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- Material Type
- 規格・テクニカルリポート類
- Author/Editor
- 斎藤 義則糸岡 聡池崎 利弘床井 博晃岡部 綾夫
- Publication Date
- 1997-03
- Publication Date (W3CDTF)
- 1997
- Alternative Title
- Development of basic code for sodium-water reaction jet
- Periodical title
- PNC TJ9124 97-007
- Target Audience
- 一般
- Note (General)
- 出版タイプ： NA次期大型炉蒸気発生器(SG)伝熱管の合理的設計基準水リーク率(DBL)の選定にあたって、高温ラプチャによる破損伝播の可能性を定量的に評価する必要がある。高温ラプチャを含む破損伝播挙動を適切に評価するためには、a)ブローダウン解析モデル、b)高温ラプチャモデル(構造/破壊力学的モデル)、c)反応領域温度分布解析のためのナトリウム-水反応ジェットモデルの開発が不可欠である。本報では、これら全体開発計画の中の、ナトリウム-水反応ジェット解析のための基本となる解析コードを開発した。解析に必要となる化学反応モデルと二相流(二流体)モデルを構築し、さらにこれらのモデルをカップリングさせた反応ジェット解析用の基本コードを開発して、各モデルの妥当性を試計算により確認した。開発コードは、ナトリウム-水反応を伴う二相流噴流の流動解析評価への適用が可能であるとの見通しを得た。In selecting the reasonable DBL on steam generator, it is indicated that the possibility of failure propagation due to overheating should be evaluated. This study is concerned with the design development of sodium-water reaction jet code for the LEAP in the overall development plan for the next models to evaluate the reasonable DBL; (a)blow down analysis models, (b)overheating tube bursting models (structural/ fractural dynamics) and (c)sodium-water reaction jet model for reaction zone temperature distribution analysis. In this study, basic code for sodium-water reaction jet were designed \& developed with considering analytical models; two-fluid model and chemical reaction model. Reasonable results were obtained with test analyses for the two models. Basic code coupled with the models were developed. Test analyses with the code were carried out. This codes are considered to be useful for two-phase flow analysis with chemical reaction and, therefore, are most available for estimation of flow behavior on sodium-water reaction jet.
- Source
- /PNC-TJ9124-97-007.pdf （fulltext）