Anti-icing fluid performance on substrates with different thermal conductivity and roughness

Viktor G. Grishaev, Igor A. Usachev, Alidad Amirfazli, Vladimir P. Drachev, Artem V. Sulimov, Ivan S. Borodulin, Nadezhda I. Rudenko, Ramil K. Gattarov, Mikhail V. Makarov, Iskander S. Akhatov

Research output: Contribution to journalArticlepeer-review


The performance of aircraft anti-icing fluids reduces unusually on aviation composites. It is unclear whether this is due to low substrate thermal conductivity or hydrophobicity. Therefore, we considered experimentally the performance of Newtonian and non-Newtonian aircraft anti-icing fluids on substrates with thermal conductivities from 0.17 to 252 W/m∙K. It was found that the decrease of substrate thermal conductivity promotes the freezing of Newtonian and low viscous Non-Newtonian fluids compared to the thicker Non-Newtonian one. The thermal conductivity effect can be explained by the competition of two heat transfer processes: heat accumulation and the transfer of latent heat. Thus, Newtonian and low viscous Non-Newtonian aircraft anti-icing fluids must be defined on aviation composites together with substrate thermal conductivity, wettability, and roughness.

Original languageEnglish
Article number103630
JournalCold Regions Science and Technology
Publication statusPublished - Oct 2022


  • Aircraft anti-icing fluids
  • Endurance time
  • Roughness
  • Thermal conductivity


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