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Visualization of TBAB Hydrate in Confined Small Channels
TBAB (tetrabutylammonium bromide) can generate semi-cage hydrate at atmospheric pressure, which has high energy storage density and can be applied to...
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Numerical Study on the Effect of Hydrate Saturation on the Geo-Mechanical Behavior of Gas Hydrate Sediments
Gas hydrate sediments are considered as one of the potential sources of unconventional energy because of their high energy density and presence of...
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Stress relaxation properties of calcium silicate hydrate: a molecular dynamics study
The time-dependent viscoelastic response of cement-based materials to applied deformation is far from fully understood at the atomic level. Calcium...
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Strength and wear behaviors of methane hydrate-bearing silty sand: insights from multi-reversal direct shear tests
Fractures and large shear deformation, aroused in gas hydrate reservoirs during gas production, may cause borehole collapse and submarine landslides....
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Experimental Study of Fracture Toughness in Simulated Cores of Natural Gas Hydrate Sediments
Natural gas hydrate reservoirs have low permeability, limited temperature and pressure conductivity, and low development efficiency. Hydrate...
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Optimization and Evaluation Experiment of Efficient Hydrate Anti-agglomerates Suitable for Gas-Water System
In the process of develo** natural gas hydrates in the sea, the high-pressure and low-temperature environment near the mudline is prone to causing...
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Numerical simulation of hydraulic fracture characteristics in gas hydrate bearing-sediments by using CDEM
Currently, gas hydrate exploitation suffers from problems such as low efficiency of production due to the low permeability of the reservoir and...
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Experimental study of microbially induced carbonate precipitation treatment on seafloor sediment of hydrate formation
In recent years, microbial mineralization has aroused attention in soil reinforcement. However, most studies focus on soil and coast on land, and the...
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Three-dimensional DEM investigation of mechanical behaviors of grain-cementing type methane hydrate-bearing sediment
This study employs the discrete element method (DEM) and the coupled computational fluid dynamics-discrete element method (CFD-DEM) to explore the...
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Mechanical characteristics of overconsolidated hydrate-bearing clayey–silty sediments with various confining pressures
The mechanical characteristics of hydrate-bearing sediments (HBS) are not only dominated by the cementing and filling effects of hydrate, which makes...
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A Coupling Distinct Element Modeling Method for Gas Production on Methane Hydrate Bearing Sediments
Methane Hydrate (MH) is generally distributed in deep sea and permafrost region and abundant in reserve. It has been a great attraction as a new...
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Visual Experimental Study on Hydrate Dissociation in Porous Media
As a new type of unconventional energy, the research of natural gas hydrate is of great importance. The dissociation of hydrate in porous media has a...
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Molecular Insight into the Effects of NaCl Concentrations on CO2 Hydrate Formation on the Montmorillonite Surface
Carbon dioxide (CO2), as a typical greenhouse gas, has gradually attracted attention for its capture and storage. Storing CO2 in the form of hydrates...
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Microstructure and Mechanical Properties of Methane Hydrate-Bearing Sand
Methane hydrates (MHs), solid ice-like compounds of methane gas and water, form naturally at high pressure and low temperature in marine or...
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Synthesis of Magnetic Calcium Silicate Hydrate (M-C-S-H) and Its Adsorption Behaviors of Heavy Metal Ions in Wastewater
A novel inorganic nanocomposite with excellent robustness, magnetic calcium silicate hydrate (M-C-S-H), is synthesized at extremely low cost yet...
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SPF-MHBS: a stress partition constitutive framework for methane hydrate-bearing sediments
A constitutive framework based on the concept of stress partition, referred to as SPF-MHBS (stress partition framework for methane hydrate-bearing...
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Combustion of a Powder Layer of Methane Hydrate: The Influence of Layer Height and Air Velocity Above the Layer
The paper studies the dissociation and combustion of a layer of methane hydrate powder at a forced air flow over the upper surface of the layer (the...
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A Visual Investigation of the Phase Transition of Cyclopentane Hydrates in Porous Media Under the Electrostatic Field
Hydrates, which serve as a novel form of clean energy and a key component in carbon capture and storage (CCS), require a thorough understanding of...