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The noise reduction performance of resonant acoustic liners deteriorates in the presence of airflow. We show that noise reduction performance can be maintained even in the presence of airflow when a fine-perforated film is attached to the liner surface with a small gap.
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This page is a summary of: Acoustic Liners Combined with Fine Perforated Film, AIAA Journal, June 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.j063239.
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