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Spray characteristics and spray cooling heat transfer in the non-boiling regime

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  • Cheng, Wen-Long
  • Han, Feng-Yun
  • Liu, Qi-Nie
  • Fan, Han-Lin

Abstract

Spray cooling is an effective method for dissipating high heat fluxes in the field of electronics thermal control. In this study, experiments were performed with distilled water as a test liquid to study the spray cooling heat transfer in non-boiling regime. A Phase Doppler Anemometry (PDA) was used to study the spray characteristics. The effects of spray flow rate, spray height, and inlet temperature on spray cooling heat transfer were investigated. It was found that the parameters affect heat transfer of spray cooling in non-boiling regime by the spray characteristics and working fluid thermophysical properties. Then the corresponding droplet axial velocity and Sauter mean diameter (SMD) were successfully correlated with mean absolute error of 15%, which were based upon the orifice diameter, the Weber and Reynolds numbers of the orifice flow prior to liquid breakup, dimensionless spray height and spray cross-section radius. The heat transfer in non-boiling regime was correlated with a mean absolute error of 7%, which was mainly associated with the working fluid thermophysical properties, the Weber and Reynolds numbers hitting the heating surface, dimensionless heating surface temperature and diameter.

Suggested Citation

  • Cheng, Wen-Long & Han, Feng-Yun & Liu, Qi-Nie & Fan, Han-Lin, 2011. "Spray characteristics and spray cooling heat transfer in the non-boiling regime," Energy, Elsevier, vol. 36(5), pages 3399-3405.
    • Handle: RePEc:eee:energy:v:36:y:2011:i:5:p:3399-3405
    DOI: 10.1016/j.energy.2011.03.039
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    References listed on IDEAS

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    1. Cheng, Wen-Long & Han, Feng-Yun & Liu, Qi-Nie & Zhao, Rui & Fan, Han-lin, 2011. "Experimental and theoretical investigation of surface temperature non-uniformity of spray cooling," Energy, Elsevier, vol. 36(1), pages 249-257.
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    Cited by:

    1. Tianshi Zhang & Ziming Mo & Xiaoyu Xu & Xiaoyan Liu & Haopeng Chen & Zhiwu Han & Yuying Yan & Yingai Jin, 2022. "Advanced Study of Spray Cooling: From Theories to Applications," Energies, MDPI, vol. 15(23), pages 1-40, December.
    2. Xu, Haojie & Wang, Junfeng & Li, Bin & Yu, Kai & Wang, Hai & Tian, Jiameng & Li, Bufa, 2022. "Electrospray characteristics and cooling performance of dielectric fluid HFE-7100," Energy, Elsevier, vol. 259(C).
    3. D’Antoni, M. & Romeli, D. & Fedrizzi, R., 2016. "A model for the performance assessment of hybrid coolers by means of transient numerical simulation," Applied Energy, Elsevier, vol. 181(C), pages 477-494.
    4. Luo, Zhenbing & He, Wei & Deng, Xiong & Zheng, Mu & Gao, Tianxiang & Li, Shiqing, 2023. "A compacted non-pump self-circulation spray cooling system based on dual synthetic jet referring to the principle of two-phase loop thermosyphon," Energy, Elsevier, vol. 263(PB).
    5. Cheng, Wen-Long & Zhang, Wei-Wei & Chen, Hua & Hu, Lei, 2016. "Spray cooling and flash evaporation cooling: The current development and application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 614-628.
    6. Chen, Hua & Cheng, Wen-long & Zhang, Wei-wei & Peng, Yu-hang & Jiang, Li-jia, 2017. "Energy saving evaluation of a novel energy system based on spray cooling for supercomputer center," Energy, Elsevier, vol. 141(C), pages 304-315.
    7. GaneshKumar, Poongavanam & Sivalingam, VinothKumar & Vigneswaran, V.S. & Ramalingam, Velraj & Seong Cheol, Kim & Vanaraj, Ramkumar, 2024. "Spray cooling for hydrogen vehicle, electronic devices, solar and building (low temperature) applications: A state-of-art review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 189(PA).
    8. Jihang Xu & Weitao Bai & Jian Wang & Zhihui Mu & Weizhen Sun & Boda Dong & Kai Song & Yalan Yang & Shirong Guo & Sheng Shu & Yu Wang, 2023. "Study on the Cooling Effect of Double-Layer Spray Greenhouse," Agriculture, MDPI, vol. 13(7), pages 1-16, July.

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