Preconditioned flux-splitting method for condensate flows and near-critical fluids

Satoru Yamamoto, Byeong Rog Shin

Research output: Contribution to conferencePaperpeer-review

Abstract

A numerical method for simulating condensate flows and near-critical fluids is presented. This method is based on the preconditioning method applied to the flux-splitting scheme. A preconditioned implicit flux-splitting scheme is newly derived according to the theory of characteristics. The fundamental equations are composed of the compressible Navier-Stokes equations and additional equations for condensation. The Peng-Robinson equation of state is further introduced to evaluate the super- and near-critical state. Condensate flows and flows of supercritical fluids near the critical point at very low Mach number are calculated and the calculated results are shown.

Original languageEnglish
Publication statusPublished - 2004
EventEuropean Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2004 - Jyvaskyla, Finland
Duration: 2004 Jul 242004 Jul 28

Conference

ConferenceEuropean Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2004
Country/TerritoryFinland
CityJyvaskyla
Period04/7/2404/7/28

Keywords

  • Condensate flows
  • Near-critical fluids
  • Preconditioning method
  • Very low speed flows

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