Status and Existing Problems of Critical Heat Flux Lookup Table
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摘要: CHF查询表(LUT)已广泛用于核反应堆热工水力及安全分析程序中。从2005和1995版LUT的区别可以发现,2005 LUT主要对网格、过冷沸腾区进行预测;并对极限含汽量区(LQR)的预测和光滑函数的选取进行了改进,得到了更高的预测精度和更完善的参数趋势预测。最后分析了LUT需要进一步解决的问题。主要如下:低流速区的预测;直径对CHF的影响;接近临界压力点区域的预测。Abstract: CHF Look Up Table(LUT) has been widely applied in codes of nuclear reactor ther-further in 2005 LUT are discussed:prediction in low flow region;effect of diameter on CHF;prediction of CHF at near the critical pressure.
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Key words:
- Critical Heat Flux /
- Look up Table /
- Limiting quality region
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