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Heat transfer characteristics of single-ring closed PHP

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Abstract

In order to solve the problem of heat dissipation in the current industry, a single ring closed pulsating heat pipe (PHP) was simulated in this paper. Firstly, the geometry model and numerical simulation model of single ring closed cycle PHP were established to obtain the temperature change rule of PHP and the position motion state of the vapor-plug and liquid-column in the tube. At the same time, a test bench was set up to verify the accuracy of the simulation results. The time series data of temperature and position of vapor-plug and liquid-column in PHP are extracted, and the chaotic characteristics of PHP are obtained. The results show that with the increase of the heating power, the motion state of the working fluid, the chaotic attractor and Lyapunov index have all changed significantly. The results provide a foundation for further research on the features and mechanism of PHP.

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Acknowledgments

This work is supported by the Natural Science Foundation of Liaoning Province Research Program (NSFLN: No. 2019-ZD-0067), China.

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Authors and Affiliations

  1. College of Mechanical and Power Engineering, Shenyang University of Chemical Technology, Shen Yang, 110142, China

    Lipeng Wang, Yue Cai, Qianqian Zhang, Sheng Shi, Lin Wu & Hongren Zhan

Authors
  1. Lipeng Wang
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  2. Yue Cai
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  3. Qianqian Zhang
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  4. Sheng Shi
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  5. Lin Wu
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  6. Hongren Zhan
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Corresponding author

Correspondence to Hongren Zhan.

Additional information

Recommended by Editor Yong Tae Kang

Wang Lipeng received his M.Eng. and Ph.D. degree in Shenyang University of Technology, China. Dr. Wang is currently an Associate Professor in the College of Mechanical and Power Engineering, Shenyang University of Chemical Technology, China. Dr. Wang’s research interests include heat transfer element and its enhancement, theory and method of engineering numerical calculation.

Zhan Hongren received her M.Eng. degree in Kyushu University of Technology, Japan, in 2001. She then received her Ph.D. degree in College of Materials and Metallurgy, Northeastern University, China. Dr. Zhan’s research interests include heat and mass transfer in porous media, high-efficiency energy-saving equipment and simulation, comprehensive utilization of mineral resources.

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Wang, L., Cai, Y., Zhang, Q. et al. Heat transfer characteristics of single-ring closed PHP. J Mech Sci Technol 35, 1771–1779 (2021). https://doi.org/10.1007/s12206-021-0339-0

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  • DOI: https://doi.org/10.1007/s12206-021-0339-0

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