域增长和衰老在一个相隔二元流体被限制在一个纳米孔内分离的阶段
Saikat Basu1, Suman Majumder2, Raja Paul3
1Department of Physics, Sonamukhi College, Bankura, West Bengal 722202, India. saikatjuphy0809@gmail.com.
Soft matter
|January 21, 2026
概括
水力动力学显著影响局限性流体中的相隔动力学. 模拟显示温度独立的域增长和衰老动态,结成圆柱状毛孔内的条纹图案.
科学领域:
- 物理 物理学 物理
- 物理化学 物理化学
- 材料科学 材料科学 材料科学
背景情况:
- 水力动力学极大地影响相位分离动力学.
- 在封闭系统中理解这些效应仍然是一个开放的研究问题.
研究的目的:
- 在一个被限制在圆柱形孔内的两组分流体中研究相位分离动力学.
- 在不同的温度和孔隙宽度下分析域增长和衰老动态.
主要方法:
- 使用水力动力学保护恒温器进行分子动力学模拟.
- 研究了不同温度和孔隙宽度的系统.
主要成果:
- 观察到所有的系统都结成条纹形态.
- 域大小增长 (l(t)) 遵循一个l(t) ~t^(2/3) 功率定律,表明惯性水力动力增长.
- 衰老动态表现出温度独立的功率定律缩放,其指数为 λ ≈ 2.55.
结论:
- 封闭效应导致相隔液体中独特的条纹形态.
- 观察到的生长和衰老动态偏离了大量流体的行为,这表明了独特的局限性水力动力学.
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