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相关概念视频

Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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相关实验视频

Updated: Jan 7, 2026

Fabric Moisture Uniform Control to Study the Influence of Air Impingement Parameters on Fabric Drying Characteristics
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Fabric Moisture Uniform Control to Study the Influence of Air Impingement Parameters on Fabric Drying Characteristics

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宏观纹理织物减少水滴冲击,减少接触时间.

Nicole Furtak1, Shuo Lin Wu1, Samuel Au1

  • 1Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada.

Langmuir : the ACS journal of surfaces and colloids
|December 25, 2025
PubMed
概括

具有宏观纹理的超疏水性织物减少水滴撞击时间. 调整织物结构,就像收集一样,显著减少了湿,提高了雨衣等应用的性能.

科学领域:

  • 材料科学 材料科学 材料科学
  • 织工程 织工程 织工程
  • 表面化学 表面化学

背景情况:

  • 尽量减少织物湿对于织物应用,如雨衣和防护装备至关重要.
  • 减少滴水冲击接触时间是最小化湿的关键策略.
  • 超疏水表面的宏观纹理减少了滴滴撞击时间,但其对织品的应用尚未探索.

研究的目的:

  • 调查固有的宏观纹理超性织物的使用,以减少水滴撞击接触时间.
  • 通过机械操纵 (拉伸和聚集) 来优化织物宏观纹理.
  • 为了探索滴滴对有纹理的超水性织物的影响行为.

主要方法:

  • 织物经过商业超性涂层或定制配方 (烟纳米颗粒和聚二甲基 (PDMS) 刷) 处理.
  • 织物地形通过拉伸和聚集来调整,以创建宏观纹理.
  • 在各种织物纹理上进行了滴滴撞击实验.
  • 模仿织物地形的刚性3D打印表面被用于比较分析.

主要成果:

  • 观察到不同的滴滴分裂冲击行为,取决于冲击地点和织物宏观纹理几何.
  • 在编织的Seersucker织物上采集2:1的比率实现了与理论最小值相比,在山脊位置降低了52%的水滴撞击接触时间.

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Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions
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Impacts of Free-falling Spheres on a Deep Liquid Pool with Altered Fluid and Impactor Surface Conditions

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相关实验视频

Last Updated: Jan 7, 2026

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06:28

Fabric Moisture Uniform Control to Study the Influence of Air Impingement Parameters on Fabric Drying Characteristics

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  • 超疏水性织物显著减少了滴水接触时间.

    • 结论:

    • 本质上具有宏观纹理的超水性织物有效地减少了水滴撞击时间.
    • 机械操纵织物拓图形是优化超性能的可行方法.
    • 3D打印的类似物有助于改进面料设计,以提高防水性.