Acoustic Propagation In Curved Ducts With Extended Reacting Wall Treatment

Generated Summary

NASA Technical Memorandum 1021 10 Acoustic Propagation in Curved Ducts With Extended Reacting Wall Treatment Kenneth J. Baumeister Lewis Research Center Cleveland, Ohio c Prepared for the 1989 Winter Annual Meeting of the American Society of Mechanical Engineers San Francisco, California, December 10- 15, 1989 C ABSTRACT i n ACOUSTIC PROPAGATION IN CURVED DUCTS WITH EXTENDED REACTING WALL TREATMENT Kenneth J. Baumeister National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio 44135 nite-element Galerkin formulation has been to study the attenuation of acoustic waves ng in two-dimensional S-curved ducts with walls without a mean flow. (10)

Category

Physics

NASA NTRS Link

https://ntrs.nasa.gov/citations/19890016299

Extracted Keywords

curved duct, sound, absorber thickness, duct length, attenuation, acoustical society

  • Author: Baumeister, Kenneth J.
    Publication Date: January 1, 1989

Keyword Frequency

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