Thermal hydraulic studies of spallation target for one-way coupled indian accelerator driven systems with low energy proton beam |
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Authors: | V Mantha A K Mohanty P Satyamurthy |
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Institution: | (1) Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India;(2) Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai, 400 085, India |
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Abstract: | BARC has recently proposed a one-way coupled ADS reactor. This reactor requires typically ∼1 GeV proton beam with 2 mA of
current. Approximately 8 kW of heat is deposited in the window of the target. Circulating liquid metal target (lead/lead-bismuth-eutectic)
has to extract this heat and this is a critical R&D problem to be solved. At present there are very few accelerators, which
can give few mA and high-energy proton beam. However, accelerators with low energy and hundreds of micro-ampere current are
commercially available. In view of this, it is proposed in this paper to simulate beam window heating of ∼8 kW in the target
with low-energy proton beam. Detailed thermal analysis in the spallation and window region has been carried out to study the
capability of heat extraction by circulating LBE for a typical target loop with a proton beam of 30 MeV energy and current
of 0.267 mA. The heat deposition study is carried out using FLUKA code and flow analysis by CFD code. The detailed analysis
of this work is presented in this paper.
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Keywords: | Accelerator driven systems (ADS) lead-bismuth-eutectic (LBE) neutron spallation target FLUKA CFD window |
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