壁面浸润性优化用于压电泵气泡控制的机理、方法与效果研究

Liquid piezo pump has bright application future in biological medicine, fine chemicals, civil consumption and so on, because of the advantages, as small cubage, high performance/price ratio, easy to control the fluid, etc. However, the bubbles in the pump during working have an obvious drop in performances, which makes large restriction in the application. A new method is brought up in this project, new structured piezo pump based on the surface modification technology of super-hydrophobic and super-hydrophilic material. In the project, research will be done on the gas-liquid-solid coupling dynamics, bubbles formation mechanism, the bubbles restraint and exclusion mechanism from surface modification material, system structure design and parameter optimization, experiments and measurements are done on the piezo pump production and effect based on the surface modification technology, and the feasibility of the technology will be validated. The relevant work will provide design methods and theoretical basis on structuring piezo pump which can restrain bubbles formation and fast exclude bubbles. Presently, there are rare research reference on piezo pump bubble dynamics inside and outside China, and it’s lack of an effective solution to the problem of stability from the bubbles to the piezo pump performances. Therefore, it’s a new attempt both in theory and in practice on the bubbles restraint and exclusion from surface infiltration optimization technology to improve the stability and reliability of the piezo pump, which will be an innovation.

液体压电泵以其体积小、性价比高、流量控制性好等优点在生物医药、精细化工、民用消费等领域有着良好应用前景，但工作中常常产生的气泡导致其性能急剧下降，使之应用受到了很大限制。本项目提出一种利用超疏水/超亲水改性技术构造压电泵的新方法，研究这种方式下流体的气-液-固三相耦合动力学问题、气泡的形成机理及壁面改性对气泡抑制与去除作用机制问题、系统结构设计与参数优选问题等，进行基于这一表面浸润性优化技术的压电泵制造及效果的试验与检测等，验证这一技术的可行性。有关工作将为构造既可抑制气泡生成又可快速去除气泡的压电泵提供理论依据和设计方法。目前国内外有关压电泵内气泡动力学的研究文献较为少见，对气泡损害性能稳定性问题缺乏有效的解决办法，而本项目将壁面浸润性优化技术用于对气泡的抑制与去除，提高压电泵的稳定性与可靠性，在理论和实践上都是一种新尝试，具有一定的创新性。

液体压电泵以其体积小、性价比高、流量控制性好等优点在生物医药、精细化工、民用消费等 领域有着良好应用前景，但工作中常常产生的气泡导致其性能急剧下降，使之应用受到了很大 限制。本项目提出l了一种利用超疏水/超亲水改性技术构造压电泵的新方法，研究了这种方式下流体的气-液-固三相耦合动力学问题、气泡的形成机理及壁面改性对气泡抑制与去除作用机制问题、系统结构设计与参数优选问题等，进行了基于这一表面浸润性优化技术的压电泵制造及效果 的试验与检测等，验证这一技术是可行的。有关的研究工作为构造既可抑制气泡生成又可快速去除气泡的压电泵提供了理论依据和设计方法。目前国内外有关压电泵内气泡动力学的研究文献较为少见，对气泡损害性能稳定性问题缺乏有效的解决办法，而本项目将壁面浸润性优化技术用 对气泡的抑制与去除，提高压电泵的稳定性与可靠性，在理论和实践上都是一种新尝试，具有 一定的创新性。