Aerodynamic derivatives of a cone with a semi-apex angle 20° at supersonic velocities

Abstract

The paper deals with an experimental study of stationary and nonstationary aerodynamic characteristics of a circular cone in the range of Mach numbers 1.75–7. The experimental equipment and the method of determining the aerodynamic characteristics are briefly described. The integral aerodynamic characteristics of the model in tests with force measurements and the aerodynamic derivatives of the pitching moment in dynamic tests on a setup with free oscillations are obtained. The experimental data are compared with numerical predictions.

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Correspondence to A. M. Kharitonov.

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Adamov, N.P., Kharitonov, A.M. & Chasovnikov, E.A. Aerodynamic derivatives of a cone with a semi-apex angle 20° at supersonic velocities. Thermophys. Aeromech. 21, 679–691 (2014). https://doi.org/10.1134/S086986431406002X

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Key words

  • cone
  • tests with force measurements
  • free oscillations
  • frequency of oscillations
  • damping decrement
  • aerodynamic derivatives