Quench Pool Boiling with Temporary Crystalline Enhancers

Izhak Ladizhensky, Eli Korin, Gedalia Mazor, Dmitry Nemirovsky, Evgeny Goldkin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


In some industrial activities, the use of permanent heat transfer enhancements such as metal coating, pins, and grooves in cryogenic treatment is quite problematic. Such permanent heat transfer enhancers were replaced with temporary enhancers made of different crystalline materials, here focusing on NaCl, MgSO4·7H2O, CaCl2·2H2O, and C6H5Na3O7·2H2O, which were used during quenching of the sample in the cryogenic liquid, i.e., nitrogen. The time required for sample cooling until the liquid nitrogen saturation temperature is reached decreases significantly when a crystalline coating is applied. The dependence of the cooling time on temporary coating creation parameters such as solution concentration, initial temperature of the sample, and solution spreading time is discussed.

Original languageEnglish
Pages (from-to)349-356
Number of pages8
JournalChemical Engineering and Technology
Issue number2
StatePublished - 1 Feb 2014


  • Coating
  • Crystalline enhancer
  • Heat transfer
  • Pool boiling
  • Quench
  • Salt layer

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering


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