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Citation: HUANG Jun, REN Qing-Bo, XU Gang, LIU Xun, MENG Da-Qiao. Numerical Optimization of Redistribution of Solute in Plutonium Metal during Zone Refining[J]. Acta Physico-Chimica Sinica, ;2015, 31(S1): 69-74. doi: 10.3866/PKU.WHXB2014Ac09 shu

Numerical Optimization of Redistribution of Solute in Plutonium Metal during Zone Refining

HUANG Jun ^1,2 ,
REN Qing-Bo ¹ ,
XU Gang ¹ ,
LIU Xun ¹ ,
MENG Da-Qiao ^1,,

1.
1 Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan Province, P. R. China;
2.
2 Institute of Engineering Physics, Tsinghua University, Beijing 100084, P. R. China

Corresponding author: MENG Da-Qiao,

Based on the redistribution model of solutes for multi-zone refining, zone lengths were optimized to minimize the content of solute in the middle of the sample using a genetic algorithm from biological evolutionary theory. The redistribution of solute in the sample during multi-zone refining was computed with the optimized zone length and a constant zone length. The calculation results showed that the efficiency of zone refining with the optimized zone length was significantly better than that with the constant zone length. A low impurity concentration in the 80% part of the middle sample can be achieved after 15 passes of zone refining using the optimized zone lengths.
- Redistribution model of solute,
- Genetic algorithm,
- Optimization,
- Molten zone length,
- Redistribution of solute
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