Comparison of two-fluid models on steam-water transients

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Abstract

This paper is devoted to the comparison of three two-fluid models in steam-water applications involving phase transition and shock waves. The three models are presented in a common formalism that helps to underline their shared properties. A numerical method based on previous work is extended to all models and to more complex Equations Of State. Particular attention is paid to the verification of every step of the method so that convergence studies can be carried out. Afterwards, models are compared with each other and with experimental data in two different cases of steam-water transients. The first one is Simpson water-hammer experiment and the second one is a rapid depressurization with flashing studied in Canon experiment.

Original languageEnglish
Pages (from-to)1631-1657
Number of pages27
JournalMathematical Modelling and Numerical Analysis
Volume50
Issue number6
DOIs
Publication statusPublished - 1 Nov 2016

Keywords

  • Closure laws
  • Entropy inequality
  • Finite volume schemes
  • Relaxation effects
  • Two-Phase compressible flows

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