Chemically cross-linked gel storage for fuel to realize evaporation suppression

Naoki Hosoya, Kazuki Nishiguchi, Hiroyasu Saito, Shingo Maeda

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


High-energy density liquid fuels are commonly used to operate combustors such as rockets, gas turbines, automotive engines, and boilers to make an energy transformation. To prevent a serious incident such as an explosion or a fire disaster, we have recognized practical issues of the liquid fuels that are safety and stability during transportation and storage, evaporation rate, and burning rate constant. In this experiment, ethanol is used as a liquid fuel and is retained on chemically cross-linked poly(N-isopropylacrylamide) (PNIPPAm) gel to use it as a polymeric gel storage for liquid fuels. In general, because the cross-linking structure of chemical gels is formed by covalent bonding, it is more stable than physical gels for a thermodynamic change such as temperature. The evaporation rate of the polymeric gel storage to suppress evaporating the ethanol is investigated. We finally demonstrate to obtain burning rate constants based on a changing mass of the polymeric gel storage during combustion. By demonstrating the polymeric gel storage combustion, we revealed existence of the d2 law in a droplet combustion.

Original languageEnglish
Article number136506
JournalChemical Engineering Journal
Publication statusPublished - 2022 Sept 15


  • Burning rate constant
  • Chemically cross-linked gel storage
  • Ethanol
  • Evaporation rate
  • d law

ASJC Scopus subject areas

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


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