Abstract: This paper introduced the structure and working principle of Oscillating Heat Pipes (OHPs) and reviewed recent experimental and theoretical studies that involving visualization，thermal characteristics，theoretical/analytical models as well as the progress in nanofluid OHPs and micro OHPs. The applications of OHPs available in diverse areas were summarized. Key factors influencing the development of OHPs，such as model prediction，design optimization and heat transfer limit，were discussed.

Key words: oscillating heat pipe, visualization, thermal characteristics, modeling, application

摘要： 脉动热管由于具有结构简单、成本低廉、传热性能突出及环境适应性强的优点，已成为近年来热管技术领域的一个研究热点。本文在介绍脉动热管基本工作原理和结构特征的基础上，系统综述了其在可视化、传热特性实验和理论模拟分析等方面的研究现状，并就纳米流体脉动热管和微型脉动热管的研究进展作了一定报道，同时还总结了脉动热管在微电子冷却、余热回收、干燥、太阳能集热和制冷空调等方面的应用研究情况。最后，分析探讨了脉动热管研究中包括模型预测、设计优化、传热极限等在内的一些尚需解决的关键问题和今后的研究发展趋势。

关键词: 脉动热管, 可视化, 传热特性, 模拟, 应用