Application of particle-image velocimetry to wake measurements in the Pyestock isentropic light piston facility

Kamaljit S. Chana; Peter John Bryanston-Cross; Marcelo Funes-Gallanzi

doi:10.1117/12.163734

2 December 1993 Application of particle image velocimetry to wake measurements in the Pyestock isentropic light piston facility

Kamaljit S. Chana, Peter John Bryanston-Cross, Marcelo Funes-Gallanzi

Author Affiliations +

Proceedings Volume 2005, Optical Diagnostics in Fluid and Thermal Flow; (1993) https://doi.org/10.1117/12.163734
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

Citation Download Citation

Kamaljit S. Chana, Peter John Bryanston-Cross, and Marcelo Funes-Gallanzi "Application of particle image velocimetry to wake measurements in the Pyestock isentropic light piston facility", Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); https://doi.org/10.1117/12.163734

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