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Water cooling in direct chill casting: Part 1, boiling theory and control

  • J. F. Grandfield
  • , A. Hoadley
  • , S. Instone

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

Abstract

The intensity of the water cooling in direct chill casting affects the process heat flow and therefore performance of the casting process. The intensity depends on the boiling behaviour on the ingot surface. The basic mechanisms of boiling, the different boiling modes (nucleate, unstable film and stable film boiling) and application to DC casting are discussed. The published effects of water compositional and physical factors (flow rate, temperature etc) on cooling intensity and the methods used to measure these effects are reviewed. A newly developed technique for quantifying heat transfer coefficients and heat fluxes for DC water sprays and new results on the effect of composition, temperature and flow rate are reported. Practical implications for controlling the effect of water cooling on DC casting are suggested.

Original languageEnglish
Title of host publicationLight Metals
Pages691-699
Number of pages9
Publication statusPublished - 1 Dec 1997
Externally publishedYes
EventTechnical Session on Light Metals held at the TMS Annual Meeting 1997 - Orlando, United States of America
Duration: 9 Feb 199713 Feb 1997

Publication series

NameLight Metals: Proceedings of Sessions, TMS Annual Meeting (Warrendale, Pennsylvania)
ISSN (Print)1096-9586

Conference

ConferenceTechnical Session on Light Metals held at the TMS Annual Meeting 1997
Abbreviated titleLight Metals 1997
Country/TerritoryUnited States of America
CityOrlando
Period9/02/9713/02/97

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