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Wave Propagation on Turbulent Jets: II. Growth

Thwaites, S.; Fletcher, Neville H.


The growth in amplitude of a sinuous disturbance propagating along a fully turbulent diverging planar air jet is studied experimentally for a range of slit widths, blowing pressures and acoustic excitation frequencies relevant to organ pipes. The wave amplitude is found to increase approximately exponentially ·with distance provided this amplitude remains .small compared with the local jet width. For larger amplitudes the growth becomes linear. In the exponential growth regime the local...[Show more]

CollectionsANU Research Publications
Date published: 1980
Type: Journal article
Source: Acta Acustica united with Acustica
Access Rights: Open Access


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