Abstract
Some preliminary results on the behaviour of controlled wave disturbances introduced artificially into turbulent channel flow are reported. Weak plane-wave disturbances are introduced by vibrating ribbons near each wall. The amplitude and relative phase of the streamwise component of the induced wave is educed from a hot wire signal, allowing the wave speed and attenuation characteristics and the wave shape to be traced downstream. The normal component and wave Reynolds stress have been inferred from these data. It appears that Orr–Sommerfeld theories attempted to date are inadequate for description of these waves.
References
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Dates
Type | When |
---|---|
Created | 19 years, 5 months ago (March 28, 2006, 10:49 p.m.) |
Deposited | 6 years, 5 months ago (March 31, 2019, 11:20 a.m.) |
Indexed | 3 days, 3 hours ago (Aug. 29, 2025, 6:22 a.m.) |
Issued | 55 years, 4 months ago (April 13, 1970) |
Published | 55 years, 4 months ago (April 13, 1970) |
Published Online | 19 years, 5 months ago (March 29, 2006) |
Published Print | 55 years, 4 months ago (April 13, 1970) |
@article{Hussain_1970, title={The mechanics of an organized wave in turbulent shear flow}, volume={41}, ISSN={1469-7645}, url={http://dx.doi.org/10.1017/s0022112070000605}, DOI={10.1017/s0022112070000605}, number={2}, journal={Journal of Fluid Mechanics}, publisher={Cambridge University Press (CUP)}, author={Hussain, A. K. M. F. and Reynolds, W. C.}, year={1970}, month=apr, pages={241–258} }