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Test of a Large-Volume Calorimeter in KEPRI Tritium Laboratory

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4 Author(s)
Kyu-Min Song ; Nucl. Power Lab., Korea Electr. Power Res. Inst., Daejeon, South Korea ; Byung-Wook Ko ; Kei-Woo Lee ; Soon-Hwan Sohn

A tritium assaying and dispensing system has been designed and is being constructed in Korea Electric Power Research Institute, Tritium Laboratory (KEPTL). This facility will be used to supply tritium from Wolsong Tritium Removal Facility to customers for industrial uses, R&D applications, ITER operations, and other purposes. In order to account for the tritium amount loaded in and out of this facility, KEPTL purchased a large-volume calorimeter from Setaram. This calorimeter is integrated in a dedicated room of the KEPTL in 2008, and the site acceptance tests are completed. The KEPTL calorimeter is a twin-cell type, and its measuring range is from 0.01 to 60 g of tritium. The tritium storage beds loaded into the measuring cell of the calorimeter reach a maximum size of 200 mm in diameter and 570 mm in height. A performance test has been successfully completed with a Joule effect cell simulating tritium decay heat. It is demonstrated that the precision of the calorimeter is measured to be less than 0.28% at 50 mW and 0.13% at 10 W. The relative error on real tritium test is measured to be -0.18% on 37 TBq of tritium.

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Plasma Science, IEEE Transactions on  (Volume:38 ,  Issue: 3 )