Unified Description of Second-Order Phenomena in Sound Waves

Tomoo Kamakura, Kenji Yasuda, Yoshiro Kumamoto

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The generation mechanism of acoustic streaming and radiation pressure are discussed along with the KZK equation, which explains successfully the propagation of finite-amplitude sound waves. The energy loss of a sound beam in a viscous fluid generates the driving force of streaming which induces mass flow in the beam. The radiation pressure acts on the surface of an object whose acoustic impedance is different from the fluid. The effect of flow generated around the object on the radiation pressure is greater when the object is smaller. The main purpose of this paper is to describe the unified relationships among waveform distortion, acoustic streaming, and radiation pressure.

Original languageEnglish
Pages (from-to)76-82
Number of pages7
JournalElectronics and Communications in Japan, Part III: Fundamental Electronic Science (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume82
Issue number2
Publication statusPublished - 1999 Feb
Externally publishedYes

Fingerprint

Acoustic streaming
Acoustic waves
Radiation
Acoustic impedance
Fluids
Energy dissipation

Keywords

  • Acoustic streaming
  • KZK equation
  • Nonlinear acoustics
  • Radiation pressure

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

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AB - The generation mechanism of acoustic streaming and radiation pressure are discussed along with the KZK equation, which explains successfully the propagation of finite-amplitude sound waves. The energy loss of a sound beam in a viscous fluid generates the driving force of streaming which induces mass flow in the beam. The radiation pressure acts on the surface of an object whose acoustic impedance is different from the fluid. The effect of flow generated around the object on the radiation pressure is greater when the object is smaller. The main purpose of this paper is to describe the unified relationships among waveform distortion, acoustic streaming, and radiation pressure.

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KW - Radiation pressure

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