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Proceedings Paper

Application of particle-image velocimetry to wake measurements in the Pyestock isentropic light piston facility
Author(s): Kamaljit S. Chana; Peter John Bryanston-Cross; Marcelo Funes-Gallanzi
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Paper Abstract

The quantitative whole field flow visualization technique of PIV has over the last three years been successfully demonstrated for transonic flow applications. A series of such measurements has been made at DRA Pyestock. Several of the development stages critical to a full engine application of the work have now been achieved at DRA Pyestock using the Isentropic Light Piston Cascade test facility operating with high inlet turbulence levels: (1) A method of seeding the flow with 0.5 micron diameter styrene particles has provided an even (1 mm by 1 mm) coverage of the flow field. (2) A method of projecting a 1 mm thick high power Nd/YAG laser light sheet within the turbine stator cascade. This has enabled a complete instantaneous intra-blade velocity mapping of the flow field to be visualized. (3) Finally, software has been developed to automatically analyze the data.

Paper Details

Date Published: 2 December 1993
PDF: 10 pages
Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); doi: 10.1117/12.163734
Show Author Affiliations
Kamaljit S. Chana, Defence Research Agency, Pyestock (United Kingdom)
Peter John Bryanston-Cross, Univ. of Warwick (United Kingdom)
Marcelo Funes-Gallanzi, Univ. of Warwick (United Kingdom)

Published in SPIE Proceedings Vol. 2005:
Optical Diagnostics in Fluid and Thermal Flow
Soyoung Stephen Cha; James D. Trolinger, Editor(s)

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