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Critical heat flux maxima during boiling crisis on textured surfaces

Author

Listed:
  • Navdeep Singh Dhillon

    (Massachusetts Institute of Technology)

  • Jacopo Buongiorno

    (Massachusetts Institute of Technology)

  • Kripa K. Varanasi

    (Massachusetts Institute of Technology)

Abstract

Enhancing the critical heat flux (CHF) of industrial boilers by surface texturing can lead to substantial energy savings and global reduction in greenhouse gas emissions, but fundamentally this phenomenon is not well understood. Prior studies on boiling crisis indicate that CHF monotonically increases with increasing texture density. Here we report on the existence of maxima in CHF enhancement at intermediate texture density using measurements on parametrically designed plain and nano-textured micropillar surfaces. Using high-speed optical and infrared imaging, we study the dynamics of dry spot heating and rewetting phenomena and reveal that the dry spot heating timescale is of the same order as that of the gravity and liquid imbibition-induced dry spot rewetting timescale. Based on these insights, we develop a coupled thermal-hydraulic model that relates CHF enhancement to rewetting of a hot dry spot on the boiling surface, thereby revealing the mechanism governing the hitherto unknown CHF enhancement maxima.

Suggested Citation

  • Navdeep Singh Dhillon & Jacopo Buongiorno & Kripa K. Varanasi, 2015. "Critical heat flux maxima during boiling crisis on textured surfaces," Nature Communications, Nature, vol. 6(1), pages 1-12, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9247
    DOI: 10.1038/ncomms9247
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    Cited by:

    1. Hak Rae Cho & Su Cheong Park & Doyeon Kim & Hyeong-min Joo & Dong In Yu, 2021. "Experimental Study on Pool Boiling on Hydrophilic Micro/Nanotextured Surfaces with Hydrophobic Patterns," Energies, MDPI, vol. 14(22), pages 1-13, November.
    2. Tang, Heng & Xia, Liangfeng & Tang, Yong & Weng, Changxing & Hu, Zuohuan & Wu, Xiaoyu & Sun, Yalong, 2022. "Fabrication and pool boiling performance assessment of microgroove array surfaces with secondary micro-structures for high power applications," Renewable Energy, Elsevier, vol. 187(C), pages 790-800.
    3. Sun, Yalong & Tang, Yong & Zhang, Shiwei & Yuan, Wei & Tang, Heng, 2022. "A review on fabrication and pool boiling enhancement of three-dimensional complex structures," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).
    4. Yuan, Xiao & Du, Yanping & Su, Jing, 2022. "Approaches and potentials for pool boiling enhancement with superhigh heat flux on responsive smart surfaces: A critical review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 156(C).
    5. Chen, Jingtan & Ahmad, Shakeel & Cai, Junjie & Liu, Huaqiang & Lau, Kwun Ting & Zhao, Jiyun, 2021. "Latest progress on nanotechnology aided boiling heat transfer enhancement: A review," Energy, Elsevier, vol. 215(PA).
    6. Hesam Moghadasi & Navid Malekian & Hamid Saffari & Amir Mirza Gheitaghy & Guo Qi Zhang, 2020. "Recent Advances in the Critical Heat Flux Amelioration of Pool Boiling Surfaces Using Metal Oxide Nanoparticle Deposition," Energies, MDPI, vol. 13(15), pages 1-49, August.
    7. Mohd Danish & Mohammed K. Al Mesfer & Khursheed B. Ansari & Mudassir Hasan & Abdelfattah Amari & Babar Azeem, 2021. "Predicting Conduction Heat Flux through Macrolayer in Nucleate Pool Boiling," Energies, MDPI, vol. 14(13), pages 1-13, June.
    8. Limiao Zhang & Chi Wang & Guanyu Su & Artyom Kossolapov & Gustavo Matana Aguiar & Jee Hyun Seong & Florian Chavagnat & Bren Phillips & Md Mahamudur Rahman & Matteo Bucci, 2023. "A unifying criterion of the boiling crisis," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    9. Wenming Li & Siyan Yang & Yongping Chen & Chen Li & Zuankai Wang, 2023. "Tesla valves and capillary structures-activated thermal regulator," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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