A wave equation model for retrograde media with a bubble structure

V. G. Gasenko, V. E. Nakoryakov

Research output: Contribution to journalArticle

Abstract

A nonlinear wave equation is obtained for liquid-vapor mixtures with regard to arbitrary change of equilibrium sound speed in a mixture with growth and condensation of vapor bubbles, which has a limit transition to a wave equation for pure liquid at full collapse of vapor cavities. A particular case of a collapsing wave equation (CWE) of retrograde media is considered, e.g., liquid-vapor media with low vaporization heat and low dissipation, observed near the critical liquid-vapor point, where the main effect is variable sound speed. Based on the CWE numerical solutions it is shown that in such liquid-vapor media, one can observe previously unknown nonlinear wave structures with depression waves.

Original languageEnglish
Pages (from-to)264-269
Number of pages6
JournalJournal of Engineering Thermophysics
Volume23
Issue number4
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

Wave equations
Bubbles (in fluids)
Bubble
wave equations
Wave equation
bubbles
Vapors
Liquid
vapors
Collapsing
Liquids
liquids
Acoustic waves
Model
Main Effect
Nonlinear Wave Equation
Nonlinear Waves
heat of vaporization
Condensation
acoustics

ASJC Scopus subject areas

  • Environmental Engineering
  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

A wave equation model for retrograde media with a bubble structure. / Gasenko, V. G.; Nakoryakov, V. E.

In: Journal of Engineering Thermophysics, Vol. 23, No. 4, 2014, p. 264-269.

Research output: Contribution to journalArticle

Gasenko, V. G. ; Nakoryakov, V. E. / A wave equation model for retrograde media with a bubble structure. In: Journal of Engineering Thermophysics. 2014 ; Vol. 23, No. 4. pp. 264-269.
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