Author:
Lessen M.,Fox J. A.,Zien H. M.
Abstract
The stability with respect to ‘supersonic’ disturbances of the laminar mixing of two parallel streams of a compressible fluid is studied. For locally supersonic disturbances there will be waves propagating outward from the mixing layer. The numerical results show that the flow is generally unstable with respect to supersonic disturbances, although the amplification rate is smaller than that for subsonic disturbances. The flow is more unstable at lower Mach number, and the increase of the angle between the disturbance wave-number vector and the principal flow direction tends to increase the instability.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Reference5 articles.
1. Zien, H. M. 1965 Ph.D. dissertation,University of Rochester.
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3. Lees, L. & Lin, C. C. 1946 Nat. Adv. Comm. Aero., Wash., TN no. 1115.
4. Lessen, M. , Fox, J. A. & Zien, H. M. 1965b J. Fluid Mech. 21,12.
5. Miles, J. W. 1958 J. Fluid Mech. 4,53.
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