Ultra-Thin and Micro Heat Pipe Manufacturing and Their Applications

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 3059

Special Issue Editor

Advanced Thermal Management Technology Laboratory, University of Chinese Academy of Sciences, Beijing 101408, China
Interests: micro-scale enhanced heat transfer theory and experimental research; heat pipe two-phase flow and heat transfer model; micro-thermoelectric conversion system

Special Issue Information

Dear Colleagues,

The reducing size and improving performance of electronic devices such as smartphones, tablet computers and micro/meso-spacecrafts have led to a dramatic increase of heat fluxes generated by the internal electronic components. Thermal management has been becoming a bottleneck that restricts the further development of electronic devices. Ultra-thin and micro heat pipes, as two-phase passive heat spreaders, are an effective and promising solution for the cooling of mobile electronics.

However, it is very difficult to fabricate an ultra-thin and micro heat pipes with an expected high thermal conductivity. The manufacturing and packaging processes of these fine devices, coupled with the selection and preparation of the appropriate case material, wick structure and working fluid, are very challenging and should be studied carefully, which determines the heat-transfer performance of the ultra-thin and micro heat pipes in academia and industry.

This Special Issue is focused on the manufacturing process and the application status of ultra-thin and micro heat pipes. Articles focusing on new fabrication technologies, including but not limited to different materials, novel wick designs and assembly techniques, new test methods, and application extension of the ultra-thin and micro heat pipe, will be welcomed and reviewed as soon as possible.

Dr. Ji Li
Guest Editor

Manuscript Submission Information

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Keywords

  • microscale
  • heat pipe
  • loop heat pipe
  • pulsating heat pipe
  • flat heat pipe
  • ultra-thin
  • heat transfer
  • manufacturing
  • application

Published Papers (1 paper)

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Research

14 pages, 8187 KiB  
Article
Thermal Performance of the Thin Heat Pipe for Cooling of Solid-State Drives
by Dongdong Yuan, Jiajia Chen, Yong Yang, Liyong Zhang, Songyan Liu, Huafei Jiang and Ning Qian
Metals 2022, 12(11), 1786; https://doi.org/10.3390/met12111786 - 23 Oct 2022
Cited by 2 | Viewed by 1900
Abstract
With the rapid development of information science and technology, the demand for computer data processing is increasing, resulting in the rapid growth of the demand for high-power and high-performance solid-state drives (SSDs). The stable operation of SSDs plays an important role in ensuring [...] Read more.
With the rapid development of information science and technology, the demand for computer data processing is increasing, resulting in the rapid growth of the demand for high-power and high-performance solid-state drives (SSDs). The stable operation of SSDs plays an important role in ensuring the reliable working conditions and appropriate temperature of information technology equipment, rack servers, and related facilities. However, SSDs usually have significant heat emissions, putting forward higher requirements for temperature and humidity control, and consequently the heat sink system for cooling is essential to maintain the proper working state of SSDs. In this paper, a new type of thin heat pipe (THP) heat sink is proposed, and the heat transfer performance and cooling effect are experimentally and numerically studied. The numerical results are compared with experimental results, which showed an error within 5%. Single and double heat pipes were investigated under different input powers (from 5 W to 50 W) and different placement angles between 0° and 90°. The heat transfer performance of the new heat sink is analyzed by the startup performance, the evaporator temperature, and the total thermal resistance. The results show that the new double THPs with a 90° angle have a great advantage in the heat transfer performance of SSDs. The research is of great significance for the design and optimization of the SSDs’ cooling system in practical applications. Full article
(This article belongs to the Special Issue Ultra-Thin and Micro Heat Pipe Manufacturing and Their Applications)
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