Numerical simulation of thermal stratification characteristics in the upper plenum chamber of lead-based fast reactors

Yue WANG; Xuanming LIU; Fengchen LI; Hongna ZHANG; Shuqi MENG; Xin WANG; Yulong MAO; Qian LI; Weihua CAI

doi:10.11889/j.0253-3219.2025.hjs.48.240536

NUCLEAR TECHNIQUES, Volume. 48, Issue 7, 070019(2025)

Numerical simulation of thermal stratification characteristics in the upper plenum chamber of lead-based fast reactors

Yue WANG^1,2, Xuanming LIU^1,2, Fengchen LI³, Hongna ZHANG³, Shuqi MENG⁴, Xin WANG⁴, Yulong MAO⁴, Qian LI^1,2, and Weihua CAI^1,2、*

Author Affiliations

¹Laboratory of Thermo-Fluid Science and Nuclear Engineering, Northeast Electric Power University, Jilin 132012, China

²School of Energy and Power Engineering, Northeast Electric Power University, Jilin 132012, China

³School of Mechanical Engineering, Tianjin University, Tianjin 300072, China

⁴China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen 518000, China

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References(17)

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[10] YANG Tao, ZHAO Pengcheng, ZHAO Yanan et al. Development of a reduced-order thermal stratification model for the upper chamber of lead-bismuth fast reactors based on CFD[J]. Nuclear Power Engineering, 44, 48-53(2023).

[11] Yang T, Zhao P C, Zhao Y N et al. Development of reduced-order thermal stratification model for upper plenum of a lead-bismuth fast reactor based on CFD[J]. Nuclear Engineering and Technology, 55, 2835-2843(2023).

[12] MA Jingxiang, DONG Shichang, GONG Shengjie. Numerical simulation of thermal stratification phenomenon in stagnant branch pipe of pressurized water reactors[J]. Nuclear Techniques, 47, 010604(2024).

[13] WEN Congyi, LIU Zijing, ZHAO Pengcheng. Reduced-order analysis model for thermal stratification in the upper plenum of lead-bismuth fast reactors based on improved DMD and LSTM[J]. Nuclear Techniques, 48, 040601(2025).

[14] Cheng X, Tak N I. Investigation on turbulent heat transfer to lead-bismuth eutectic flows in circular tubes for nuclear applications[J]. Nuclear Engineering and Design, 236, 385-393(2006).

[15] Jarrin N, Benhamadouche S, Laurence D et al. A synthetic-eddy-method for generating inflow conditions for large-eddy simulations[J]. International Journal of Heat and Fluid Flow, 27, 585-593(2006).

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Yue WANG, Xuanming LIU, Fengchen LI, Hongna ZHANG, Shuqi MENG, Xin WANG, Yulong MAO, Qian LI, Weihua CAI. Numerical simulation of thermal stratification characteristics in the upper plenum chamber of lead-based fast reactors[J]. NUCLEAR TECHNIQUES, 2025, 48(7): 070019

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Paper Information

Category: Special Issue on The First Academic Annual Conference of the Research Reactor and Innovative Reactor Association of Chinese Nuclear Society and Advanced Nuclear Power System Reactor Engineering

Received: Dec. 24, 2024

Accepted: --

Published Online: Sep. 15, 2025

The Author Email: Weihua CAI (CAIWeihua)

DOI:10.11889/j.0253-3219.2025.hjs.48.240536

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