A Study of Aeroacoustic Performance of a Contra-Rotating Axial Flow Compressor Stage
Keywords: Contra rotating axial flow compressor, Hub tip ratio, Contra rotors, Aeroacoustic performance
AbstractThe paper reports of an experimental investigation into the aeroacoustic performance of a contra-rotating axial flow compressor stage having a hub-tip ratio of 0.66. Aerodynamic superiority of a contra-stage is examined from the point of view of higher pressure rise, increased through flow and rotating stall suppression. Measurements of sound pressure level and real-time analysis of the noise signals is reported for two axial gap between the rotors on the aeroacoustic performance is discussed. The study reveals that the axial gap between the rotors significantly affects the aeroacoustic performance of a contra-stage.
How to Cite
Sharma, P., Pundhir, D., & Chaudhry, K. (2013). A Study of Aeroacoustic Performance of a Contra-Rotating Axial Flow Compressor Stage. Defence Science Journal, 41(2), 165-180. https://doi.org/10.14429/dsj.41.4424
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