Abstract:The primary state-of-the-art laboratory method for the evaluation of the response and fatigue characteristics of skin panels exposed to intense noise is the progressive-wave or parallel incidence test facility. This method obtains the highest sound-pressure levels per unit input power by minimizing the cross-sectional area of the duct and also maintains a relatively flat frequency response. However, many of the current configurations provide excessive radiation damping to the panel in its lower modes. This pap… Show more
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