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A Limiting Solution for Flow Past a Delta Wing in the Presence of Supercritical Flow Regions

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Abstract

The flow past a planar delta wing is studied for strong interaction between the boundary layer and the outer supersonic flow. An analytic investigation is carried out using the “Newtonian” passage to the limit in which the specific heat ratio tends to unity and the Mach and Reynolds numbers to infinity. Possible flow regimes are classified for various wing aspect ratios. For determining the supercritical-subcritical flow transition line an analytic expression, correct to the second approximation, is obtained for flow past a cold wing with a fairly large aspect ratio in which the transverse boundary-layer flows are insignificant.

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Dudin, G.N., Neiland, V.Y. A Limiting Solution for Flow Past a Delta Wing in the Presence of Supercritical Flow Regions. Fluid Dynamics 37, 939–950 (2002). https://doi.org/10.1023/A:1022308615249

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  • DOI: https://doi.org/10.1023/A:1022308615249

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