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conference abstract · The Proceedings of the Thermal Engineering Conference · 2018

Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling

Toru Murano, Satoshi Matsumoto, Akiko KANEKO, Yutaka ABE, Kenichiro Sawada, Osamu KAWANAMI, Hitoshi Asano, Haruhiko Ohta

Cited by 0Open access

Abstract

It is not clear how the dissolved air works and affects heat transfer because the phenomenon is complicated with respect to forced flow boiling. This paper deals with subcooled flow boiling experiments using different inlet subcool temperature in the Perfluorohexane (PFH) in order to clarify its effects on flow boiling heat transfer through a tube with an inner diameter of 4 mm, excess temperature, boiling curve. In order to investigate the factors of the influence, we investigated the change of the boiling curve at local heat transfer coefficient, and the temperature distribution in the axial direction of the metal heat transfer tube. As a result, dissolved air was shown to affect boiling characteristics as boiling curve. In particular, dissolved air significantly affected the boiling curve in the low heat flux region. We found a two-stage overheating drop before occurrence of developed nucleate boiling in case of saturated dissolved air condition. Dissolved air also significantly affects the onset of boiling. These effects lead to increasing generation of bubble. It is considered that nucleate boiling disappears near the inlet of the metal heat transfer tube due to the high inlet subcool temperature, and then the second nucleate boiling occurs.

Cite this paper

APA 7

Murano, T., Matsumoto, S., KANEKO, A., ABE, Y., Sawada, K., KAWANAMI, O., Asano, H., & Ohta, H. (2018). Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling. The Proceedings of the Thermal Engineering Conference, 2018(0), 0155. https://doi.org/10.1299/jsmeted.2018.0155

MLA 9

Murano, Toru, et al. “Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling.” The Proceedings of the Thermal Engineering Conference, vol. 2018, no. 0, 2018, p. 0155, https://doi.org/10.1299/jsmeted.2018.0155.

Chicago

Murano, Toru, Satoshi Matsumoto, Akiko KANEKO, Yutaka ABE, Kenichiro Sawada, Osamu KAWANAMI, Hitoshi Asano, and Haruhiko Ohta. 2018. “Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling.” The Proceedings of the Thermal Engineering Conference 2018 (0): 0155. https://doi.org/10.1299/jsmeted.2018.0155.

Harvard

Murano, T. et al. (2018) ‘Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling’, The Proceedings of the Thermal Engineering Conference, 2018(0), p. 0155. Available at: https://doi.org/10.1299/jsmeted.2018.0155.

BibTeX
@article{murano2018effect,
  title = {{Effect of Non-Condensable Gas on Bubble Formation in Forced Convective Boiling}},
  author = {Murano, Toru and Matsumoto, Satoshi and KANEKO, Akiko and ABE, Yutaka and Sawada, Kenichiro and KAWANAMI, Osamu and Asano, Hitoshi and Ohta, Haruhiko},
  journal = {The Proceedings of the Thermal Engineering Conference},
  volume = {2018},
  number = {0},
  pages = {0155},
  year = {2018},
  doi = {10.1299/jsmeted.2018.0155}
}

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