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首页> 外文期刊>International Journal of Heat and Mass Transfer >Fabrication and characterization of pure-metal-based submillimeter-thick flexible flat heat pipe with innovative wick structures
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Fabrication and characterization of pure-metal-based submillimeter-thick flexible flat heat pipe with innovative wick structures

机译：具有创新芯结构的纯金属基亚毫米厚的柔性扁平热管的制造与表征

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摘要

In this study, a novel flexible and thin flat-plate heat pipe is fabricated and its thermal performance is characterized experimentally. The heat pipe considered in this study is made of copper-only, and employs an innovative mesh-type wick structure with nanostructured superhydrophilic surface. A single-layered copper woven mesh with nanostructured superhydrophilic surface is used as the liquid wicking structure, whereas a triple-layered coarse mesh with bare copper surface serves for vapor transporation and mechanical support against the high vacuum pressure. The fabricated heat pipe is flexible, suggesting that it can be used in many engineering applications. In addition, an analytic model for predicting the thermal resistance and the maximum heat transfer rate is developed. It has been shown that the nanostructured superhydrophilic surface can bring about a significant enhancement in the thermal performance compared with that with conventional base copper surface. Based on the results from the experiment and the analysis, the effect of wick structure on the thermal performance of the heat pipe is discussed.
机译：在这项研究中，制造了一种新颖的柔性薄板热管，并通过实验表征了其热性能。本研究中考虑的热管仅由铜制成，并采用了具有纳米结构的超亲水表面的创新型网状灯芯结构。具有纳米结构的超亲水表面的单层铜编织网用作液体芯吸结构，而具有裸铜表面的三层粗网则用于蒸气传输和抵抗高真空压力的机械支撑。制成的热管是柔性的，表明它可以用于许多工程应用中。另外，建立了用于预测热阻和最大传热速率的解析模型。已经表明，与常规的基础铜表面相比，纳米结构的超亲水性表面可以显着提高热性能。根据实验结果和分析结果，探讨了灯芯结构对热管热性能的影响。

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  • 作者

    Daehoon Lee; Chan Byon;

  • 作者单位

    School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST);

    School of Mechanical, Aerospace and Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST);

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Flexible; Flat; Heat pipe; Superhydrophilic;

    机译：柔性;扁平;热管;超亲水性;

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