Numerical analysis of 1/28 scaled NGNP HTGR reactor building test facility response to depressurization event using GOTHIC
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Nuclear Energy"
DOI: 10.1016/j.anucene.2018.04.030
Abstract: Abstract A depressurized loss of forced cooling (DLOFC) accident is an important type of accident scenario in high temperature gas reactor (HTGR) design, which is initiated by a break in the helium pressure boundary (HPB).… read more here.
Keywords: test facility; reactor building; depressurization;
Influence of CH4 hydrate exploitation using depressurization and replacement methods on mechanical strength of hydrate-bearing sediment
Sign Up to like & getrecommendations! Published in 2020 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.115569
Abstract: Abstract This study analyzed the potential effects of gas hydrate (GH) exploitation on the geomechanical properties of hydrate-bearing sediment (HBS) by examining the combined effects of depressurization and CO2 injection using triaxial compression tests. The… read more here.
Keywords: replacement; strength; depressurization; ch4 ... See more keywords
Distribution and reformation characteristics of gas hydrate during hydrate dissociation by thermal stimulation and depressurization methods
Sign Up to like & getrecommendations! Published in 2020 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.115575
Abstract: Abstract Pore-scale distribution and reformation characteristics of gas hydrate in porous sediments can provide invaluable information on macroscale production behaviors. In this work, the X-ray computed tomography (X-ray -CT) has been conducted to detect distribution… read more here.
Keywords: depressurization; dissociation; gas; hydrate ... See more keywords
Transient Heat Transfer Characteristics of Supercritical Fluid during Rapid Depressurization Process
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.08.098
Abstract: Abstract A combination of experimental studies and numerical simulations is employed to probe into the transient heat transfer phenomenon during rapid depressurization of supercritical fluid in a cylindrical vessel connected to atmosphere via a sudden… read more here.
Keywords: supercritical fluid; depressurization; heat transfer;
Study on the spatial differences of methane hydrate dissociation process by depressurization using an L-shape simulator
Sign Up to like & getrecommendations! Published in 2021 at "Energy"
DOI: 10.1016/j.energy.2021.120635
Abstract: Abstract The spatial difference of hydrate dissociation by depressurization was investigated in an L-shape hydrate simulator to enhance the exploitation efficiency of natural gas hydrates. Hydrates were found to dissociate slower near the mining well… read more here.
Keywords: depressurization; mining well; dissociation; spatial differences ... See more keywords
Experimental investigation of natural gas hydrate production characteristics via novel combination modes of depressurization with water flow erosion
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2019.04.120
Abstract: Abstract Depressurization is considered the most efficient method for natural gas hydrates (NGHs) exploitation. However, ice formation, hydrate reformation, and insufficient decomposition driving forces in the later stages of depressurization are the main issues to… read more here.
Keywords: depressurization; flow erosion; water; water flow ... See more keywords
One-dimensional study on gas production characteristics of methane hydrate in clayey sediments using depressurization method
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116561
Abstract: Abstract As a new kind of clean and high-energy resource, natural gas hydrate possesses promising prospects in exploitation and utilization. The characteristic of gas production in clay-rich sediments need to be further clarified for developing… read more here.
Keywords: depressurization; clayey sediments; gas production; one dimensional ... See more keywords
Molecular insight into the oil extraction and transport in CO2 flooding with reservoir depressurization
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.119051
Abstract: Abstract In this study, the mechanism of CO2 extracting hydrocarbon with reservoir depressurization was investigated through molecular dynamic simulations. First, the effects of different depressurization rates (ΔP/0.1, 0.5, 1.0 and 2.0 ns) on the extraction results… read more here.
Keywords: extraction; depressurization; molecular insight; reservoir depressurization ... See more keywords
Experimental study on the burning behavior and combustion toxicity of corrugated cartons under varying sub-atmospheric pressure.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2019.120785
Abstract: An approved fire-protection method for in-flight freighter aircraft is aircraft depressurization. The objective of this study was to evaluate the influence of depressurization on the burning characteristics of typical combustibles based on large-scale corrugated cartons… read more here.
Keywords: depressurization; corrugated cartons; sub atmospheric; burning behavior ... See more keywords
Effects of vertical center well and side well on hydrate exploitation by depressurization and combination method with wellbore heating
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.04.030
Abstract: Abstract The effects of depressurization and the combination method with wellbore heating on vertical center well and vertical side well on hydrate exploitation were investigated and compared in this study. Six combinations of experimental groups… read more here.
Keywords: exploitation; combination method; depressurization; center well ... See more keywords
Experimental investigation of the behavior of methane gas hydrates during depressurization-assisted CO2 replacement
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2018.11.015
Abstract: Abstract CO2 replacement with depressurization assistance is a crossover concept that has been proposed in recent years for natural gas hydrate development. It combines the merits of two traditional methods to improve production and reduce… read more here.
Keywords: gas; depressurization; co2 replacement; methane ... See more keywords