脉动热管强化传热及其应用研究进展

Research progress on heat transfer enhancement and application of oscillating heat pipe

脉动热管作为一种新型热管技术,由于其结构简单、传热性能好以及环境适应性强等优点,在热管理、太阳能集热、余热回收等热传输领域都极具应用潜力。高热通量器件、热能的利用和回收等领域的快速发展,对传热装置的传热性能和工况适应性提出了更高的要求。为进一步强化内部两相流传热以及适应不同工况,结构多样的新型脉动热管应运而生。针对新结构脉动热管的研究进展,主要从强化传热性能的内部结构优化、适应不同应用需求的外部新结构及新结构脉动热管的应用研究三个方面进行总结。后续的研究应该在明晰运行机制的基础上,设计出通用性的新结构脉动热管。

As a new type of heat pipe technology,oscillating heat pipe(OHP)has the advantages of simple structure,good heat transfer performance,and strong environmental adaptability.It has great application potential in heat transfer fields such as thermal management,solar heat collection,waste heat recovery,and etc.The rapid development of high heat flux devices,utilization and recovery of heat energy and other fields have put forward higher requirements for heat transfer performance and adaptability of heat transfer devices.In order to further enhance the internal two-phase flow heat transfer and adapt to different working conditions,new OHPs with various structures have been proposed.The research progress of the new structure OHP is mainly summarized from three aspects:the internal structure optimization to strengthen the thermal performance,the new external structure to meet the needs of different application requirements,and the application research of the new structure OHP.The follow-up research should design universal new structure OHPs on the basis of clarifying the operation mechanism.