Author:
Merkine Lee-Or,Liu J. T. C.
Abstract
In this paper we study the development of large-scale wavelike eddies in a two-dimensional turbulent jet, extending earlier work on the mixing region (Liu 1974). The basic mean flow develops from one of mixing-region type with an initially specified boundary-layer thickness into a fully developed jet. This study brings out the role of the varicose and sinuous modes as they develop in a growing mean flow. In general, it is found that, for a given frequency parameter, the varicose mode has a shorter streamwise lifetime than the sinuous mode. For lower frequencies, the latter persists past the end of the potential core only to become subject to dissipation by the enhanced fine-scale turbulent activity in that region.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Reference28 articles.
1. Brown, G. & Roshko, A. 1972 Structure of the turbulent mixing layer. In Proc. 13th Int. Cong. Appl. Mech. Moscow (ed. E. Becker and G. K. Mikhailov).Springer.
2. Lighthill, M. J. 1962 Sound generated aerodynamically. (The Bakerian Lecture, 1961.) Proc. Roy. Soc. A267,147.
3. Oseberg, O. K. & Kline, S. J. 1971 The near field of a plane jet with several initial conditions.Stanford University Thermosci. Div. Rep. MD-28.
4. Kubota, T. & Dewey, C. F. 1964 Momentum integral methods for the laminar free shear layer.A.I.A.A. J. 2,625.
5. Kistler, A. L. & Chen, W. S. 1963 The fluctuating pressure field in a supersonic turbulent boundary layer.J. Fluid Mech. 16,41.
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