A computational study of trailing edge noise suppression with embedded structural compliance

Irsalan Arif, Randolph Chi Kin Leung, Muhammad Rehan Naseer

Research output: Journal article publicationJournal articleAcademic researchpeer-review

Abstract

A unique concept for suppression of trailing edge noise scattering from a splitter plate in a low Reynolds number flow is proposed. The key idea of the concept is the adoption of a structural compliance system embedded with a finite number of elastic panels. Specific compliance system designs are devised for promotion of panel structural resonance that effectively absorbs broadband flow/acoustic fluctuation energy responsible for noise scattering. The concept is examined using high-fidelity direct aeroacoustic simulation together with spatiotemporal aeroacoustic-structural interaction analysis. The concept is confirmed feasible and outperforms many similar trailing edge noise reduction approaches reported in the literature.
Original languageEnglish
Article number023602
JournalJASA Express Letters
Volume3
Issue number2
Publication statusPublished - 21 Feb 2023

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