Global transformation of fluid structure and corresponding phase behavior

Batalin, O.Yu.; Vafina, N.G.

doi:10.1016/j.supflu.2023.106081

Cited by 2 publications

(2 citation statements)

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“…When the kinetic energy dominates over the potential energy, the LL phase molecules transform into the GL phase, forming an initial nucleus, which gradually grows and develops into a bubble-like. Recently, Batalin and Vafina explained the supercritical pseudoboiling process through a two-phase hierarchical model. The supercritical mesophase (TPL phase) consists of microdroplets and microbubbles.…”

Section: Resultsmentioning

confidence: 99%

“…Instead of the LL state and the GL state, the coexistence of LL fluid and GL fluid has been paid attention to in recent years. − Ha et al reported on the classification of LL and GL molecules coexisting in the SF, identified by machine learning analysis. The deltoid coexistence region encloses the Widom line and may therefore be termed the Widom delta, suggesting a microscopic view of the SF as a mixture of LL and LL structures .…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Critical Threshold for Bubble-like Nucleation during Pseudoboiling at Supercritical Pressures

Dong,

Xu,

Wang

2024

Langmuir

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Critical Threshold for Bubble-like Nucleation during Pseudoboiling at Supercritical Pressures

Dong,

Xu,

Wang

2024

Langmuir

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Phase behavior of ionic fluid in charged confinement: An associating polymer density functional theory study

Cheng,

Xu,

Wang

et al. 2024

AIChE Journal

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With the rapid advancement of the new energy industry, porous electrode materials and complex electrolytes have gained widespread usage. Electrolytes exhibit distinctive phase behavior when subjected to the combined influence of confined space and electric fields. However, the measurement and prediction of such phase behavior encounter significant challenges. Consequently, numerous theoretical tools have been employed to establish models for phase equilibrium calculations. Nevertheless, current research in this field has notable limitations and fails to address the confinement of space or complex polymer electrolytes. Considering these shortcomings, an associating polymer density functional theory (PDFT) was developed by modifying excess free energy. This study examines the phase behavior of electrolytes with various chain lengths within diverse confined slits, revealing that the confinement effect and fluid tail chains can narrow the phase diagram. Additionally, a linear correlation between the electric field strength and the phase equilibrium offset has been identified, and a quantitative relationship is derived. The results of this investigation contribute to a deeper comprehension of complex fluid phase behavior and guide the design of electrochemical devices.

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Global transformation of fluid structure and corresponding phase behavior

Cited by 2 publications

References 72 publications

Critical Threshold for Bubble-like Nucleation during Pseudoboiling at Supercritical Pressures

Critical Threshold for Bubble-like Nucleation during Pseudoboiling at Supercritical Pressures

Phase behavior of ionic fluid in charged confinement: An associating polymer density functional theory study

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