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Volume 25 Issue 2
Apr.  2004
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SHI Yong-qian, ZHU Qing-fu, HU Ding-sheng, HE Tao, YAO Shi-gui, LIN Sheng-huo. Some Problems of Neutron Source Multiplication Methodfor Site Measurement Technology in Nuclear Critical Safety[J]. Nuclear Power Engineering, 2004, 25(2): 101-105.
Citation: SHI Yong-qian, ZHU Qing-fu, HU Ding-sheng, HE Tao, YAO Shi-gui, LIN Sheng-huo. Some Problems of Neutron Source Multiplication Methodfor Site Measurement Technology in Nuclear Critical Safety[J]. Nuclear Power Engineering, 2004, 25(2): 101-105.

Some Problems of Neutron Source Multiplication Methodfor Site Measurement Technology in Nuclear Critical Safety

  • Received Date: 2002-11-08
  • Rev Recd Date: 2003-04-17
  • Available Online: 2025-07-29
  • Publish Date: 2004-04-15
  • The paper gives experiment theory and experiment method of neutron source multiplication method for site measurement technology in the nuclear critical safety. The measured parameter by source multiplication method actually is a sub-critical with source neutron effective multiplication factor ks,but not the neutron effective multiplication factor keff. The experiment research has been done on the uranium solution nuclear critical safety experiment assembly. The ks of different sub-criticality is measured by neutron source multiplication experiment method, and keff of different sub-criticality, the reactivity coefficient of unit solution level, is first measured by period method, and then multiplied by difference of critical solution level and sub-critical solution level and obtained the reactivity of sub-critical solution level. The keff finally can be extracted from reactivity formula. The effect on the nuclear critical safety and different between keff and ks are discussed.

     

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