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- Title
A drift-flux model for the analysis of low-velocity gas-lead-bismuth two-phase flow in a circular flow channel.
- Authors
Liu, Zihua; Wang, Di; Liang, Ren; Cai, Dechang; Ouyang, Yong; Lin, Zhikang
- Abstract
In this paper, a single-equation drift-flux type model for gas-lead-bismuth eutectic (LBE) two-phase flow analysis in the LBE fast reactor steam generator tube rupture (SGTR) accident is established. As the area-averaged superficial gas velocity increases, the calculated exponent P in the Bankoff model increases, and the distribution parameter C0 decreases. The reliability of the model is confirmed by comparing the predicted results with a total of 76 sets of open experimental data from a bubble-column case and a gas lift pump case. The relative deviation between the predicted and experimental values of the void fraction is within 20 %. The model proposed in this paper helps to realize the early warning and analysis of SGTR accidents in LBE fast reactors, and can provide theoretical and technical guidance for the safety design and evaluation of LBE fast reactors.
- Subjects
CHANNEL flow; FAST reactors; STEAM generators; OIL well gas lift; POROSITY; TWO-phase flow; THERMAL hydraulics
- Publication
Journal of Mechanical Science & Technology, 2023, Vol 37, Issue 9, p4695
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-023-0824-8