A rare gas mixture: from rigid to gas-like fluid by a mutual concentration changeстатья
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Дата последнего поиска статьи во внешних источниках: 9 июля 2025 г.
Аннотация:For a number of mixtures of rare gases at high pressures, sound speed minima are experimentallyobserved depending on the concentration. This behavior has not yet been explained.Wehave studiedthe behavior of a mixture of argon and helium using computer simulation. Sound speed minima havebeen observed at a certain molar fraction of the components, which is in good agreement withexperimental data. It is shown that this behavior is due to the fact that the P and T parameters for gasmixtures are near the Frenkel line, separating the states of rigid and quasi-gas fluid.