Impact of threaded openings in composite structures upon sound absorption | Zendy

В. Ф. Макаров | Zendy; В Я Модорский | Zendy; Vladimir Modorsky | Zendy; Ринат Абзаев | Zendy; Игорь Койнов | Zendy; Igor Koynov | Zendy; Александр Дударев | Zendy; Alexandr Dudarev | Zendy; Daria Khrolikova | Zendy

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Impact of threaded openings in composite structures upon sound absorption

Author(s) -

В. Ф. Макаров,

В Я Модорский,

Vladimir Modorsky,

Ринат Абзаев,

Игорь Койнов,

Igor Koynov,

Александр Дударев,

Alexandr Dudarev,

Daria Khrolikova

Publication year - 2019

Publication title -

science intensive technologies in mechanical engineering

Language(s) - English

Resource type - Journals

ISSN - 2223-4608

DOI - 10.30987/article_5d9dc9b8cfaa96.66857417

Subject(s) - composite number , sound (geography) , acoustics , absorption (acoustics) , materials science , resonator , structural engineering , engineering , composite material , physics , optoelectronics

There is considered and offered an idea of threaded opening use instead of smooth openings in single-layered sound absorbing structures (SAS). A procedure for a numerical modeling of a type and opening shape impact in cells of single-layered SAS upon sound absorption using Ansys CFX program package is described. The investigations are carried out at different frequencies in the throat of a resonator of boards made of VKU-39 composite.

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