Advertisement

Springer Nature is making SARS-CoV-2 and COVID-19 research free. View research | View latest news | Sign up for updates

Induction of subsonic wind tunnels with slight perforation

Abstract

In contrast to the well-known solutions in which the condition at the stream boundaries has the same form for all walls of the tunnel, in the present formulation the stream boundaries are divided into sections of two types with different boundary conditions. These conditions are general for any Mach numbers. The plane limiting boundary problem on the subsonic flow over a dipole is solved in elementary functions for the case of small velocity perturbations at the stream boundary and a low perforation factor. The solution obtained, while not coinciding with the solution for the case of unperforated walls everywhere when the perforation factor equals zero, gives a simple rule for allowing for induction.

This is a preview of subscription content, log in to check access.

Literature cited

  1. 1.

    G. L. Grodzovskii, A. A. Nikol'skii, G. P. Svishchev, and G. I. Taganov, Supersonic Gas Flow in Perforated Boundaries [in Russian], Mashinostroenie, Moscow (1967).

  2. 2.

    C. F. Lo and R. H. Oliver, “Subsonic lift interference in a wind tunnel with perforated walls,” J. Aircr.,7, No. 3 (1970).

  3. 3.

    M. Mokry, “A wake-blockage paradox in a perforated wall wind tunnel,” AIAA J.,9, No. 12 (1971).

  4. 4.

    H. Ashley and M. Landahl, Aerodynamics of Wings and Bodies, Addison-Wesley (1965).

Download references

Author information

Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 130–136, November–December, 1977.

Deceased.

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Marevtseva, N.A. Induction of subsonic wind tunnels with slight perforation. Fluid Dyn 12, 922–928 (1977). https://doi.org/10.1007/BF01090330

Download citation

Keywords

  • Boundary Condition
  • Perforation
  • Mach Number
  • Wind Tunnel
  • Boundary Problem