电邮这篇文章 Assessment of incidence angles of acoustic pressure waves on the surface of the stringer structure of the dry compartment during rocket launch
- 作者: Popov P.A.1
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隶属关系:
- Progress Rocket and Space Center JSC
- 期: 卷 11, 编号 2 (2025): :27.06.2025
- 页面: 87-96
- 栏目: Articles
- URL: https://ogarev-online.ru/2409-4579/article/view/312418
- DOI: https://doi.org/10.18287/2409-4579-2025-11-2-87-96
- ID: 312418
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The paper presents experimental characteristics of sound insulation of the stringer compartment of the launch vehicle. It is shown that the resonant dips in the sound insulation spectrum, changing from launch to launch, depend on the angles of incidence of acoustic waves on the compartment surface. These conclusions were drawn on the basis of the mathematical model allowing to consider angular falling of acoustic waves on the cylindrical shell. Formulas for estimating the equivalent characteristics of the stringer shells of the compartments are proposed to evaluate the studied sound insulation parameters (equivalent thickness, elastic modulus, density, cylindrical and membrane rigidity).
作者简介
Pavel Popov
Progress Rocket and Space Center JSC
编辑信件的主要联系方式.
Email: banduir@rambler.com
Candidate of Science (Engineering), Leading Design Engineer of the Department of Loads
俄罗斯联邦, Samara参考
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