Abstract
It is shown that a turbulent flow can support elastic waves for which the fluctuating stress is essentially proportional to the strain field. These fluctuations are described by a hyperbolic system and hence they do not decay away from a solid boundary. Their behaviour is also consistent with Taylor's “frozen field” hypothesis that turbulent fluctuations are advected with the local mean flow speed.
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Manton, M.J. Elastic waves in a turbulent fluid. Appl. Sci. Res. 27, 219–233 (1973). https://doi.org/10.1007/BF00382487
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DOI: https://doi.org/10.1007/BF00382487