Chapter 14. Transient Phase-Change of Droplets Impacting on a Hot Wall

  1. Deutsche Forschungsgemeinschaft (DFG)
  1. Norbert M. Wruck and
  2. Ulrich Renz

Published Online: 31 MAY 2007

DOI: 10.1002/9783527610785.ch14

Transient Phenomena in Multiphase and Multicomponent Systems: Research Report

Transient Phenomena in Multiphase and Multicomponent Systems: Research Report

How to Cite

Wruck, N. M. and Renz, U. (2000) Transient Phase-Change of Droplets Impacting on a Hot Wall, 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.ch14

Author Information

  1. RWTH Aachen, Lehrstuhl für Wärmeäbertragung und Klimatechnik, Eilfschornsteinstr. 18, D-52056 Aachen, 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;
  • measurement techniques;
  • transient phase-change;
  • droplets impacting on hot wall;
  • Leidenfrost temperature

Summary

This chapter contains sections titled:

  • Abstract

  • Introduction

  • Experimental Set-Up

  • Results and Discussion

    • Boiling regimes of impacting droplets

    • Dependencies of Leidenfrost temperature

    • Phase transition during collision

    • Wall temperature far above Leidenfrost temperature (Tw=300°C)

    • Wall temperature slightly above Leidenfrost temperature (Tw=250°C)

    • Wall temperature near to Leidenfrost temperature (Tw=200°C)

    • Detection of boiling delay and fluid superheat

    • Contact Temperature Model

  • Summary and Conclusions

  • Acknowledgements

  • List of Symbols

  • References