纳米没有足够的滑动性:对散射和热传递的影响
Daniel Orejon1,2, Yota Maeda3, Peng Zhang4
1Institute for Multiscale Thermofluids, School of Engineering, University of Edinburgh, Scotland EH9 3BF, United Kingdom.
ACS applied materials & interfaces
|January 2, 2024
概括
滑剂注入的表面 (LIS) 将滴滴相互作用降到最低,提高了凝结过程中的移动性和热传递. 这项研究量化了一种新型的凝结-凝结-散射机制,以提高性能.
科学领域:
- 表面科学是一门学科.
- 材料科学 材料科学 材料科学
- 热传递热量转移的方法
背景情况:
- 滑剂注入表面 (LIS) 减少滴水表面相互作用,改善滴水的流动性,并使像滑滑的温泽尔状态这样的状态成为可能.
- 目前的冷凝热传递策略侧重于薄涂层和高效的冷凝脱落.
- 表面微结构可以减少凝结物与表面的直接接触,降低粘合力和增强脱落.
研究的目的:
- 研究表面微结构在减少凝结物-表面相互作用中的作用.
- 在注入滑剂的表面上分析滴滴粘附和流失性能.
- 量化冷凝-凝结-散射制度及其对液滴生长率的影响.
主要方法:
- 宏观和光学显微镜对凝结的观测.
- 分析液-滑剂和液-固体在滴滴-LIS接口上的二元相互作用.
- 在滴滴三重接触线上重新进行了力量平衡分析.
主要成果:
- 在LIS上的微结构降低了有效的凝结物表面相互作用,导致粘附率降低和脱落增强.
- 凝结 - 凝结 - 散射系统首次被量化.
- 观察到这种疗法中的滴滴生长率比其他疗法大一到两倍.
结论:
- 液压系统的表面结构对于控制滴滴流动性和增强凝结热传递至关重要.
- 这些发现对于设计有效的LIS,用于防冰,自洁和收集水等应用至关重要.
- 液体隔热系统 (LIS) 为先进的抗液体表面和高效的相变热传递提供了一个有前途的方法.
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