Local pressure and density distribution in methane hydrate - Ice Ih system

O. S. Subbotin; T. Ikeshoji; V. R. Belosludov; J. Kudoh; R. V. Belosludov; Y. Kawazoe

doi:10.1088/1742-6596/29/1/040

Local pressure and density distribution in methane hydrate - Ice Ih system

O. S. Subbotin, T. Ikeshoji, V. R. Belosludov, J. Kudoh, R. V. Belosludov, Y. Kawazoe

Collaborative Research Center on Energy Materials

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Effect of self-preservation of gas hydrates was explored over many years but there is no complete understanding how can hydrates exist in their thermodynamic instability region. We are suggesting the microscopic-level model of methane hydrate clusters immersed in ice matrix. Due to differences in thermal expansion of methane hydrate and Ice Ih the additional pressure appears in the hydrate phase and this moves it into its stability field. MD simulations were performed to find local pressure and density profiles. Results are well confirming our assumption.

Original language	English
Pages (from-to)	206-209
Number of pages	4
Journal	Journal of Physics: Conference Series
Volume	29
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/29/1/040
Publication status	Published - 2006 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/29/1/040

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abstract = "Effect of self-preservation of gas hydrates was explored over many years but there is no complete understanding how can hydrates exist in their thermodynamic instability region. We are suggesting the microscopic-level model of methane hydrate clusters immersed in ice matrix. Due to differences in thermal expansion of methane hydrate and Ice Ih the additional pressure appears in the hydrate phase and this moves it into its stability field. MD simulations were performed to find local pressure and density profiles. Results are well confirming our assumption.",

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AU - Subbotin, O. S.

AU - Ikeshoji, T.

AU - Belosludov, V. R.

AU - Kudoh, J.

AU - Belosludov, R. V.

AU - Kawazoe, Y.

PY - 2006/1/1

Y1 - 2006/1/1

N2 - Effect of self-preservation of gas hydrates was explored over many years but there is no complete understanding how can hydrates exist in their thermodynamic instability region. We are suggesting the microscopic-level model of methane hydrate clusters immersed in ice matrix. Due to differences in thermal expansion of methane hydrate and Ice Ih the additional pressure appears in the hydrate phase and this moves it into its stability field. MD simulations were performed to find local pressure and density profiles. Results are well confirming our assumption.

AB - Effect of self-preservation of gas hydrates was explored over many years but there is no complete understanding how can hydrates exist in their thermodynamic instability region. We are suggesting the microscopic-level model of methane hydrate clusters immersed in ice matrix. Due to differences in thermal expansion of methane hydrate and Ice Ih the additional pressure appears in the hydrate phase and this moves it into its stability field. MD simulations were performed to find local pressure and density profiles. Results are well confirming our assumption.

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Local pressure and density distribution in methane hydrate - Ice Ih system

Abstract

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