Supersonic viscous perfect-gas flow past a slender sharp elliptic cone |
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Authors: | V. A. Bashkin I. V. Egorov V. V. Pafnut’ev |
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Affiliation: | V. A. Bashkin, I. V. Egorov and V. V. Pafnut’ev |
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Abstract: | The supersonic M∞ = 5 flow past slender elliptic cones with the semi-vertex angle in the plane of the major semi-axis ? c = 4° and an isothermal surface is investigated under the assumption of the flow symmetry. Calculations on the basis of the time-dependent three-dimensional Navier-Stokes and Reynolds equations are carried out on the Reynolds number and angle of attack ranges 104 ≤ Re ≤ 108 and 0 ≤ α ≤ 15° for cones with ellipticity coefficients 1/32 ≤ δ= b/a ≤ 1. The effect of the relevant parameters of the problem on the flowfield structure and the aerodynamic characteristics of the cones is demonstrated. |
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Keywords: | supersonic flow elliptic cone numerical modeling Navier-Stokes equations Reynolds equations |
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