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JAEA-Research-2021-0 05.pdf:2.91MB

JAEA-Research-2021-005.pdf

🔗 Source: jopss.jaea.go.jp

📊 Size: 2.91 MB

📄 Pages: 34 pages

⬇️ Downloads: 132

Summary

An accident of evaporation to dryness by boiling of high level liquid waste is postulated as one of the severe accidents caused by the loss of cooling function at a fuel reprocessing plant, releasing volatile radioactive materials like ruthenium (Ru) with water and nitric-acid mixed vapor. To resolve the issue of accurate quantitative estimation of released Ru, a correlation equation of Ru mass transfer coefficient across the vapor-liquid surface was obtained from small-scale experiments and implemented in the SCHERN code to simulate chemical behaviors of nitrogen oxide. A simulation study was carried out with a hypothetical typical facility building to demonstrate the feasibility of quantitative estimation of amount of Ru migrating in the facility.

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Description

An accident of evaporation to dryness by boiling of high level liquid waste is postulated as one of the severe accidents caused by the loss of cooling function...

Technical Information

File Format: PDF
File Size: 2.91 MB
Pages: 34
Language: EN
Total Downloads: 132
Last Updated: 6 days ago

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