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Measurement of Gust Response on a Turbine CascadeThe paper presents benchmark experimental data on a gust response of an annular turbine cascade. The experiment was particularly designed to provide data for comparison with the results of a typical linearized gust-response analysis. Reduced frequency, Mach number, and incidence were varied independently. Except for the lowest reduced frequency, the gust velocity distribution was nearly sinusoidal. For the high inlet-velocity series of tests, the cascade was near choking. The mean flow was documented by measuring blade surface pressures and the cascade exit flow. High-response pressure transducers were used to measure the unsteady pressure distribution. Inlet-velocity components and turbulence parameters were measured using hot wire. In addition to the synchronous time-average pressure spectra, typical power spectra are included for several representative conditions.
Document ID
19950012042
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kurkov, A. P. (NASA Lewis Research Center Cleveland, OH, United States)
Lucci, B. L. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1995
Subject Category
Aerodynamics
Report/Patent Number
E-9227
NAS 1.15:106776
NASA-TM-106776
Meeting Information
Meeting: Turbo Expo 1995
Location: Houston, TX
Country: United States
Start Date: June 5, 1995
End Date: June 8, 1995
Accession Number
95N18457
Funding Number(s)
PROJECT: RTOP 505-63-5B
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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