Experiments on onset of nucleate boiling (ONB) have been performed for the natural circulation flow in a one-sided heated narrow rectangular channel. With fast camera putting into use, the visualization study was conducted to capture the location of ONB. The experiments were performed at pressure of 0.2 MPa and 0.3 MPa, with subcooling temperature ranging from 40 to 60 K, and heating flux ranging from 70 to 220 kW/m2. Differing from conventional channel, the superheats of wall surface in the narrow rectangular channel needed for ONB is larger, and can be predicted with Thom’s correlation in developed flow region. Moreover, the superheat needed for ONB will decrease for the existence of entrance effect. The visualization study indicated that the traditional determination of ONB will bring in more error. In this study, valuable data and image have been provided for the error analysis of ONB.
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2017 25th International Conference on Nuclear Engineering
July 2–6, 2017
Shanghai, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-5784-7
PROCEEDINGS PAPER
Visualization Study on Onset of Nucleate Boiling for Natural Circulation Flow in a Narrow Rectangular Channel Available to Purchase
Chunping Tian,
Chunping Tian
Harbin Engineering University, Harbin, China
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Xiaxin Cao,
Xiaxin Cao
Harbin Engineering University, Harbin, China
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Jianjun Wang,
Jianjun Wang
Harbin Engineering University, Harbin, China
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Changqi Yan,
Changqi Yan
Harbin Engineering University, Harbin, China
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Kuan Yang,
Kuan Yang
Harbin Engineering University, Harbin, China
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Zhiqiang Zhu,
Zhiqiang Zhu
Harbin Engineering University, Harbin, China
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Jianjun Xu
Jianjun Xu
Nuclear Power Institute of China, Chengdu, China
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Chunping Tian
Harbin Engineering University, Harbin, China
Xiaxin Cao
Harbin Engineering University, Harbin, China
Jianjun Wang
Harbin Engineering University, Harbin, China
Changqi Yan
Harbin Engineering University, Harbin, China
Kuan Yang
Harbin Engineering University, Harbin, China
Zhiqiang Zhu
Harbin Engineering University, Harbin, China
Jianjun Xu
Nuclear Power Institute of China, Chengdu, China
Paper No:
ICONE25-66224, V006T08A013; 7 pages
Published Online:
October 17, 2017
Citation
Tian, C, Cao, X, Wang, J, Yan, C, Yang, K, Zhu, Z, & Xu, J. "Visualization Study on Onset of Nucleate Boiling for Natural Circulation Flow in a Narrow Rectangular Channel." Proceedings of the 2017 25th International Conference on Nuclear Engineering. Volume 6: Thermal-Hydraulics. Shanghai, China. July 2–6, 2017. V006T08A013. ASME. https://doi.org/10.1115/ICONE25-66224
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