Characteristics of underwater near-field acoustic radiation force acting on a planar object

Toru Hatanaka, Yoshikazu Koike, Kentaro Nakamura, Sadayuki Ueha, Yoshiki Hashimoto

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A phenomenon called near-field acoustic levitation (NFAL) has been reported where planar objects of several kilograms in weight are levitated in the air a few hundred micrometers away from a radiation surface. The authors experimentally studied the feasibility of underwater NFAL and demonstrated that planar objects can also be levitated in liquid. Furthermore, unexpected characteristics such as that attraction, in addition to the repulsive acoustic radiation force, acts on the planar object under certain conditions, were found.

Original languageEnglish
Pages (from-to)L1284-L1285
JournalJapanese Journal of Applied Physics, Part 2: Letters
Volume38
Issue number11 A
DOIs
Publication statusPublished - 1999 Nov 1

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

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