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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Jotautienė, Eglė;Merkevičius, Stanislovas
Title: Mathematical models for acoustical pollution prognosis at signalized intersections
Is part of: Journal of vibroengineering. Vilnius : Vibromechanika, Vol. 13, iss. 2 (2011)
Extent: p. 365-370
Date: 2011
Keywords: Traffic noise;Intersection;Mathematical model
Abstract: Noise related problems are increasing worldwide with detrimental effects on health and quality of life[18]. The regulations and laws of European Union and Lithuania emphasize the importance of noise reduction, the necessity to collect and disseminate information related to traffic flow, the development of traffic flow mathematical models and their implementation for noise evaluation. In this paper, mathematical methods are applied to determine the noise intensity. Measurements of urban traffic noise were performed at the arterial street intersections in Kaunas ant its suburbs. At this location traffic flow rates are high and noise is dominated by low frequencies. It was determined that the LAeq levels decrease continuously till the end of cycle of the green traffic signal. The developed methodology can be used to estimate traffic noise levels in a city and country districts using data provided by the automated traffic flow registration system. The aim of the article is to develop the mathematical model of a longitudinal noise sources and to apply it for the prediction of acoustical pollution in an environment of roads and streets intersections
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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