Model for particle behavior in debris bed

Hirotaka Tagami, Songbai Cheng, Yoshiharu Tobita, Koji Morita

研究成果: ジャーナルへの寄稿学術誌査読

14 被引用数 (Scopus)

抄録

In analyzing the safety of core disruptive accidents in Sodium-cooled Fast Reactors (SFRs), it is important to evaluate whether the decay heat of debris bed can be removed. The decay heat removability changes depending on the shape of debris bed, which would be deformed by coolant vapor with time. In the present paper, a new model was developed to analyze debris bed behavior with SIMMER, which is a safety analysis code for SFRs. In the new model, the effects of inter-particle collisions and contacts are modeled as inter-particle interaction. Test simulation results show the roles of physical properties in the new model on the dense particle behavior. Assessment results of proposed model based on model experiments indicate that the new model is capable of describing the transient of the shape of the particle bed in the liquid driven by the gas phase. Considering the fact that the process of leveling behavior in model experiments is common for the debris bed in SFRs, the new model can be employed as an analysis tool for debris bed behavior.

本文言語英語
ページ(範囲)95-106
ページ数12
ジャーナルNuclear Engineering and Design
328
DOI
出版ステータス出版済み - 3月 2018

!!!All Science Journal Classification (ASJC) codes

  • 機械工学
  • 核物理学および高エネルギー物理学
  • 安全性、リスク、信頼性、品質管理
  • 廃棄物管理と処理
  • 材料科学一般
  • 原子力エネルギーおよび原子力工学

フィンガープリント

「Model for particle behavior in debris bed」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル