Thermal expansion of ice based gas hydrates

V. R. Belosludov, R. K. Zhdanov, K. V. Gets, Y. Y. Bozhko, O. S. Subbotin

Результат исследования: Научные публикации в периодических изданияхстатья по материалам конференциирецензирование

Аннотация

This work aims at studying thermal expansion of ice Ih based gas hydrates that play important role in self-preservation effect of classical gas hydrates. Linear thermal expansion of ice Ih based hydrogen hydrates are calculated using a very effective statistical thermodynamic model of gas hydrates developed by the authors of this work. Molecular structures of all studied systems are obtained by MD simulations, and all parameters required by the model are obtained by using Quasiharmonic Lattice Dynamic approach. In accordance with our calculations, introduction of hydrogen into the system not only significantly affects the unit cell parameter of ice, but also increases linear thermal expansion and makes it comparable to the classical gas hydrates such as CH4, CO2, etc.

Язык оригиналаанглийский
Номер статьи012045
ЖурналJournal of Physics: Conference Series
Том1675
Номер выпуска1
DOI
СостояниеОпубликовано - 15 дек 2020
Событие5th All-Russian Scientific Conference Thermophysics and Physical Hydrodynamics with the School for Young Scientists, TPH 2020 - Yalta, Crimea, Украина
Продолжительность: 13 сен 202020 сен 2020

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