Articles written in Pramana – Journal of Physics
Volume 92 Issue 2 February 2019 Article ID 0015 Research Article
CHANDAN DANANI DEEPAK AGGARWAL H L SWAMI VINAY MENON RITESH SRIVATSAVA AASHOO SHARMA DEEPTI SHARMA M HIMA BINDU JYOTI AGRAWAL M MANOAH STEPHEN NAVEEN RASTOGI PRAMIT DUTTA SOMESWAR DUTTA UPENDRA PRASAD M WARRIER R SRINIVASAN
Steady State Tokamak-2 (SST-2) will be an intermediate fusion machine before Indian DEMOnstration power reactor (DEMO) development to realise the reactor technologies. It is designed for fusion gain Q = 5 andfusion power in the range of 100–300 MW. Nuclear design analyses of SST-2 machine have been carried out to support the conceptual design work. Analyses have been carried out for two breeding blanket concepts: Indian lead–lithium ceramic breeder (LLCB) and helium-cooled ceramic breeder (HCCB). The analyses assess the tritium production and radiation shielding capability of the machine referring to the engineering design parameters. In this study, one-dimensional radiation transport calculations have been performed to assess the SST-2 nuclear responses for 1 full power year (FPY) operation. Nuclear responses such as tritium breeding ratio (TBR), various radiation loads to toroidal field (TF) coil have been calculated to obtain the radial build-up of SST-2 capable of breeding tritium and satisfying the shielding requirements. The assessment has been made using the ANISEN code andFENDL 2.1 cross-section library. It is observed that the TBRs with LLCB and HCCB blankets are 0.85 and 0.94, respectively. Shielding calculations confirm that the radial build is sufficient to protect the superconducting TF coils for 1 FPY.
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