Squealing noise in light rail transport systems: Implications in noise mapping

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F09%3A00164939" target="_blank" >RIV/68407700:21110/09:00164939 - 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

Squealing noise in light rail transport systems: Implications in noise mapping

Popis výsledku v původním jazyce

Squealing noise is generated by railway vehicles riding through curves having closed radius. It is a result of wheels sliding on the rail when they negotiates a curve. This kind of noise has a characteristic spectrum that is dominated by discrete frequency components. Usually, squeal noise is not correctly accounted in urban areas noise maps. This paper presents the results of field measurements of squealing noise in Porto (Portugal) where a new light-rail system is operating. With the results obtainedfrom in situ measurements, the squealing noise was simulated using Cadna/A software. This paper compares three variants of squeal noise use and simulation with the software Cadna/A. Comparing the noise map generated using the field measurements, with maps taking no account for squealing noise, a large difference in noise levels can be found. A correction method was found to be incorporated in this model to improve the noise map estimation procedure.

Název v anglickém jazyce

Squealing noise in light rail transport systems: Implications in noise mapping

Popis výsledku anglicky

Squealing noise is generated by railway vehicles riding through curves having closed radius. It is a result of wheels sliding on the rail when they negotiates a curve. This kind of noise has a characteristic spectrum that is dominated by discrete frequency components. Usually, squeal noise is not correctly accounted in urban areas noise maps. This paper presents the results of field measurements of squealing noise in Porto (Portugal) where a new light-rail system is operating. With the results obtainedfrom in situ measurements, the squealing noise was simulated using Cadna/A software. This paper compares three variants of squeal noise use and simulation with the software Cadna/A. Comparing the noise map generated using the field measurements, with maps taking no account for squealing noise, a large difference in noise levels can be found. A correction method was found to be incorporated in this model to improve the noise map estimation procedure.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BI - Akustika a kmity

OECD FORD obor

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Projekt

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Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2009

Kód důvěrnosti údajů

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

Název periodika

Proceedings of Meetings on Acoustics

ISSN

1939-800X

e-ISSN

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Svazek periodika

8

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

16

Strana od-do

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Kód UT WoS článku

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EID výsledku v databázi Scopus

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