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A computer simulation of the mechanism of self-conservation of gas hydrates

  • Structure of Matter and Quantum Chemistry
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Abstract

Local density profiles and local component pressure profiles were obtained for two model systems containing methane hydrate and ice by molecular dynamics simulation. The ice matrix with methane hydrate clusters inserted into it was shown to be stable at normal pressure and even at a temperature higher than the temperature of methane hydrate dissociation. Calculations showed that the pressure in such a methane hydrate cluster inserted into ice was higher than in the ice phase. There were, however, no strong structure distortions because of the formation of a network of strong hydrogen bonds between the hydrate and ice phases.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, 630090, Russia

    O. S. Subbotin & V. R. Belosludov

  2. St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199164, Russia

    E. N. Brodskaya, E. M. Piotrovskaya & V. V. Sizov

Authors
  1. O. S. Subbotin
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  2. V. R. Belosludov
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  3. E. N. Brodskaya
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  4. E. M. Piotrovskaya
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  5. V. V. Sizov
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Corresponding author

Correspondence to V. V. Sizov.

Additional information

Original Russian Text © O.S. Subbotin, V.R. Belosludov, E.N. Brodskaya, E.M. Piotrovskaya, V.V. Sizov, 2008, published in Zhurnal Fizicheskoi Khimii, 2008, Vol. 82, No. 8, pp. 1467–1473.

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Subbotin, O.S., Belosludov, V.R., Brodskaya, E.N. et al. A computer simulation of the mechanism of self-conservation of gas hydrates. Russ. J. Phys. Chem. 82, 1303–1308 (2008). https://doi.org/10.1134/S0036024408080116

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  • DOI: https://doi.org/10.1134/S0036024408080116

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