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The effectiveness of a gaseous film on a tubular surface

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

A number of articles on protecting structural elements from high-temperature gas flows deal with the effectiveness of gaseous films and various methods for producing such films [1–9]. All these investigations were carried out for smooth surfaces. In technology, however, we often encounter the need for cooling surfaces with large-scale roughness.

This article is devoted to an experimental study of protective cooling of surfaces with regular macroroughness commensurable with the thickness of the boundary layer.

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References

  1. S. S. Kutateladze and A. I. Leont'ev, “A thermal film on a turbulent gas boundary layer, ” Teplofizika vysokikh temperatur, vol. 1, no. 2, 1963.

  2. V. Ta. Borodachev, A Theoretical and Experimental Investigation of Air Film Cooling of a Flat Plate [in Russian], Oborongiz, 1956.

  3. Garnett, Eckert, and Birkebak “An analysis of the principal characteristics of a turbulent boundary layer foi an air flow delivered through tangential slits, “ Transactions of the American Society of Mechanical Engineers, J. Heat Transfer, ser. C, vol. 83, no. 3, 1961.

  4. Chin, Skirvin, Hayes, Barkgraf, “Film cooling with multislit and grid injection,” Transactions of the American Society of Mechanical Engineers, J. Heat Transfer, ser. C, vol. 83, no. 3, 1961.

  5. Seban, Beck, “Velocity and temperature profiles in a turbulent boundary layer with air delivered through a tangential slit,” Transactions of the American Society of Mechanical Engineers, J. Heat Transfer, set. C., vol. 84, no. 1, 1962.

  6. R. A. Seban, “Heat transfer and effectiveness for a turbulent boundary layer with tangential fluid injection, “ Transactions of the ASME. J. Heat Transfer, ser. C, vol. 82, no. 4, 1960.

  7. Sellers, “Combined external and internal cooling,” AIAA Journal, vol. 1, no. 9, 1963.

  8. Sellers, “Gaseous film cooling with multiple injection stations,” AIAA Journal, vol. 1, no. 9, 1963.

  9. Niishi Nishiwaki, Masaru Hirata, and Akira Tsuchida, “Heat transfer on a surface covered by a cold air film,” Internat. Development in Heat Transfer, part IV, section A, 1961.

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Authors and Affiliations

  1. Novosibirsk

    E. P. Volchkov & V. Ya. Levchenko

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  1. E. P. Volchkov
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  2. V. Ya. Levchenko
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Volchkov, E.P., Levchenko, V.Y. The effectiveness of a gaseous film on a tubular surface. J Appl Mech Tech Phys 7, 79–84 (1966). https://doi.org/10.1007/BF00912839

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  • DOI: https://doi.org/10.1007/BF00912839

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