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Heat transfer at a wedge in a hypersonic low-density gas stream

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

Results are presented of an approximate analysis of steady heat transfer on a sharp thin (sin θ ≈ θ < 1) strongly cooled (tw ≪ 1) wedge, washed by a hypersonic (M ≫ 1) gas stream at zero angle of attack under almost free-molecule conditions. Dimensionless parameters on which the heat transfer depends have been established; approximate formulas for estimation purposes are given.

The present analysis is not a rigorous quantitative theory and its results should be regarded only as estimates; its conclusions may be useful for experimental planning and for generalization of test data. The method used here is analogous to that applied in [1] in analyzing flow over a flat plate.

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References

  1. A. F. Charwat, Molecular Flow Study of the Hypersonic sharp Leading Edge Interaction. Rarefield Gas Dynamics. Proceeding of the second International Symposium on Rarefied Gas Dynamics (ed. by L. Talbot), New York-London, p. 553–573, 1961.

  2. G. N. Patterson, Molecular Flow of Gases [Russian translation], Fizmatgiz, 1966.

  3. E. H. Kennard, Kinetic theory of gases, McGraw-Hill, New York, 1938.

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  4. M. N. Kogan, “Hypersonic low-density gas flow,”PMM, vol. 26, no. 3, 1962.

  5. V. A. Perepukhov, “Flow over a flat plate at zero angle of attack in a very low-density gas stream,” Zh. vychisl. matem. i matem. fiz., vol. 3, no. 3, 1963.

  6. Yu. A. Koshmarov and N. M. Gorskaya, “Heat transfer at a plate in a supersonic low-density gas stream,” Inzh. zh., vol. 5, no. 2, 1965.

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Koshmarov, Y.A. Heat transfer at a wedge in a hypersonic low-density gas stream. J Appl Mech Tech Phys 6, 98–100 (1965). https://doi.org/10.1007/BF00919328

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  • DOI: https://doi.org/10.1007/BF00919328

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