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Measurement and analysis of tip clearance unsteady
flow spectrum in axial-flow fan rotor |
| LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang |
| School of Power and Energy, Northwestern Polytechnical University |
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Abstract The dynamic pressure measurement device and test technology are described in this study. The tip clearance unsteady flow development from the inlet to the outlet of an axial-flow rotor was revealed by analyzing pressure frequency spectrum acquired from measuring the unsteady pressure field of the tip endwall. The experiment provides test basis for thoroughly understanding the tip clearance unsteady flow and building interaction models of tip clearance flow and main flow.
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Issue Date: 05 December 2008
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| 1 |
Adamczyk J J, Celestina M L, Greitzer E M, et al.. The role of tip clearance in high-speed fanstall. ASME Journal of Turbomachinery, 1993, 115(1): 28–39.
doi:10.1115/1.2929212
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Ma Hongwei, Jiang Haokang . Unsteady static pressurefield on the tip endwall of an axial-flow compressor rotor passage. Journal of Engineering Thermophysics, 2000, 21(1): 42–45 (in Chinese)
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Zhang Liaoyuan, Hu Jun . Test technology of unsteadyflow frequency spectrum performance of an axial compressor. Gas Turbine Experiment and Research, 2004, 17(1): 46–49 (in Chinese)
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