التفاصيل البيبلوغرافية
| العنوان: |
A study of 239Pu production rate in a water cooled natural uranium blanket mock-up of a fusion–fission hybrid reactor. |
| المؤلفون: |
Song Feng, Rong Liu, Xinxin Lu, Yiwei Yang, Kun Xu, Mei Wang, Tonghua Zhu, Li Jiang, Jianguo Qin, Jieqiong Jiang, Zijie Han, Caifeng Lai, Zhongwei Wen |
| المصدر: |
Nuclear Fusion; Mar2016, Vol. 56 Issue 3, p1-1, 1p |
| مصطلحات موضوعية: |
WATER cooled reactors, PLUTONIUM isotopes, UNCERTAINTY (Information theory), NUCLEAR fusion, FISSION counters |
| مستخلص: |
The 239Pu production rate is important data in neutronics design for a natural uranium blanket of a fusion–fission hybrid reactor, and the accuracy and reliability should be validated by integral experiments. The distribution of 239Pu production rates in a subcritical natural uranium blanket mock-up was obtained for the first time with a D-T neutron generator by using an activation technique. Natural uranium foils were placed in different spatial locations of the mock-up, the counts of 277.6 keV γ-rays emitted from 239Np generated by 238U capture reaction were measured by an HPGe γ spectrometer, and the self-absorption of natural uranium foils was corrected. The experiment was analyzed using the Super Monte Carlo neutron transport code SuperMC2.0 with recent nuclear data of 238U from the ENDF/B-VII.0, ENDF/B-VII.1, JENDL-4.0u2, JEFF-3.2 and CENDL-3.1 libraries. Calculation results with the JEFF-3.2 library agree with the experimental ones best, and they agree within the experimental uncertainty in general with the average ratios of calculation results to experimental results (C/E) in the range of 0.93 to 1.01. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
