Neutron flux spectra investigations in breeding blanket assembly containing lithium titanate and Lead irradiated with DT neutrons
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- 作者：Shrichand Jakhara ; shrichand.s@gmail.com" class="auth_mail" title="E-mail the corresponding author ; S. Tiwaria ; M. Abhangia ; V. Chaudharia ; R. Makwanaa ; C.V.S. Raoa ; T.K. Basua ; D. Mandalb
- 关键词：Multiple foil activation ; Neutron spectrum unfolding ; SAND-II ; FENDL-2.1 ; FENDL-3.0 ; FISPACT-2007 ; Breeding blanket
- 刊名：Fusion Engineering and Design
- 出版年：2015
- 出版时间：November 2015
- 年：2015
- 卷：100
- 期：Complete
- 页码：619-628
- 全文大小：2657 K
文摘
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A benchmark experiment on LLCB TBM design was performed.
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Nuclear responses measured are spectral indices of neutron induced reactions and neutron spectra unfolding with SAND-II-SNL code.
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Measured reaction rates in different activation foils were compared with MCNP-IRDFF-1.05 and FISPACT-EAF2007 calculated values.
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Calculated Lead multiplication is improved from FENDL-2.1 to FENDL-3.0 up to 2%.
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Unfolded neutron spectra in the multiplier zones are slightly underestimated by calculations in the secondary neutron emission range of Pb(n, xn) reactions indicating the need of improvement in the (n, 2n) cross-section of Lead isotopes.