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Licensed Unlicensed Requires Authentication Published online by De Gruyter January 13, 2022

Pool boiling performance of oxide nanofluid on a downward-facing heating surface

Zhibo Zhang ORCID logo, Huai-En Hsieh ORCID logo, Yuan Gao, Shiqi Wang, Jia Gao and Zhe Zhou
From the journal Kerntechnik


In this study, the pool boiling performance of oxide nanofluid was investigated, the heating surface is a 5 × 30 mm stainless steel heating surface. Three kinds of nanofluids were selected to explore their critical heat flux (CHF) and heat transfer coefficient (HTC), which were TiO2, SiO2, Al2O3. We observed that these nanofluids enhanced CHF compared to R·O water, and Al2O3 case has the most significant enhancement (up to 66.7%), furthermore, the HTC was also enhanced. The number of bubbles in nanofluid case was relatively less than that in R·O water case, but the bubbles were much larger. The heating surface was characterized and it was found that there were nano-particles deposited, and surface roughness decreased. The wettability also decreased with the increase in CHF.

Corresponding author: Huai-En Hsieh, College of Energy, Xiamen University, No. 4221-104 Xiangan South Road, Xiamen 361002, P. R. China, E-mail:

Funding source: Development Foundation of College of Energy, Xiamen University

Award Identifier / Grant number: 2018NYFZ04

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: The authors appreciate the financial support from Development Foundation of College of Energy, Xiamen University (No. 2018NYFZ04).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.


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Received: 2021-10-22
Published Online: 2022-01-13

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