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A new shear-layer growth-rate compressibility-scaling parameter is proposed as an alternative to the total convective Mach number, M c . This parameter derives from considerations of compressibility as a means of kinetic-to-thermal-energy conversion and can be significantly different from M c for flows with far-from-unity free-stream-density and speed-of-sound ratios. Experimentally observed growth rates are well-represented by the new scaling.
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Slessor et al. (2000) studied this question.
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