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Copper–water loop heat pipes for energy-efficient cooling systems of supercomputers

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  • Chernysheva, M.A.
  • Yushakova, S.I.
  • Maydanik, Yu.F.

Abstract

An implementation of a cooling system with a loop heat pipe for thermal control of supercomputers is considered. For this purpose two copper–water loop heat pipes (LHPs) with an effective length of 400 mm and ID/OD diameters of the vapor lines of 3/4 and 4/5 mm correspondingly were designed and tested. The LHPs were equipped with a flat-oval evaporator with one-sided heat supply. The evaporator had a thickness of 7 mm, a length (including the compensation chamber) of 80 mm and a width of 42 mm. The influence of the cooling temperature of the condenser on the LHP operating characteristics was the central issue of this research. Tests were conducted in the range of the cooling temperature from 20 to 80 °C. The heat load supplied to the evaporator was varied from 20 to 600 W. A mathematical model for prediction of the LHP's operating temperature has been developed. It takes into consideration three operating modes of a loop heat pipe. Modeling results and their analysis are presented.

Suggested Citation

  • Chernysheva, M.A. & Yushakova, S.I. & Maydanik, Yu.F., 2014. "Copper–water loop heat pipes for energy-efficient cooling systems of supercomputers," Energy, Elsevier, vol. 69(C), pages 534-542.
    • Handle: RePEc:eee:energy:v:69:y:2014:i:c:p:534-542
    DOI: 10.1016/j.energy.2014.03.048
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    References listed on IDEAS

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    1. Zimmermann, Severin & Meijer, Ingmar & Tiwari, Manish K. & Paredes, Stephan & Michel, Bruno & Poulikakos, Dimos, 2012. "Aquasar: A hot water cooled data center with direct energy reuse," Energy, Elsevier, vol. 43(1), pages 237-245.
    2. Chernysheva, Mariya A. & Pastukhov, Vladimir G. & Maydanik, Yury F., 2013. "Analysis of heat exchange in the compensation chamber of a loop heat pipe," Energy, Elsevier, vol. 55(C), pages 253-262.
    3. Singh, Randeep & Mochizuki, Masataka & Mashiko, Koichi & Nguyen, Thang, 2011. "Heat pipe based cold energy storage systems for datacenter energy conservation," Energy, Elsevier, vol. 36(5), pages 2802-2811.
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    Cited by:

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    2. Guo, Yuandong & Lin, Guiping & Zhang, Hongxing & Miao, Jianyin, 2018. "Investigation on thermal behaviours of a methane charged cryogenic loop heat pipe," Energy, Elsevier, vol. 157(C), pages 516-525.
    3. Liu, Di & Zhao, Fu-Yun & Yang, Hong-Xing & Tang, Guang-Fa, 2015. "Thermoelectric mini cooler coupled with micro thermosiphon for CPU cooling system," Energy, Elsevier, vol. 83(C), pages 29-36.
    4. Kyaw Zin Htoo & Phuoc Hien Huynh & Keishi Kariya & Akio Miyara, 2021. "Experimental Study on Thermal Performance of a Loop Heat Pipe with Different Working Wick Materials," Energies, MDPI, vol. 14(9), pages 1-23, April.
    5. Martinez, Alvaro & Astrain, David & Aranguren, Patricia, 2016. "Thermoelectric self-cooling for power electronics: Increasing the cooling power," Energy, Elsevier, vol. 112(C), pages 1-7.
    6. Zhou, Guohui & Li, Ji & Jia, Zizhou, 2019. "Power-saving exploration for high-end ultra-slim laptop computers with miniature loop heat pipe cooling module," Applied Energy, Elsevier, vol. 239(C), pages 859-875.
    7. Wang, Xinyue & Liu, Yang & Tian, Tong & Li, Ji, 2022. "Directly air-cooled compact looped heat pipe module for high power servers with extremely low power usage effectiveness," Applied Energy, Elsevier, vol. 319(C).
    8. Zhou, Dongfang & Gong, Liang & Chen, Yan & Xin, Gongming, 2024. "Experimental study on flow optimization and thermal performance enhancement of an ultrathin silicon-based loop heat pipe," Energy, Elsevier, vol. 306(C).
    9. Suzheng Zheng & Binyao Lin & Chenyang Zhao & Xue Zhou & Nanxi Li & Deping Dong, 2023. "Numerical Investigation with Experimental Validation of Heat and Mass Transfer during Evaporation in the Porous Wick within a Loop Heat Pipe," Energies, MDPI, vol. 16(5), pages 1-21, February.

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