Results 231 to 240 of about 2,086,615 (282)

Molecular Insights into the Effects of Cushion Gas on Underground Hydrogen Storage

open access: yesLangmuir
In underground hydrogen storage (UHS), a cushion gas is commonly used to provide pressure support to assist the withdrawal of hydrogen. Molecular dynamics (MD) simulations of the H2 + cushion gas + water ternary system were conducted at 323-448 K and 20-150 MPa.
Xinyu Yao   +4 more
openaire   +3 more sources

Comparison of nitrogen and carbon dioxide as cushion gas for underground gas storage reservoir

Geosystem Engineering, 2015
Using nitrogen and carbon dioxide as cushion gases can bring economic profit due to their cheap costs. However, the different properties of these gases cause differences in behavior when operating in underground gas storage (UGS). In particular, the mass density of nitrogen gas is similar to methane, while carbon dioxide is much heavier than methane in
Joohyung Kim, Jinsuk Choi, Kanghee Park
exaly   +2 more sources

A Numerical Simulation Study on Mixing of Inert Cushion Gas with Working Gas in an Underground Gas Storage Reservoir

open access: yesEnergy Sources, 2000
The cushion gas, providing the pressure energy necessary for withdrawal of working gas, makes up the largest part of the investment in underground gas storage projects. The suggested method of reducing this cost is the replacement of some part of the cushion gas with less expensive inert gas, such as nitrogen.
Gumrah, F   +2 more
openaire   +2 more sources

Role of methane as a cushion gas for hydrogen storage in depleted gas reservoirs

International Journal of Hydrogen Energy, 2023
Dhafer Al-Shehri, Bashirul Haq
exaly   +2 more sources

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