Bubble departure frequency in forced convective subcooled boiling flow

R. Situ; M. Ishii; T. Hibiki; J. Y. Tu; G. H. Yeoh; M. Mori

doi:10.1016/j.ijheatmasstransfer.2008.04.028

Bubble departure frequency in forced convective subcooled boiling flow

R. Situ
, M. Ishii
, T. Hibiki
, J. Y. Tu
, G. H. Yeoh
, M. Mori

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

128 Citations (Scopus)

Abstract

Forced convective subcooled boiling flow experiments were conducted in a vertical upward annular channel. Water was used as the testing fluid, and the tests were performed at atmospheric pressure. A high-speed digital video camera was applied to capture the dynamics of the bubble nucleation process. Bubble departure frequencies were obtained from the video for a total of 58 test conditions. The non-dimensional analysis was performed on the current data as well as available data from literature. Existing models and correlations were compared with the experimental data of bubble waiting time, growth time, and departure frequency. The correlations developed for pool boiling flow do not work well for forced convective subcooled boiling flow, while the models proposed for subcooled boiling flow cannot predict the bubble departure frequency in wide experimental ranges. Dimensionless bubble departure frequency is correlated with non-dimensional nucleate boiling heat flux. The new correlation agrees reasonably well with existing experimental data at lower wall superheat. © 2008 Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	6268-6282
Journal	International Journal of Heat and Mass Transfer
Volume	51
Issue number	25-26
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2008.04.028
Publication status	Published - Dec 2008
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Research Keywords

Bubble departure frequency
Bubble departure size
Bubble growth time
Bubble waiting time
Flow visualization
Forced convection
Subcooled boiling

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title = "Bubble departure frequency in forced convective subcooled boiling flow",

abstract = "Forced convective subcooled boiling flow experiments were conducted in a vertical upward annular channel. Water was used as the testing fluid, and the tests were performed at atmospheric pressure. A high-speed digital video camera was applied to capture the dynamics of the bubble nucleation process. Bubble departure frequencies were obtained from the video for a total of 58 test conditions. The non-dimensional analysis was performed on the current data as well as available data from literature. Existing models and correlations were compared with the experimental data of bubble waiting time, growth time, and departure frequency. The correlations developed for pool boiling flow do not work well for forced convective subcooled boiling flow, while the models proposed for subcooled boiling flow cannot predict the bubble departure frequency in wide experimental ranges. Dimensionless bubble departure frequency is correlated with non-dimensional nucleate boiling heat flux. The new correlation agrees reasonably well with existing experimental data at lower wall superheat. {\textcopyright} 2008 Elsevier Ltd. All rights reserved.",

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note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].",

year = "2008",

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T1 - Bubble departure frequency in forced convective subcooled boiling flow

AU - Situ, R.

AU - Ishii, M.

AU - Hibiki, T.

AU - Tu, J. Y.

AU - Yeoh, G. H.

AU - Mori, M.

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

PY - 2008/12

Y1 - 2008/12

N2 - Forced convective subcooled boiling flow experiments were conducted in a vertical upward annular channel. Water was used as the testing fluid, and the tests were performed at atmospheric pressure. A high-speed digital video camera was applied to capture the dynamics of the bubble nucleation process. Bubble departure frequencies were obtained from the video for a total of 58 test conditions. The non-dimensional analysis was performed on the current data as well as available data from literature. Existing models and correlations were compared with the experimental data of bubble waiting time, growth time, and departure frequency. The correlations developed for pool boiling flow do not work well for forced convective subcooled boiling flow, while the models proposed for subcooled boiling flow cannot predict the bubble departure frequency in wide experimental ranges. Dimensionless bubble departure frequency is correlated with non-dimensional nucleate boiling heat flux. The new correlation agrees reasonably well with existing experimental data at lower wall superheat. © 2008 Elsevier Ltd. All rights reserved.

AB - Forced convective subcooled boiling flow experiments were conducted in a vertical upward annular channel. Water was used as the testing fluid, and the tests were performed at atmospheric pressure. A high-speed digital video camera was applied to capture the dynamics of the bubble nucleation process. Bubble departure frequencies were obtained from the video for a total of 58 test conditions. The non-dimensional analysis was performed on the current data as well as available data from literature. Existing models and correlations were compared with the experimental data of bubble waiting time, growth time, and departure frequency. The correlations developed for pool boiling flow do not work well for forced convective subcooled boiling flow, while the models proposed for subcooled boiling flow cannot predict the bubble departure frequency in wide experimental ranges. Dimensionless bubble departure frequency is correlated with non-dimensional nucleate boiling heat flux. The new correlation agrees reasonably well with existing experimental data at lower wall superheat. © 2008 Elsevier Ltd. All rights reserved.

KW - Bubble departure frequency

KW - Bubble departure size

KW - Bubble growth time

KW - Bubble waiting time

KW - Flow visualization

KW - Forced convection

KW - Subcooled boiling

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U2 - 10.1016/j.ijheatmasstransfer.2008.04.028

DO - 10.1016/j.ijheatmasstransfer.2008.04.028

M3 - RGC 21 - Publication in refereed journal

SN - 0017-9310

VL - 51

SP - 6268

EP - 6282

JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 25-26

ER -

Bubble departure frequency in forced convective subcooled boiling flow

Abstract

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Research Keywords

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