Sound car radiation from city crossroad

Piddubniak, Оlexa; Piddubniak, Nadia; Kurek, Łukasz; Dujka, Magdalena

doi:10.1109/diped.2009.5307268

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“…In real situation many natural factors such as inhomogeneity, temperature and moisture (1) Modern roundabouts: An informational guide -http://www.tfhrc.gov/safety/00068.htm of air, or the roadbed state, have influence on this structure formation. Recently, velocity and direction of wind were taken into consideration in the mathematical modeling of noise generated from the elements of city roadway as a part of multilane road (Piddubniak et al, 2009b) and traffic cross-road (Piddubniak et al, 2009a).…”

Section: Introductionmentioning

confidence: 99%

Sound Radiation from a Roundabout

Piddubniak¹,

Piddubniak²

2010

Archives of Acoustics

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Sound propagation from the vehicles moving on the city roundabout, with taking into account the wind is investigated. Solution of the problem for one moving sound source is found by means of the integral Fourier transforms extended over space variables and time. Inverse transforms are calculated approximately, using a stationary phase method and iterative technique. The solution for a general problem is obtained as a superposition of many partial solutions. The numerical analysis of noise characteristics is performed for the three-way Korfanty roundabout case in Łódź.

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Section: Introductionmentioning

confidence: 99%