Chapter 20. Numerical Simulation of Thermal and Mechanical Non-Equilibrium Effects in Critical and Near-Critical Flows of Hot-Water at Subcooled and Saturated Conditions

  1. Deutsche Forschungsgemeinschaft (DFG)
  1. Achim Dittmann,
  2. Jörg Huhn and
  3. Michael Wein

Published Online: 31 MAY 2007

DOI: 10.1002/9783527610785.ch20

Transient Phenomena in Multiphase and Multicomponent Systems: Research Report

Transient Phenomena in Multiphase and Multicomponent Systems: Research Report

How to Cite

Dittmann, A., Huhn, J. and Wein, M. (2000) Numerical Simulation of Thermal and Mechanical Non-Equilibrium Effects in Critical and Near-Critical Flows of Hot-Water at Subcooled and Saturated Conditions, in Transient Phenomena in Multiphase and Multicomponent Systems: Research Report (ed Deutsche Forschungsgemeinschaft (DFG)), Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, Germany. doi: 10.1002/9783527610785.ch20

Author Information

  1. Technische Universität Dresden, Institut für Technische Thermodynamik, Mommsenstr. 13, D-01062 Dresden, Germany

Publication History

  1. Published Online: 31 MAY 2007
  2. Published Print: 13 JUN 2000

ISBN Information

Print ISBN: 9783527271498

Online ISBN: 9783527610785

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Keywords:

  • transient phenomena;
  • multiphase systems;
  • multicomponent systems;
  • numerical methods;
  • numerical simulation;
  • thermal and mechanical non-equilibrium effects;
  • critical flows;
  • near-critical flows;
  • hot-water at subcooled conditions;
  • hot-water at saturated conditions;
  • hydrodynamic two-phase flow model;
  • numerical method

Summary

This chapter contains sections titled:

  • Abstract

  • Introduction

  • Hydrodynamic Two-Phase Flow Model

    • Field equations of the two-fluid model

    • Thermal and caloric equations of state, thermophysical properties

    • Constitutive models

      • Flow regime map

      • Wall friction

      • Interphase momentum transfer

      • Nucleation model

      • Interfacial area

      • Interphase heat transfer

      • Interphase mass transfer

  • Numerical Method

  • Results

  • Conclusion

  • List of Symbols

  • References