Correlations for saturated critical heat flux in microchannels
(2011) In International Journal of Heat and Mass Transfer 54(1). p.379-389- Abstract
- Experimental results of the saturated-flow boiling critical heat flux (CHF) in microchannels for both multi- and single-channel configurations were obtained from the literature. The collected database contains 629 data points, covering five halogenated refrigerants, nitrogen, and water, for a wide range of operational conditions, and different microchannel dimensions. The whole database was analyzed by using five empirical correlations to verify their respective accuracies. However, none of the existing correlations could predict the entire database precisely. A saturated CHF correlation was proposed by using boiling number, length-to-diameter ratio, and exit quality. Combining with the energy balance equation, the new correlation can... (More)
- Experimental results of the saturated-flow boiling critical heat flux (CHF) in microchannels for both multi- and single-channel configurations were obtained from the literature. The collected database contains 629 data points, covering five halogenated refrigerants, nitrogen, and water, for a wide range of operational conditions, and different microchannel dimensions. The whole database was analyzed by using five empirical correlations to verify their respective accuracies. However, none of the existing correlations could predict the entire database precisely. A saturated CHF correlation was proposed by using boiling number, length-to-diameter ratio, and exit quality. Combining with the energy balance equation, the new correlation can predict the overall microchannel database accurately on the whole. It predicts almost 97.0% of the non-aqueous data (except R12 data points located in the macro-scale region) and 94.0% of the water data within the ±30% error band. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4285432
- author
- Wu, Zan LU ; Li, Wei and Ye, Shuang
- organization
- publishing date
- 2011
- type
- Contribution to journal
- publication status
- published
- subject
- in
- International Journal of Heat and Mass Transfer
- volume
- 54
- issue
- 1
- pages
- 379 - 389
- publisher
- Pergamon Press Ltd.
- external identifiers
-
- scopus:78449276190
- ISSN
- 0017-9310
- language
- English
- LU publication?
- no
- id
- f40ba869-8b40-41be-8866-a8b6273cd783 (old id 4285432)
- date added to LUP
- 2016-04-01 11:05:43
- date last changed
- 2022-04-28 07:09:51
@article{f40ba869-8b40-41be-8866-a8b6273cd783,
abstract = {{Experimental results of the saturated-flow boiling critical heat flux (CHF) in microchannels for both multi- and single-channel configurations were obtained from the literature. The collected database contains 629 data points, covering five halogenated refrigerants, nitrogen, and water, for a wide range of operational conditions, and different microchannel dimensions. The whole database was analyzed by using five empirical correlations to verify their respective accuracies. However, none of the existing correlations could predict the entire database precisely. A saturated CHF correlation was proposed by using boiling number, length-to-diameter ratio, and exit quality. Combining with the energy balance equation, the new correlation can predict the overall microchannel database accurately on the whole. It predicts almost 97.0% of the non-aqueous data (except R12 data points located in the macro-scale region) and 94.0% of the water data within the ±30% error band.}},
author = {{Wu, Zan and Li, Wei and Ye, Shuang}},
issn = {{0017-9310}},
language = {{eng}},
number = {{1}},
pages = {{379--389}},
publisher = {{Pergamon Press Ltd.}},
series = {{International Journal of Heat and Mass Transfer}},
title = {{Correlations for saturated critical heat flux in microchannels}},
volume = {{54}},
year = {{2011}},
}