Effect of Diameter of Granules on Dissociation of Methane Hydrate

S. Ya Misyura

Результат исследований: Материалы для журналаСтатья

Аннотация

The kinetics of dissociation of methane hydrate in air at an external pressure of 1 bar was experimentally studied. It is shown that to describe the mechanism of dissociation of gas clathrate, it is necessary to take into account not only the degree of deviation of temperature and pressure from equilibrium values, but also the diameter of granules. As the diameter decreases, the rate of decomposition of methane hydrate increases significantly. Change in the grain size affects formation of pores and dissociation. The experiment demonstrated a self-preservation mechanism for granule diameters of more than 1 mm. In the case of powder with an average diameter of less than 0.3 mm, there was no self-preservation. The rate of dissociation depends on the combined effect of diffusion, crystallization, and creep.

Язык оригиналаАнглийский
Страницы (с-по)191-195
Число страниц5
ЖурналJournal of Engineering Thermophysics
Том27
Номер выпуска2
DOI
СостояниеОпубликовано - 1 апр 2018

ASJC Scopus subject areas

  • Environmental Engineering
  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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