单层水结构与动力学之间的关系:太赫兹电场中的两阶段相变

IF 6.4 2区 工程技术 Q1 MECHANICS
Zi Wang , Yunzhen Zhao , Jiaye Su
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引用次数: 0

摘要

纳米尺度承压水的结构特征和动力学性能之间的相关性支撑着各种新兴技术,从蓝色能量收集到基于膜的分离技术。在本研究中,采用了广泛的分子动力学研究来阐明单层水在太赫兹电场影响下的结构构型与动力学响应之间的精确关系。在弱电场下,单层水在一定的场频率范围内保持稳定的冰状结构,表现出完全没有水流;然而,在强场强下,随着场频的变化,单层水经历了一个显著的两阶段相变,依次从冰到蒸汽,然后从蒸汽到液体。因此,水流表现出明显的峰值行为,复杂地依赖于频率。这些见解为新型纳米流体器件的设计开辟了广阔的前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Correlation between monolayer water structures and dynamics: A two-stage phase transition in terahertz electric fields
Correlation between the structural characteristics and kinetic performance of nanoscale confined water underpins a variety of emerging technologies, ranging from blue energy harvesting to membrane-based separation technologies. In this research, a comprehensive range of molecular dynamics investigations are used to elucidate a precise correlation between the structural configurations and kinetic responses of single-layer water under the influence of terahertz electric field. Under a weak electric field, the monolayer water sustains a stable, ice-like structure across a range of field frequencies, exhibiting a total absence of water flow; however, at strong field strengths, the monolayer water undergoes a remarkable two-stage phase transition in response to variations in field frequency, transitioning sequentially from ice to vapor, and then from vapor to liquid. Consequently, the water flow displays a pronounced peak behavior, intricately dependent on the frequency. These insights open up extensive prospects for the design of novel nanofluidic devices.
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来源期刊
CiteScore
11.00
自引率
10.00%
发文量
648
审稿时长
32 days
期刊介绍: International Communications in Heat and Mass Transfer serves as a world forum for the rapid dissemination of new ideas, new measurement techniques, preliminary findings of ongoing investigations, discussions, and criticisms in the field of heat and mass transfer. Two types of manuscript will be considered for publication: communications (short reports of new work or discussions of work which has already been published) and summaries (abstracts of reports, theses or manuscripts which are too long for publication in full). Together with its companion publication, International Journal of Heat and Mass Transfer, with which it shares the same Board of Editors, this journal is read by research workers and engineers throughout the world.
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