Propagation of Sound in Matter.

Abstract

Contents: Ultrasonic Attenuation in Liquid Helium at 1 GHz; Size Effects in Liquid Helium II as Measured by Fourth Sound and The Attenuation of Fourth Sound; Third Sound in Unsaturated Films of Superfluid Helium; A Specific Heat and Fourth Sound Measurement of Size Effects in Liquid Helium; Experimental Study of the Lambda Transition of Liquid Helium Using First Sound Attenuation; Attenuation of Third Sound in Liquid Helium and the Stability of Multiply Quantized Persistent Circulations of a Thin Helium Film in the Landay Region; Hypersonic Attenuation in the Vicinity of the Superfluid Transition of Liquid Helium; Investigation of Persistent Current States in Rotating Superfluid Helium Contained in Superleak Using Doppler-Shifted Fourth Sound; Investigation of the thickness and Critical Velocity of a Moving Unsaturated Superfluid Film Using Doppler Shifted Third Sound; Third Sound Velocity and Attenuation Below 1.2 Degrees Kelvin; A Study of the Trapping of Superfluid Persistent Currents in Superleaks; Non-Linear Parametric Generation of Sound by Resonant Mode Conversion; A Study of Persistent Currents in Superfluid 4He.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 1982
Accession Number
ADA111842

Entities

People

  • Isadore Rudnick

Organizations

  • University of California, Los Angeles

Tags

Communities of Interest

  • Biomedical
  • Energy and Power Technologies
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustics
  • Air Force
  • Contracts
  • Crystal Lattice Vibrations
  • Doppler Effect
  • Equations
  • Jet Propulsion
  • Low Temperature
  • Measurement
  • Military Research
  • Phase Transformations
  • Scattering
  • Sound Waves
  • Standing Waves
  • Thermodynamics
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Combustion and Flow Dynamics.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.

Technology Areas

  • Hypersonics