Other Reports

Recommendations for Acoustical Test Facility for Maglev Research

  • 01
  • Sep
  • 1992
AUTHOR: Carl Hanson, Phillip Abbot, Ira Dyer
REPORT NUMBER: 291550-4
SUBJECT: Maglev
KEYWORDS: Noise Assessment, Test Program, Environmental Impact
ABSTRACT: Noise from high speed operations of a maglev system is a source of concern. The German and Japanese prototype maglev systems generate high noise levels at very high speeds. Without mitigation, a maglev system may encounter public opposition if introduced to the existing transportation system in the United States. Based on progress made by the aircraft industry there are many reasons to believe that the noise level can be brought to acceptable levels. In the case of maglev, however, research is needed to develop a better understanding of the mechanisms of aerodynamic sound generation associated with high speed operations. A comprehensive acoustical test program should be an integral part of any full scale testing program undertaken as part of a U.S. maglev development. The primary benefit from an acoustical testing program will be a quieter maglev system. Secondary benefits include a better understanding of aeroacoustic sources and aerodynamic drag associated with high speed surface transportation systems.

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