配管減肉のモニタリングと予測に基づく配管システムのリスク管理 (1)固液混相流条件下における壁面近傍の物質移動係数評価
英字タイトル:
Piping System, Risk Management based on Wall Thinning Monitoring and Prediction ( ) Mass transfer coefficient evaluation near the wall surface under solid-liquid multiphase flow conditions
著者:
中河 良太 阿部 博志 渡邉 豊 （東北大）
発刊日:
公開日:
Carbon steelFuel debris retrieval processFukushima Daiichi Nuclear Power StationMass transfer coefficientSolid-liquid phase flow
Piping System, Risk Management based on Wall Thinning Monitoring and Prediction ( ) Mass transfer coefficient evaluation near the wall surface under solid-liquid multiphase flow conditions
著者:
中河 良太 阿部 博志 渡邉 豊 （東北大）
発刊日:
公開日:
カテゴリ: 第16回
キーワードタグ:Carbon steelFuel debris retrieval processFukushima Daiichi Nuclear Power StationMass transfer coefficientSolid-liquid phase flow
概要
In the Fukushima Daiichi Nuclear Power Station, it is possible that fuel debris dust, scraps of reactor structural materials, etc. will be mixed into the cooling water during future fuel debris retrieval process. In that case, the thinning mechanism of the cooling system piping may be different from that under liquid single-phase flow. In this study, the final goal is to predict the thinning behavior based on the carbon steel pipe thinning mechanism under solid-liquid mixed phase flow. Then, mass transfer coefficient measurement was performed as an index to evaluate the mass flux of the wall.
