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research-article

Past developments and current advancements in unsteady pressure measurements in turbomachines

[+] Author and Article Information
Jan Lepicovsky

Research scientist, Institute of Thermomechanics of the Czech Academy of Sciences, Dolejskova 1402/5, 18200 Praha, Czech Republic, (formerly contract scientist, NASA Glenn Research Center, Cleveland, OH, U.S.A.)
jandrsc@gmail.com

David Simurda

Research scientist, Institute of Thermomechanics of the Czech Academy of Sciences, Dolejskova 1402/5, 18200 Praha, Czech Republic
simurda@it.cas.cz

1Corresponding author.

ASME doi:10.1115/1.4040419 History: Received July 10, 2017; Revised May 02, 2018

Abstract

Abstract The aim of this paper is to review, summarize, and record long term experience with development and application of aerodynamic probes with built-in miniature pressure transducers for unsteady pressure measurement and industrial research in turbomachine components. The focus of the first half of the paper is on work performed at VZLU Prague, Czech Republic. The latest development in unsteady pressure measurement techniques and data reduction methodology suitable for future research in highly-loaded, high-speed turbine engine components performed at NASA GRC Cleveland, Ohio, U.S.A., is reported in the second part of this paper. Excellent reviews of similar activities at ETH Zürich, Switzerland (Kupferschmied et al., 2000) and VKI Rhode-Sain-Genèse, Belgium (Sieverding et al., 2000) were already reported and are acknowledged here. A short list of reported accomplishments achieved by other researchers at various laboratories is also reported for completeness. The authors apologize to those whose contributions are not reported here. It is just an unfortunate oversight, not an intentional omission.

Copyright (c) 2018 by ASME
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