Adaptive Droplets Transport Through Coupled Flow Paths

通过耦合流路的自适应液滴传输

基本信息

  • 批准号:
    422791884
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    德国
  • 项目类别:
    Priority Programmes
  • 财政年份:
    2019
  • 资助国家:
    德国
  • 起止时间:
    2018-12-31 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Flexible and adaptive materials systems with their ability to create dynamic deformations on the microscale are relevant to a wide variety of exciting new applications such as in tissue engineering, adaptable optics, flexible electronics and soft robotics. The aim of this project is to study and analyze the transport of fluids and droplets in channels interfaced by flexible membranes in microfluidic environment. The proposed microfluidic setup for multiphase flow experiments, consisting of two transport channels separated by a thin flexible membrane, allows for a defined laminar flow-control within transport channels, an exact positioning of droplets and the opportunity to analyze droplet motion and transport within the channels and cross-correlation between the channels. Owing to the moving droplets and applied flow acting on both sides of the membrane, the thin elastic membrane will specifically respond and locally deform on the acting moving contact line, flow-induced pressure differences and shear-induced effects, having a strong impact on the transport properties in both channels. Moreover, using electro-hydrodynamics (EHD), which are going to be applied to interact with, stabilize and modify flow-induced instabilities of the membranes and the feedback in both transport channels, the coupling and cross-communication of the flowing materials and information transport will be amplified and specifically shaped. This membrane-initiated cross-communication will be used to move, adapt, govern, shift and stop droplet motion and specific flows within fluid transport routes and moreover to introduce flow patterns with adaption and self-regulation capabilities as well as on the long term logical links and operations within fluid transport networks.
柔性和自适应材料系统具有在微尺度上产生动态变形的能力,与各种令人兴奋的新应用有关,例如在组织工程、自适应光学、柔性电子学和软机器人方面。本项目的目的是研究和分析微流控环境中柔性膜连接的流道中的流体和液滴的传输。提出的用于多相流实验的微流控装置由两个由一层柔性薄膜隔开的传输通道组成,允许在传输通道内进行明确的层流控制,精确定位液滴,并有机会分析液滴在通道内的运动和传输以及通道之间的相互关系。由于运动的液滴和外加的流体作用于膜的两侧,弹性薄膜在运动接触线、流致压差和剪切诱导效应上会发生特殊的响应和局部变形,对两种通道中的传输特性都有很大的影响。此外,电流体动力学(EHD)将被用来与膜的流动不稳定性和两个传输通道中的反馈相互作用、稳定和修正,流动的物质和信息传输的耦合和交叉通信将被放大和具体形成。这种膜启动的交叉通信将用于移动、适应、管理、移动和停止流体传输路线内的液滴运动和特定流动,此外还将引入具有适应和自我调节能力的流型,以及流体传输网络中的长期逻辑链路和操作。

项目成果

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Dr. Thomas Pfohl其他文献

Dr. Thomas Pfohl的其他文献

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{{ truncateString('Dr. Thomas Pfohl', 18)}}的其他基金

Biomacromolecules and interactions with linker molecules in hydrodynamically focused flow
流体动力学聚焦流中的生物大分子及其与连接分子的相互作用
  • 批准号:
    5425292
  • 财政年份:
    2004
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Selbstorganisation von Biomakromolekülen auf mikro- und nanostrukturierten Oberflächen
生物大分子在微米和纳米结构表面上的自组装
  • 批准号:
    5296756
  • 财政年份:
    2001
  • 资助金额:
    --
  • 项目类别:
    Independent Junior Research Groups

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