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Development of hybrid loop heat pipe using pump assistance for cooling application on high heat flux device

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Abstract

Loop heat pipe (LHP) is an effective two-phase heat transfer device that utilizes evaporation and condensation of a working fluid. LHP is widely used in a passive cooling system, highly reliable and a very high thermal conductive device. However, extreme power density can cause dry-out in the evaporator section of LHP and might hinder the performance of the cooling system. The purpose of this research is to design and manufacture a new prototype of LHP by modifying the conventional LHP. The modification was performed by adding a diaphragm pump, called hybrid loop heat pipe (HLHP). The experimental results show that the installation of pumps in the modified LHP was able to prevent the occurrence of a dry out and reduce the operating temperature. Under a constant conductance mode, the pump was activated for 20 minutes and succeded in forcing the system to a new stable condition with a significant temperature drop. These results indicate that HLHP is very promising as a two-phase cooling system that can be proposed for devices that produce high heat flux.

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Acknowledgments

The authors would like to thank the Directorate of Research and Community Service (DRPM), Universitas Indonesia for funding this research through “Hibah PITTA 2018” scheme.

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Authors and Affiliations

  1. Applied Heat Transfer Research Group, Department of Mechanical Engineering, Universitas Indonesia, Kampus UI, Depok, 16424, Indonesia

    Iwan Setyawan, Nandy Putra, Imansyah Ibnu Hakim & Ridho Irwansyah

  2. Department of Mechanical Engineering, Gunadarma University, Jalan Margonda Raya No. 100, Depok, 16424, Indonesia

    Iwan Setyawan

Authors
  1. Iwan Setyawan
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  2. Nandy Putra
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  3. Imansyah Ibnu Hakim
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  4. Ridho Irwansyah
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Corresponding author

Correspondence to Nandy Putra.

Additional information

Recommended by Guest Editor Maenghyo Cho.

Nandy Putra is a Professor in the Department of Mechanical Engineering, Faculty of Engineering, Universitas Indonesia. He earned a Bachelor's degree in Mechanical Engineering from Universitas Indonesia. Furthermore, He received his Ph.D. in Heat Transfer at Universitaet der Bundeswehr Hamburg Germany. His research interests include nanofluids, heat pipe and phase change material.

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Setyawan, I., Putra, N., Hakim, I.I. et al. Development of hybrid loop heat pipe using pump assistance for cooling application on high heat flux device. J Mech Sci Technol 33, 3685–3694 (2019). https://doi.org/10.1007/s12206-019-0710-6

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  • DOI: https://doi.org/10.1007/s12206-019-0710-6

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