Ion Current Prediction Model Considering Columnar Recombination in Alpha Radioactivity Measurement Using Ionized Air Transportation
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概要
- 論文の詳細を見る
We present a reinforced ion current prediction model in alpha radioactivity measurement using ionized air transportation. Although our previous model explained the qualitative trend of the measured ion current values, the absolute values of the theoretical curves were about two times as large as the measured values. In order to accurately predict the measured values, we reinforced our model by considering columnar recombination and turbulent diffusion, which affects columnar recombination. Our new model explained the considerable ion loss in the early stage of ion diffusion and narrowed the gap between the theoretical and measured values. The model also predicted suppression of ion loss due to columnar recombination by spraying a high-speed air flow near a contaminated surface. This suppression was experimentally investigated and confirmed. In conclusion, we quantitatively clarified the theoretical relation between alpha radioactivity and ion current in laminar flow and turbulent pipe flow.
- 社団法人 日本原子力学会の論文
- 2007-02-25
著者
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内藤 晋
Power And Industrial Systems Research And Development Center Toshiba Corporation
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NAITO Susumu
Power and Industrial Systems Research and Development Center, Toshiba Corporation
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HIRATA Yosuke
Power and Industrial Systems Research and Development Center, Toshiba Corporation
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IZUMI Mikio
Power and Industrial Systems Research and Development Center, Toshiba Corporation
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SANO Akira
Power and Industrial Systems Research and Development Center, Toshiba Corporation
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MIYAMOTO Yasuaki
Tokai Research and Development Center, Japan Atomic Energy Agency
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AOYAMA Yoshio
Tokai Research and Development Center, Japan Atomic Energy Agency
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YAMAGUCHI Hiromi
Tokai Research and Development Center, Japan Atomic Energy Agency
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Hirata Yosuke
Power & Industrial Systems R & D Center Toshiba Corp.
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Izumi Mikio
Power And Industrial Systems Research And Development Center Toshiba Corporation
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Hirata Yosuke
Power And Industrial Systems Research And Development Center Toshiba Corporation
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Aoyama Yoshio
Tokai Research And Development Center Japan Atomic Energy Agency
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Miyamoto Yasuaki
Tokai Research And Development Center Japan Atomic Energy Agency
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Yamaguchi Hiromi
Tokai Research And Development Center Japan Atomic Energy Agency
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Sano Akira
Power And Industrial Systems Research And Development Center Toshiba Corporation
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Izumi Mikio
Power And Industrial Systems Res. And Dev. Center Toshiba Corp.
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SANO Akira
Power and Industrial Systems R&D Center, Toshiba Corporation
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