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Record Details

Record 1 of 1957
Demonstration of PIV in a Transonic Compressor
Offline Availability: Go to Request Form
Author and Affiliation:
Wernet, Mark P.(NASA Lewis Research Center, Cleveland, OH United States)
Abstract: Particle Imaging Velocimetry (PIV) is a powerful measurement technique which can be used as an alternative or complementary approach to Laser Doppler Velocimetry (LDV) in a wide range of research applications. PIV data are measured simultaneously at multiple points in space, which enables the investigation of the non-stationary spatial structures typically encountered in turbomachinery. Many of the same issues encountered in the application of LDV techniques to rotating machinery apply in the application of PIV. Preliminary results from the successful application of the standard 2-D PIV technique to a transonic axial compressor are presented. The lessons learned from the application of the 2-D PIV technique will serve as the basis for applying 3-component PIV techniques to turbomachinery.
Publication Date: May 01, 1998
Document ID:
19980206049
(Acquired Aug 22, 1998)
Subject Category: INSTRUMENTATION AND PHOTOGRAPHY
Document Type: Conference Paper
Publication Information: (SEE 19980206002)
Financial Sponsor: NASA Lewis Research Center; Cleveland, OH United States
Organization Source: NASA Lewis Research Center; Cleveland, OH United States
Description: 16p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: PARTICLE IMAGE VELOCIMETRY; TRANSONIC COMPRESSORS; FLOW VELOCITY; VELOCITY MEASUREMENT; WAKES; IMAGERY; DATA ACQUISITION; IMAGE PROCESSING; COMPRESSOR BLADES; FLOW DISTRIBUTION; COMPRESSOR EFFICIENCY; CCD CAMERAS
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