Wave velocity measurement in granular materials under micro-gravity

Xiangwu Zeng, Juan H. Agui, Masami Nakagawa

研究成果: Contribution to conferencePaper査読

2 被引用数 (Scopus)

抄録

Experiments were conducted at NASA Glenn Research Center on the 2.2 second drop tower facility to measure velocities of P and shear waves using piezoelectric sensors. A large amount of interesting data was generated, which showed a clear dependence of wave velocities on gravity. The measured wave velocities can be used to characterize mechanical properties of granular materials. This method offers a promising technique which is light-weight, non-intrusive, reliable, and continuous for monitoring performance and determining properties of granular materials under a wide range of gravities. Potential applications in space flight and surface exploration on the moon and Mars are discussed.

本文言語英語
ページ15769-15779
ページ数11
DOI
出版ステータス出版済み - 2005
イベント43rd AIAA Aerospace Sciences Meeting and Exhibit - Reno, NV, 米国
継続期間: 1 10 20051 13 2005

その他

その他43rd AIAA Aerospace Sciences Meeting and Exhibit
国/地域米国
CityReno, NV
Period1/10/051/13/05

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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