Summary
The paper reports some of the results of an ongoing study of the effect of imposed unsteadiness on the time-mean behavior as well as the detailed structure of unsteady turbulent flows. First, experimental data obtained in a very simple unsteady flow namely periodic turbulent flow in a long circular pipe are presented. Secondly, a calculation procedure based on an existing one-equation steady flow turbulence model has been developed and used to predict periodic pipe flow with a view to studying the implications of such models in the calculation of rapidly varying unsteady flows. The important difference between this study and those reported in the earlier literature is that attention is now focussed on flows in which the imposed oscillation frequency is of the same order as the characteristic frequency of turbulence.
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References
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© 1981 Springer-Verlag, Berlin, Heidelberg
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Ramaprian, B.R., Tu, S.W. (1981). Periodic Turbulent Pipe Flow at ‘High’ Frequencies of Oscillation. In: Michel, R., Cousteix, J., Houdeville, R. (eds) Unsteady Turbulent Shear Flows. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81732-8_4
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DOI: https://doi.org/10.1007/978-3-642-81732-8_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-81734-2
Online ISBN: 978-3-642-81732-8
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