Effect of heat treatment on the acoustic properties of a wooden xylophone keyboard

Ho Yang Kang, Chun Won Kang, Seung Hyun Hong, Junji Matsumura

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

To estimate changes in the acoustic properties of a wooden xylophone keyboard caused by heat treatment, the resonant frequencies and logarithmic decrement of control and heat-treated specimens of Yezo spruce (Picea jezoensis), Northern red oak (Quercus rubra) and Japanese red pine (Pinus densiflora S. et Z.) were evaluated by the free vibration method. A flexural vibration test was carried out by the xylophone stick free fall impact test. The changes in resonant frequency of the first mode and those of other modes by heat treatment were evaluated. And the changes in logarithmic decrement by heat treatment were evaluated. As a result of heat treatment, the resonant frequencies of the 1st mode of all specimens were decreased, and within a species the wood specimens of higher resonant frequencies were more influenced. In the case of the specimen with a higher resonant amplitude at the 2nd mode resonance frequency, the resonant amplitude of the 1st mode resonance frequency was increased more by heat treatment, so that the sound became more stable.

元の言語英語
ページ(範囲)157-163
ページ数7
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
61
発行部数1
出版物ステータス出版済み - 2 2016

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keyboards
acoustic properties
Acoustics
Hot Temperature
heat treatment
Pinus densiflora
Quercus rubra
Vibration
vibration
Picea jezoensis
Picea
Quercus
Pinus
testing
heat

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

これを引用

Effect of heat treatment on the acoustic properties of a wooden xylophone keyboard. / Kang, Ho Yang; Kang, Chun Won; Hong, Seung Hyun; Matsumura, Junji.

:: Journal of the Faculty of Agriculture, Kyushu University, 巻 61, 番号 1, 02.2016, p. 157-163.

研究成果: ジャーナルへの寄稿記事

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