Noise levels from magnetically-levitated trains (maglev) at very high speed may be high enough to cause environmental noise impact in residential areas. Aeroacoustic sources dominate the sound at high speeds and guideway vibrations generate noticeable sound at low speed. In addition to high noise levels, the startle effect as a result of sudden onset of sound from a rapidly moving nearby maglev vehicle may lead to increased annoyance to neighbors of a maglev system. The report provides a base for determining the noise consequences and potential mitigation for a high speed maglev system in populated areas of the United States. Four areas are included in the study: (1) definition of noise sources; (2) development of noise criteria; (3) development of design guidelines; and (4) recommendations for a noise testing facility.


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    Title :

    Noise from High Speed Maglev Systems: Noise Sources, Noise Criteria, Preliminary Design Guidelines for Noise Control, Recommendations for Acoustical Test Facility for Maglev Research


    Contributors:
    C. E. Hanson (author) / P. Abbot (author) / I. Dyer (author)

    Publication date :

    1993


    Size :

    196 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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