吸能减震纳米流控系统研究现状

Research Status of Energy Absorption and Shock Absorption Nanofluidic System

纳米流控系统的能量吸收密度远高于传统吸能材料,可用于机械结构部件的吸能减震,具有很大的应用前景。纳米流控系统是由纳米多孔介质与非浸润性功能流体封装而成,与传统吸能材料相比,具有极其优良的吸能减震效果,具有体积小、能量吸收密度高、可重复使用等优势,工作原理为机械能向固液界面能的转换和吸收或耗散。从纳米流控系统的工作原理出发,给出了纳米流控系统的研究现状。详细阐述了内部因素如纳米多孔介质种类、功能流体种类等对纳米流控系统吸能特性的影响规律,外部因素如系统环境温度、加载速率以及外加电场等对纳米流控系统吸能特性的影响规律,探讨了进一步研究的方向与思路,展望了纳米流控系统的未来发展方向与应用前景。

The energy absorption density of nanofluidic system is much higher than that of traditional energy absorbing materials,so it can be used for energy absorption and shock absorption of mechanical structure parts,and has a great application prospect.Nanofluidic system is encapsulated by nanoporous medium and non-invasive functional fluid.Compared with traditional energy-absorbing materials,it has excellent energy absorption and shock absorption effect,and has the advantages of small volume,high energy absorption density,and reusable.The working principle is the conversion and absorption or dissipation of mechanical energy to solid-liquid interface energy.Based on the working principle of nanofluidic system,the research status of nanofluidic system was analyzed.The influence law of internal factors such as the type of nanoporous medium and the type of functional fluid on the energy absorption characteristics of the nanocrystal system was elaborated,and the influence law of external factors such as the system ambient temperature,loading rate and applied electric field on the energy absorption characteristics of the nanocrystal system was elaborated,and the direction and ideas of further research were discussed.The future development direction and application prospect of nanofluidic system were analyzed and prospected.