Effect of nanofluid on the film boiling behavior at vapor film collapse

Takahiro Arai; Masahiro Furuya

doi:10.1115/ICONE17-75764

Effect of nanofluid on the film boiling behavior at vapor film collapse

Takahiro Arai^*, Masahiro Furuya

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

A high-temperature stainless-steel sphere was immersed into Al ₂O₃ nanofluid to investigate film boiling heat transfer and collapse of vapor film. Surface temperature is referred to the measured value of thermocouples embedded into and welded onto a surface of the sphere. A direct contact between the immersed sphere and Al₂O₃ nanofluids is quantified by the acquired electric conductivity. The Al ₂O₃ nanofluid concentration is varied from 0.024 to 1.3 vol%. A film boiling heat transfer rate of Al₂O₃ nanofluid is almost the same or slightly lower than that of water. A quenching temperature rises slightly with increased the Al₂O₃ nanofluid concentrations. In both water and Al₂O₃ nanofluid, the direct contact signals between the sphere and coolant were not detected before vapor film collapse.

Original language	English
Title of host publication	Proceedings of the 17th International Conference on Nuclear Engineering 2009, ICONE17
Pages	633-638
Number of pages	6
DOIs	https://doi.org/10.1115/ICONE17-75764
Publication status	Published - 2009 Dec 1
Externally published	Yes
Event	17th International Conference on Nuclear Engineering, ICONE17 - Brussels, Belgium Duration: 2009 Jul 12 → 2009 Jul 16

Publication series

Name	International Conference on Nuclear Engineering, Proceedings, ICONE
Volume	3

Conference

Conference	17th International Conference on Nuclear Engineering, ICONE17
Country/Territory	Belgium
City	Brussels
Period	09/7/12 → 09/7/16

ASJC Scopus subject areas

Nuclear Energy and Engineering

Access to Document

10.1115/ICONE17-75764

Cite this

Effect of nanofluid on the film boiling behavior at vapor film collapse. / Arai, Takahiro; Furuya, Masahiro.

Proceedings of the 17th International Conference on Nuclear Engineering 2009, ICONE17. 2009. p. 633-638 (International Conference on Nuclear Engineering, Proceedings, ICONE; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Arai, T & Furuya, M 2009, Effect of nanofluid on the film boiling behavior at vapor film collapse. in Proceedings of the 17th International Conference on Nuclear Engineering 2009, ICONE17. International Conference on Nuclear Engineering, Proceedings, ICONE, vol. 3, pp. 633-638, 17th International Conference on Nuclear Engineering, ICONE17, Brussels, Belgium, 09/7/12. https://doi.org/10.1115/ICONE17-75764

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title = "Effect of nanofluid on the film boiling behavior at vapor film collapse",

abstract = "A high-temperature stainless-steel sphere was immersed into Al 2O3 nanofluid to investigate film boiling heat transfer and collapse of vapor film. Surface temperature is referred to the measured value of thermocouples embedded into and welded onto a surface of the sphere. A direct contact between the immersed sphere and Al2O3 nanofluids is quantified by the acquired electric conductivity. The Al 2O3 nanofluid concentration is varied from 0.024 to 1.3 vol%. A film boiling heat transfer rate of Al2O3 nanofluid is almost the same or slightly lower than that of water. A quenching temperature rises slightly with increased the Al2O3 nanofluid concentrations. In both water and Al2O3 nanofluid, the direct contact signals between the sphere and coolant were not detected before vapor film collapse.",

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AB - A high-temperature stainless-steel sphere was immersed into Al 2O3 nanofluid to investigate film boiling heat transfer and collapse of vapor film. Surface temperature is referred to the measured value of thermocouples embedded into and welded onto a surface of the sphere. A direct contact between the immersed sphere and Al2O3 nanofluids is quantified by the acquired electric conductivity. The Al 2O3 nanofluid concentration is varied from 0.024 to 1.3 vol%. A film boiling heat transfer rate of Al2O3 nanofluid is almost the same or slightly lower than that of water. A quenching temperature rises slightly with increased the Al2O3 nanofluid concentrations. In both water and Al2O3 nanofluid, the direct contact signals between the sphere and coolant were not detected before vapor film collapse.

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Effect of nanofluid on the film boiling behavior at vapor film collapse

Abstract

Publication series

Conference

ASJC Scopus subject areas

Access to Document

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