Noise emission corrections at intersections based on microscopic traffic simulation

One of the goals of the European IMAGINE project, is to formulate strategies to improve traffic modelling for application in noise mapping. It is well known that the specific deceleration and acceleration dynamics of traffic at junctions can influence local noise emission. However, macroscopic traffic models do not always model intersections,...

Sound transmission through junctions between lightweight floors and walls: Comparison of FEM-, SEA- and measurement results

Overview of the theoretical development and experimental validation of blast sound-absorbing surfaces

An analytical and experimental study has been performed on the design and construction of high-energy blast sound-absorbing surfaces for the purpose of environmental noise mitigation. This paper provides an overview of the theoretical developments and the results of full-scale experiments conducted at the U.S. Army's Fort Drum facility in the...

Improved measurement methods for railway rolling noise

Some of the issues related to railway noise type testing are discussed and potential improvements to existing procedures are put forward. New and improved methods that also go beyond the scope of type testing are presented that help to characterize and analyze rolling noise more accurately. These methods are indirect measurement of total wheel...

Theoretical optimization of track components to reduce rolling noise

The control of railway rolling noise requires a reduction in wheel and track noise emission. In this paper, a parametric study of the possible minimization of the track sound power is presented. In an initial global approach, a number of potential variations in track parameters are assessed in terms of their likely effect on rolling noise. From...