Articles with "helium hydrogen" as a keyword



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Comparison of helium and hydrogen releases in 1 m3 and 2 m3 two vents enclosures: Concentration measurements at different flow rates and for two diameters of injection nozzle

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2016.05.217

Abstract: Abstract This work presents a parametric study on the similitude between hydrogen and helium distribution when released in the air by a source located inside of a naturally ventilated enclosure with two vents. Several configurations… read more here.

Keywords: hydrogen; helium hydrogen; flow rates; concentration ... See more keywords
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Localization effects on the vibron shifts in helium-hydrogen mixtures

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Published in 2020 at "Physical Review B"

DOI: 10.1103/physrevb.101.214306

Abstract: The vibrational frequency of hydrogen molecules has been observed to increase strongly with He concentration in helium hydrogen fluid mixtures. This has been associated with He-H interactions, either directly through chemical bonding, or indirectly through… read more here.

Keywords: localization effects; helium; hydrogen; chemical bonding ... See more keywords
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Reactivity of Hydrogen-Helium and Hydrogen-Nitrogen Mixtures at High Pressures.

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Published in 2018 at "Physical review letters"

DOI: 10.1103/physrevlett.121.195702

Abstract: Through a series of Raman spectroscopy studies, we investigate the behavior of hydrogen-helium and hydrogen-nitrogen mixtures at high pressure across a wide range of concentrations. We find that there is no evidence of chemical association… read more here.

Keywords: nitrogen mixtures; hydrogen; hydrogen helium; helium hydrogen ... See more keywords
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SWELLING OF FERRITIC STRUCTURAL MATERIALS AT HIGH LEVELS OF DAMAGE DOSES AND GAS CONCENTRATIONS

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Published in 2020 at "Problems of Atomic Science and Technology"

DOI: 10.46813/2020-128-003

Abstract: Investigation results of the swelling behavior of three ferritic steels under conditions of simultaneous irradiation with 1.8 MeV Cr3+ ions and gases (helium or hydrogen) at peak swelling temperatures and doses to 50 and 200… read more here.

Keywords: swelling ferritic; materials high; ferritic structural; hydrogen ... See more keywords