2015年9月
Distinct effects of moisture and air contents on acoustic properties of sandy soil
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
- ,
- ,
- 巻
- 138
- 号
- 3
- 開始ページ
- EL258
- 終了ページ
- EL263
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1121/1.4929736
- 出版者・発行元
- ACOUSTICAL SOC AMER AMER INST PHYSICS
Knowledge of distinct effects of moisture content and air volume on acoustic properties of soil is sought to predict the influence of human activities such as cultivation on acoustic propagation outdoors. This work used an impedance tube with the two-thickness method to investigate such effects. For a constant moisture weight percentage, the magnitude of the characteristic impedance became smaller and the absorption coefficient became higher with increase of the air space ratio. For a constant air space ratio, the absorption coefficient became larger and the magnitude of the propagation constant became smaller with increasing moisture weight percentage. (C) 2015 Acoustical Society of America
- リンク情報
- ID情報
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- DOI : 10.1121/1.4929736
- ISSN : 0001-4966
- eISSN : 1520-8524
- Web of Science ID : WOS:000368643800015