Articles by S.P. Udayakuamr

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Welds on Reactor Pressure Vessel
S.P. Udayakuamr, Ph.D. – TRANSCEND Media Service, 9 Jul 2012

Regarding the welds on Reactor Pressure Vessel being erected at the Koodankulam Nuclear Power Project, the Bulletin of the Atomic Energy Regulatory Board records that “The original design of RPV did not contemplate welds in the core region. However, the vessel now used has two welds in the core region. The effect of lifetime neutron fluence on these welds was evaluated and found to be acceptable.” Could you please let me know who decided to change the RPV at KKNPP, when it was decided to change it, how was the decision made, and a copy of the evaluation report…

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