1990
DOI: 10.1017/s0022112090003019
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The response of a laminar boundary layer in supersonic flow to small-amplitude progressive waves

Abstract: In this paper the effect of a small-amplitude progressive wave on the laminar boundary layer on a semi-infinite flat plate, due to a uniform supersonic free-stream flow is considered. The perturbation to the flow caused by the wave divides into two streamwise zones. In the first, relatively close to the leading edge of the plate, on a transverse scale comparable with the boundary-layer thickness, the perturbation flow is described by a form of the unsteady linearized compressible boundary-layer equations. In t… Show more

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Cited by 12 publications
(22 citation statements)
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“…It was shown by Gaponov [13] that its value can vary within wide limits, and it can either exceed unity in modulus or vanish. A possibility of the reflection with a factor being less then unity is in contradiction with the data of Duck [18]. It should be noted that the results of Duck [18] were obtained without regard for the viscosity effect which in the stability theory is related to the quantity αR.…”
Section: The Reflection Factors and Oscillations In A Boundary Layermentioning
confidence: 70%
“…It was shown by Gaponov [13] that its value can vary within wide limits, and it can either exceed unity in modulus or vanish. A possibility of the reflection with a factor being less then unity is in contradiction with the data of Duck [18]. It should be noted that the results of Duck [18] were obtained without regard for the viscosity effect which in the stability theory is related to the quantity αR.…”
Section: The Reflection Factors and Oscillations In A Boundary Layermentioning
confidence: 70%
“…This approach will henceforth be denoted local LNS. The Stokes layer has a double-layer asymptotic structure in the high Strouhal number limit [15,26]. This means that, for a fixed frequency, the Stokes layer has a constant thickness, as well as constant velocity and temperature disturbance profiles in the downstream limit.…”
Section: A Compressible Stokes Layermentioning
confidence: 99%
“…While our profiles agree qualitatively, we have not attempted to establish a quantitative comparison because it proved hard to extract reliable data from the figures of TR. Another source of comparison comes from the work of Duck [15]. Duck established the linearized compressible boundary layer equations through a direct linearization of the unsteady form of Eq.…”
Section: A Compressible Stokes Layermentioning
confidence: 99%
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