This paper relates to two-dimensional laser two-focus (L2F) anemometry measurements, conducted in a transonic research high-pressure compressor. Curved glass, which conforms to the shroud contour, was used. The resulting optical distortions of the control volume were corrected using an original and inexpensive optical assembly. Synchronized measurements were performed on two surfaces of the IGV–rotor interrow region. Particular care was taken in evaluating the capabilities of our L2F technique to accurately describe a flow field with strong gradient. The results presented show that the flow field is dominated by the moving oblique shock and its interaction with the IGV wake.
Analysis of the Interrow Flow Field Within a Transonic Axial Compressor: Part 1—Experimental Investigation
Contributed by the International Gas Turbine Institute and presented at the 45th International Gas Turbine and Aeroengine Congress and Exhibition, Munich, Germany, May 8–11, 2000. Manuscript received by the International Gas Turbine Institute February 2000. Paper No. 2000-GT-496. Review Chair: D. Ballal.
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Ottavy , X., Tre´binjac , I., and Vouillarmet , A. (February 1, 2000). "Analysis of the Interrow Flow Field Within a Transonic Axial Compressor: Part 1—Experimental Investigation ." ASME. J. Turbomach. January 2001; 123(1): 49–56. https://doi.org/10.1115/1.1328085
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