear Lab. Pittsburgh, PA, United States)
Pouchot, W. D. (Westinghouse Astronuclear Lab. Pittsburgh, PA, United States)
Date Acquired
September 3, 2013
Publication Date
August 13, 1974
Subject Category
Fluid Mechanics
Report/Patent Number
WANL-13230F
NASA-CR-134683
Accession Number
74N32748
Funding Number(s)
CONTRACT_GRANT: NAS3-13230
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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