Prediction of the phase equilibria of methane hydrates using the direct phase coexistence methodology

VK Michalis, J Costandy, IN Tsimpanogiannis… - The Journal of …, 2015 - pubs.aip.org
The direct phase coexistence method is used for the determination of the three-phase
coexistence line of sI methane hydrates. Molecular dynamics (MD) simulations are carried …

Clathrate hydrates: recent advances on CH4 and CO2 hydrates, and possible new frontiers

A Striolo - Molecular Physics, 2019 - Taylor & Francis
Gas hydrates continue to attract enormous attention throughout the energy industry, as both
a hindrance in conventional production and a substantial unconventional resource …

Dissociation temperature of gas hydrates through isenthalpic–isobaric molecular dynamics simulations

AB Weidmann, LFM Franco, AK Sum… - The Journal of …, 2024 - pubs.aip.org
Molecular simulations are a powerful tool to understand phenomena and obtain properties
of gas hydrate systems. The direct coexistence method (DCM) in the NVT or NPT …

High-pressure melting curve of platinum from ab initio Z method

AB Belonoshko, A Rosengren - Physical Review B—Condensed Matter and …, 2012 - APS
Pt is widely used as a standard in high-pressure high-temperature experiments. The
available experimental and theoretical data on Pt thermal stability is not consistent. We …

Influence of electronic entropy on Hellmann-Feynman forces in ab initio molecular dynamics with large temperature changes

M Geng, CE Mohn - Physical Review B, 2023 - APS
The Z method is a popular atomistic simulation method for determining the melting
temperature where a sequence of microcanonical molecular dynamics runs are carried out …

Melting curve of SiO2 at multimegabar pressures: implications for gas giants and super-Earths

F González-Cataldo, S Davis, G Gutiérrez - Scientific Reports, 2016 - nature.com
Ultrahigh-pressure phase boundary between solid and liquid SiO2 is still quite unclear. Here
we present predictions of silica melting curve for the multimegabar pressure regime, as …

A comparison of different water models for melting point calculation of methane hydrate using molecular dynamics simulations

N Choudhary, S Chakrabarty, S Roy, R Kumar - Chemical Physics, 2019 - Elsevier
Molecular dynamics simulation is a powerful tool to understand the gas hydrate nucleation,
growth, and dissociation at molecular level. Prerequisite of super-cooling during gas hydrate …

The nucleation of gas hydrates near silica surfaces

S Liang, PG Kusalik - Canadian Journal of Chemistry, 2015 - cdnsciencepub.com
Understanding the nucleation and crystal growth of gas hydrates near mineral surfaces and
in confinement are critical to the methane recovery from gas hydrate reservoirs. In this work …

A molecular dynamics method to identify the liquidus and solidus in a binary phase diagram

COT Galvin, RW Grimes, PA Burr - Computational Materials Science, 2021 - Elsevier
A method is presented adopting the phase coexistence technique within molecular
dynamics simulations to identify the liquidus and solidus of binary systems. The …

Evaluation of a Simplified Model for Three-Phase Equilibrium Calculations of Mixed Gas Hydrates

P Kastanidis, GE Romanos, AK Stubos, G Pappa… - Energies, 2024 - mdpi.com
In this study, we perform an extensive evaluation of a simple model for hydrate equilibrium
calculations of binary, ternary, and limited quaternary gas hydrate systems that are of …