2008•The International Conference on Applied Mechanics and Mechanical EngineeringRequires access
MEASUREMENTS OF HIGH SPEED TRAIN NOISE DETECTED AT A RELEVANT DISTANCE AND A SIMPLE NUMERICAL MODEL.
J. Quartieri, Cláudio Guarnaccia, L. LENZA, Pierpaolo D’Agostino, Davide Maino
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Abstract
In this paper an experimental activity regarding the detection of noise produced by ahigh velocity train along a “almost” straight railway, and a semi-quantitative theoreticalmodel which gives the shape of trains noise in that running conditions, are described.During this investigation the comparison between software predictions andexperimental measurements was focused. At the present stage of our study we arestarting with the theoretical reproduction of the time history of the phenomenon. In aprevious paper we reported about the same goal referred to low velocity trains with verydifferent operating conditions. So in this work we try to underline differences andsimilarities.The experimental measurements procedure is based on the detection of the soundlevel outside a building placed in an interesting position with respect to the rail line. It issome three hundred meters far and in a position from which one can observe morethan three kilometres of railway. Measurements were performed by a first classMeasuring System.