Physical studies of minor actinide transmutation in the accelerator-driven subcritical system

2019 ◽  
Vol 30 (6) ◽  
Author(s):  
Hai-Yan Meng ◽  
Yong-Wei Yang ◽  
Ze-Long Zhao ◽  
Qing-Yu Gao ◽  
Yu-Cui Gao
2004 ◽  
Vol 23 (2) ◽  
pp. 121-135 ◽  
Author(s):  
Hüseyin Yapııcıı ◽  
Gamze Genç ◽  
Nesrin Demir ◽  
Bilge Çeper

Author(s):  
Wenxin Zhang ◽  
Haoyang Yu ◽  
Bin Liu ◽  
Jin Cai ◽  
Shuangshuang Cui

Minor actinides in the spent fuel have strong radiotoxicity and very long half-life, the the properly dispose of spent fuel is indispensible to the development of nucler energy. Generally,we dispose the spent fuel by geological burying. But it can not compeletly solve the problem. Neutron transmutation is the only way to shorten the half-life of radioactive nuclides, under the irradiation of neutron MA nuclide will capture neutron or fission, and translate into the short lived nuclide or something valued nuclide. Reactivity temperature coefficient is an improtant safety parameter in nuclear reactor physics.In the reactor design, for the safely operation of reactor, reactivity temperature coefficient must be be negative. The introduction of MA in the PWR must have interference to the temperature coefficient. This paper mainly studied the influence of PWR transmutation minor actinide on the temperature coefficient.


2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Bruno Merk

The use of fine distributed moderating material to enhance the feedback effects and to reduce the sodium void effecting SFRs is described. The drawback on the feedback effects due to the introduction of minor actinides into SFR fuel is analyzed. The possibility of compensation of the effect of the minor actinides on the feedback effects by the use of fine distributed moderating material is demonstrated. The consequences of the introduction of fine distributed moderating material into fuel assemblies with fuel configurations foreseen for minor actinide transmutation are analyzed, and the positive effects on the transmutation efficiency are shown. Finally, the possible increase of the Americium content to improve the transmutation efficiency is discussed, the limit value of Americium is determined, and the possibilities given by an increase of the hydrogen content are analyzed.


2012 ◽  
Vol 180 (2) ◽  
pp. 264-296 ◽  
Author(s):  
Jean-François Pignatel ◽  
Pierre Richard ◽  
Gerald Rimpault ◽  
Julian Murgatroyd ◽  
Richard Stainsby ◽  
...  

2012 ◽  
Vol 180 (2) ◽  
pp. 241-263 ◽  
Author(s):  
L. Mansani ◽  
C. Artioli ◽  
M. Schikorr ◽  
G. Rimpault ◽  
C. Angulo ◽  
...  

Author(s):  
Nozomu FUJIMOTO ◽  
Kiyonobu YAMASHITA ◽  
Kazumi TOKUHARA

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