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Heat transfer in phase change materials (PCMs) contained in spherical encapsulations can be modelled more simply if an effective thermal conductivity can be determined to represent the natural convection occurring within the PCMs. Previous research has shown that natural convection in PCM can be...
Persistent link: https://www.econbiz.de/10010789900
There are two advantages of using porous media. First, its dissipation area is greater than the conventional fins that enhances the heat convection. Second is the irregular motion of the fluid flow around the individual beads which mixes the fluid more effectively. Nanofluids result from the...
Persistent link: https://www.econbiz.de/10011077273
-derived carbon in shallow sediments overlying the hydrate bearing strata. When integrated with stable carbon isotope ratios of DIC … overlying hydrate bearing strata like those in Alaminos Canyon is critical to quantifying methane flux and estimating methane … hydrate distributions in gas hydrate bearing marine sediments. …
Persistent link: https://www.econbiz.de/10010945710
Three groups of hydrate-bearing sediment samples with/without underlying gas were prepared using a three …-dimensional middle-size reactor to investigate the favorable conditions for methane recovery from hydrate reservoir with gaseous CO2. The … experimental results indicated that hydrate reservoir with underlying free gas, high saturation of free gas and low saturation of …
Persistent link: https://www.econbiz.de/10010809300
Effects of 0.29mol% tetra-n-butyl ammonium bromide (TBAB) solution in conjunction with cyclopentane (CP) on the hydrate … induction time of the hydrate formation at the different temperature–pressure conditions. The results show that the volume of …–pressure condition. In addition, the CO2 concentration in the decomposed gas from the hydrate slurry phase reaches approximately 93mol …
Persistent link: https://www.econbiz.de/10010810726
Classical equilibrium molecular dynamics (MD) simulations have been performed to investigate the computational performance of the Simple Point Charge (SPC) and TIP4P water models applied to simulation of methane hydrates, and also of liquid water, on a variety of specialised hardware platforms,...
Persistent link: https://www.econbiz.de/10010675990
Hydrate formation/dissociation of natural gas in (diesel oil + water) emulsion systems containing 3 wt% anti … linearly with the increase of pressure, and decreases with the increase of water cut. There exists an initial slow hydrate … formation stage for systems with lower water cut, while rapid hydrate formation takes place and the process of the gas …
Persistent link: https://www.econbiz.de/10010676056
In this review, the intriguing, anomalous behaviour of hydrate thermal conductivity will be described, and progress in …
Persistent link: https://www.econbiz.de/10010676071
The hydrate-based CO2 (carbon dioxide) separation and capture from CO2/H2 (hydrogen) gas mixtures with the different CO … of 274.15 K and under driving force of 3.0 MPa, the hydrate formation induction time increases while the CO2 recovery (or …
Persistent link: https://www.econbiz.de/10011055299
The hydrate-based carbon dioxide (CO2) capture from the integrated gasification combined cycle (IGCC) synthesis gas … plate on the bottom of the equipment. By the visual equipment, the hydrate formation and the hydrate shape are visually … captured. With the move of the gas bubble from the bottom to the top of the reactor, gas hydrate forms firstly from the gas …
Persistent link: https://www.econbiz.de/10011055513