A precis of developments in the aeroacoustics of fast trains

被引:26
作者
King, WF
机构
[1] German Aerospace Establishment (DLR), Department of Turbulence Research, D-10623 Berlin
关键词
D O I
10.1006/jsvi.1996.0275
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
After briefly reviewing the important mechanisms by which aerodynamic sound sources are generated on high speed tracked vehicles, two characteristic train speeds that quantify the significance of this noise are defined. The results of microphone array measurements are used to illustrate sound levels generated by flow interactions with a pantograph. Recent developments in measurement technology, analysis and hardware are then surveyed. (C) 1996 Academic Press Limited
引用
收藏
页码:349 / 358
页数:10
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