Two-phase flow instability and dynamics of a parallel multichannel system has been theoretically studied under periodic excitation induced by rolling motion in the present research. Based on the homogeneous flow model considering the rolling motion, the parallel multichannel model and system control equations are established by using the control volume integrating method. Gear method is used to solve the system control equations. The influences of the inlet, upward sections, and heating power on the flow instability under rolling motion have been analyzed. The marginal stability boundary (MSB) under rolling motion condition is obtained. The unstable regions occur in both low and high equilibrium quality and inlet subcooling regions. The multiplied period phenomenon occurs in the high equilibrium quality region and the chaos phenomenon appears on the right of MSB. The concept of stability space is presented.
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18th International Conference on Nuclear Engineering
May 17–21, 2010
Xi’an, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4930-9
PROCEEDINGS PAPER
Numerical Research on Oscillation of Two-Phase Flow Under Rolling Motion Available to Purchase
Y. J. Zhang,
Y. J. Zhang
Xi’an Jiaotong University, Xi’an, China
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G. H. Su,
G. H. Su
Xi’an Jiaotong University, Xi’an, China
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S. Z. Qiu,
S. Z. Qiu
Xi’an Jiaotong University, Xi’an, China
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H. Li
H. Li
Xi’an JiaoTong University, Xi’an, China
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Y. J. Zhang
Xi’an Jiaotong University, Xi’an, China
G. H. Su
Xi’an Jiaotong University, Xi’an, China
S. Z. Qiu
Xi’an Jiaotong University, Xi’an, China
H. Li
Xi’an JiaoTong University, Xi’an, China
Paper No:
ICONE18-29550, pp. 587-598; 12 pages
Published Online:
April 8, 2011
Citation
Zhang, YJ, Su, GH, Qiu, SZ, & Li, H. "Numerical Research on Oscillation of Two-Phase Flow Under Rolling Motion." Proceedings of the 18th International Conference on Nuclear Engineering. 18th International Conference on Nuclear Engineering: Volume 2. Xi’an, China. May 17–21, 2010. pp. 587-598. ASME. https://doi.org/10.1115/ICONE18-29550
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