About the Dynamic Damping Coefficients of a Segmental-Cone Model at Mach M = 2.3.-Reference-Cited by-同舟云学术

About the Dynamic Damping Coefficients of a Segmental-Cone Model at Mach M = 2.3.

Published:2022-04-15 Issue:1 Volume:17 Page:34-46
ISSN:2541-9447
Container-title:SIBERIAN JOURNAL OF PHYSICS
language:
Short-container-title:jour

Author:

Adamov N. P.¹,Mishchenko N. A.²,Chasovnikov E. A.¹

Affiliation:

1. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences

2. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences; Novosibirsk state University

Abstract

In order to describe the nonlinear behavior of oscillation amplitude of the segmental-conical model on a transversive rod setup in a wind tunnel at Mach М = 2, a polynomial function of damping derivatives was used. Polynom of the 4th degree as a function of viscous damping allowed to describe two limit cycles observed in experiments. Coefficients of the polynom were determined and showed sufficient agreement with a direct numerical solution of the proposed dynamic equation.

Publisher

Novosibirsk State University (NSU)

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