钍基先进坎杜堆子通道分析

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Subchannel Analysis for Thorium-Based Advanced CANDU Reactor

1. Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
2. Nave Institute of Submarine, Qingdao, Shandong, 266071, China

摘要: 利用子通道计算程序ASSERT-PV V3R1计算TACR1000在不同钍装填模式、不同功率、不同寿期下的子通道热工水力学特性。根据对子通道质量流密度、空泡份额和干涸起始功率方面的计算,从功率展平及安全性的角度考虑,钍铀粉末交混装填模式明显好于内8根棒为钍的装填模式。
- 子通道分析 /
- 钍基核能系统 /
- 坎杜型重水堆
Abstract: This paper presents the subchannel thermal hydraulic analysis in different thorium loading modes,different power and different lifetime using ASSERT-PVV3R1,a subchannel computer code developed by AECL,to determine the best loading mode from the point of view of subchannel thermal hydraulics.According to the results for subchannel the mass flux,void fracition and outset of dry power,a best loading mode is established from the point of view of being calm and security to power,i.e.,the loading mode of ThO₂ and SEU mixing in pellets is obviously better than the loading mode in which the only ThO₂ is loaded in the internal eight rods.
- Subchannel analysis /
- Thorium-based Nuclear Power System /
- CANDU Reactor