Exogenous–Endogenous Surfactant Interaction Yields Heterogeneous Spreading in Complex Branching Networks

IF 8.1 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
Richard Mcnair, Fernando Temprano-Coleto, François J. Peaudecerf, Frédéric Gibou, Paolo Luzzatto-Fegiz, Oliver E. Jensen, Julien R. Landel
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引用次数: 0

Abstract

Experiments have shown that surfactant introduced to a liquid-filled maze can find the solution path. We reveal how the maze-solving dynamics arise from interactions between the added surfactant and endogenous surfactant present at the liquid surface. We simulate the dynamics using a nonlinear model solved with a discrete mimetic scheme on a graph. Endogenous surfactant transforms local spreading into a nonlocal problem with an omniscient view of the maze geometry, key to the maze-solving dynamics. Our results offer insight into surfactant-driven transport in complex networks such as lung airways. Published by the American Physical Society 2025
外源性-内源性表面活性剂相互作用在复杂分支网络中产生非均质扩散
实验表明,在充满液体的迷宫中加入表面活性剂可以找到溶液路径。我们揭示了迷宫求解动力学是如何由添加的表面活性剂和存在于液体表面的内源性表面活性剂之间的相互作用产生的。我们使用一个非线性模型来模拟动力学,该模型是用离散模拟格式在图上求解的。内源性表面活性剂将局部扩散转化为非局部问题,并对迷宫的几何形状具有全知性,这是解迷宫动力学的关键。我们的研究结果提供了对复杂网络(如肺气道)中表面活性剂驱动的运输的见解。2025年由美国物理学会出版
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来源期刊
Physical review letters
Physical review letters 物理-物理:综合
CiteScore
16.50
自引率
7.00%
发文量
2673
审稿时长
2.2 months
期刊介绍: Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks
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