UNUSUAL METHODS OF MEASURING SOUND ABSORPTION COEFFICIENT: SMALL-SIZED REVERBERATION CHAMBERS

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F23%3A00367527" target="_blank" >RIV/68407700:21110/23:00367527 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

UNUSUAL METHODS OF MEASURING SOUND ABSORPTION COEFFICIENT: SMALL-SIZED REVERBERATION CHAMBERS

Popis výsledku v původním jazyce

This study is focused on solving a problem with the lack of measuring methods suitable for sound absorbing materials development. The conventionally used sound absorption measuring methods require either samples too large to be time-effective and economical in the early development stage, or too small to describe the material acoustic behaviour in sufficient detail. Thus, this study aims to find a suitable substitutional method that could replace the usually used ones. It focuses mainly on the topic of small-sized reverberation chambers. The practical part focuses on measuring in the Alpha cabin, an industrially used small-sized reverberation chamber. The measurement is performed in a modified version suitable for concrete samples with an unconventional size of 400x400 mm. The results are compared with the ones measured by the impedance tube method; based on the results, it is decided that this method is suitable for larger samples.

Název v anglickém jazyce

UNUSUAL METHODS OF MEASURING SOUND ABSORPTION COEFFICIENT: SMALL-SIZED REVERBERATION CHAMBERS

Popis výsledku anglicky

This study is focused on solving a problem with the lack of measuring methods suitable for sound absorbing materials development. The conventionally used sound absorption measuring methods require either samples too large to be time-effective and economical in the early development stage, or too small to describe the material acoustic behaviour in sufficient detail. Thus, this study aims to find a suitable substitutional method that could replace the usually used ones. It focuses mainly on the topic of small-sized reverberation chambers. The practical part focuses on measuring in the Alpha cabin, an industrially used small-sized reverberation chamber. The measurement is performed in a modified version suitable for concrete samples with an unconventional size of 400x400 mm. The results are compared with the ones measured by the impedance tube method; based on the results, it is decided that this method is suitable for larger samples.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/FW03010173" target="_blank" >FW03010173: Vývoj zvukoabsorpčního betonu pro interiérové aplikace</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of PhD Workshop, Department of Concrete and Masonry Structures 2023

ISBN

978-80-01-07137-3

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

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Název nakladatele

katedra betonových a zděných konstrukcí

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

26. 5. 2023

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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