Abstract
The propagation of disturbances in three-dimensional boundary layers under the conditions of a global and a local strong inviscid-viscous interaction is analyzed. A system of subcharacteristics is found based on the condition for the pressure-related subcharacteristic, and an algebraic relation that gives the propagation velocity of disturbances is obtained. The velocity of propagation of disturbances is calculated for two- and three-dimensional flows. The studied problem is of great importance for accurately formulating problems for three-dimensional unsteady boundary-layer equations and for constructing adequate computational models.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 40, No. 3, pp. 116–127, May–June, 1999.
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Krechetnikov, R.V., Lipatov, I.I. Propagation of disturbances in three-dimensional supersonic boundary layers. J Appl Mech Tech Phys 40, 461–470 (1999). https://doi.org/10.1007/BF02468402
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DOI: https://doi.org/10.1007/BF02468402