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中文摘要：
本文以纳米流体和去离子水的振荡热管作为研究对象，通过实验的方法，运用可视化的加热与观测手段，对比纳米流体和去离子水振荡热管的内部工质流型和冷热端温差，发现纳米颗粒体积浓度达到一定浓度后，相对于去离子水，纳米流体可以降低振荡热管的下极限热流，提高上极限热流，而后者是利用纳米流体为工质改进振荡热管性能主要特点，内在物理实质是纳米流体具有明显不同的流型转变。
英文摘要：
A series of experimental observations were conducted to explore the fundamental phenomena and operating performance in oscillating heat pipes with nanofluid and water, and a special emphasis was paid to compare their flow patterns inside the heat pipes and temperature differences between the evaporator and condenser. The experiments indicate that nano-particle suspensions caused a decrease in the start-up heat flux and an increase in the stop-over heat flux, compared with water. As an important feature of nanofluid oscillating heat pipes, increasing the stop-over heat flux was mainly dependent upon the significant difference of oscillating flow pattern conversions.
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