Flow-field interactions are studied in a high-through-flow, axial-flow transonic compressor using Digital Particle Image Velocimetry (DPIV). Measurement of instantaneous velocities in two-dimensional (2D) planes in the main flow direction allows characterization of the unsteadiness of spatial structures from an upstream blade row and their interaction with the downstream rotor. The measurement system is specially designed for a large transonic environment, which introduces conditions that differ from those generally encountered by traditional DPIV systems. Viewing windows on the compressor housing are used to allow optical access, and the design of a special optical probe permits laser-sheet delivery through one of the wake generators (WG). The system is synchronized with the blade passage and is remotely monitored and controlled. Through flow visualization and instantaneous and ensemble-averaged quantities, it clearly captures the interactions of the wake with the potential field of the rotor leading edge (LE) and its bow shock, vortex shedding, vortex-blade synchronization, wake chopping, and boundary-layer flow at the housing for several configurations.
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March 2002
Technical Papers
Study of Wake-Blade Interactions in a Transonic Compressor Using Flow Visualization and DPIV
J. Estevadeordal, Mechanical Engineer,
J. Estevadeordal, Mechanical Engineer
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
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S. Gogineni, Senior Engineer,
S. Gogineni, Senior Engineer
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
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L. Goss, Analytical Chemist, President ISSI,
L. Goss, Analytical Chemist, President ISSI
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
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W. Copenhaver, Principal Aerospace Research Engineer,
W. Copenhaver, Principal Aerospace Research Engineer
Air Force Research Laboratory, AFRL/PRTF, Bldg. 18, Wright-Patterson Air Force Base, OH 45433
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S. Gorrell, Aerospace Engineer
S. Gorrell, Aerospace Engineer
Air Force Research Laboratory, AFRL/PRTF, Bldg. 18, Wright-Patterson Air Force Base, OH 45433
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J. Estevadeordal, Mechanical Engineer
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
S. Gogineni, Senior Engineer
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
L. Goss, Analytical Chemist, President ISSI
Innovative Scientific Solutions, Inc., 2766 Indian Ripple Rd., Dayton, OH 45440
W. Copenhaver, Principal Aerospace Research Engineer
Air Force Research Laboratory, AFRL/PRTF, Bldg. 18, Wright-Patterson Air Force Base, OH 45433
S. Gorrell, Aerospace Engineer
Air Force Research Laboratory, AFRL/PRTF, Bldg. 18, Wright-Patterson Air Force Base, OH 45433
Contributed by the Fluids Engineering Division for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received by the Fluids Engineering Division January 29, 2001; revised manuscript received August 24, 2001. Associate Editor: A. K. Prasad.
J. Fluids Eng. Mar 2002, 124(1): 166-175 (10 pages)
Published Online: August 24, 2001
Article history
Received:
January 29, 2001
Revised:
August 24, 2001
Citation
Estevadeordal, J., Gogineni, S., Goss, L., Copenhaver, W., and Gorrell, S. (August 24, 2001). "Study of Wake-Blade Interactions in a Transonic Compressor Using Flow Visualization and DPIV ." ASME. J. Fluids Eng. March 2002; 124(1): 166–175. https://doi.org/10.1115/1.1429638
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