Application of acoustic model to traffic noise mapping – a case study

• Autorzy: Komorski P. , Szymanski G.

Identyfikatory

DOI

10.21008/j.2449-920X.2017.69.3.05

Warianty tytułu

PL

Aplikacja modeli akustycznych do opracowania map hałasu transportu miejskiego – studium przypadku

• Języki publikacji: EN

Abstrakty

EN

Nowadays traffic noise in large urban areas became serious problem, especially for inhabitants and their life comfort. It is well founded to accurately identify the sound sources and their impact to environment. Therefore plenty of acoustic models allow to calculate the distribution and prediction of sound pressure levels. Unfortunately many of them do not have the required calculation accuracy in different conditions. In the article is presented the comparison of the traffic noise modelling and measurement on the selected area of Poznan City (Poland). The LimA software was used to elaborate several acoustic maps, with different input parameters of model. The traffic noise measurement was performed during day time. Differences are shown and analyzed. Also one of the solution to reduce traffic noise was proposed.

PL

W artykule przedstawiono porównanie opracowanego modelu propagacji hałasu generowanego przez miejski transport drogowy oraz szynowy na wybranym obszarze śródmiejskim z rzeczywistym ciągłym pomiarem równoważnego poziomu dźwięku skorygowanego na podstawie charakterystyki częstotliwościowej A w porze dziennej, tj. w godzinach 6.00– 22.00. Mapy akustyczne opracowano za pośrednictwem programu Lima firmy Brüel & Kjær. Celem badań była walidacja modelu akustycznego w określonym miejscu. Ponadto opracowano kolejne modele akustyczne w celu zaproponowania obniżenia poziomu hałasu na wskazanym obszarze przez umieszczenie wzdłuż drogi ekranów akustycznych.

Słowa kluczowe

EN

road and rail noise measurement; traffic noise map

PL

pomiary hałasu środków transportu drogowego i szynowego; mapy akustyczne

• Wydawca: Wydawnictwo Politechniki Poznańskiej
• Czasopismo: Journal of Mechanical and Transport Engineering
• Rocznik: 2017
• Tom: Vol. 69, No. 3
• Strony: 51--62
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Komorski P.

• Faculty of Machines and Transport, Department of Rail Vehicles, Poznan University of Technology

autor

Szymanski G.

• Faculty of Machines and Transport, Department of Rail Vehicles, Poznan University of Technology

Bibliografia

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Uwagi

Opracowanie w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).