Characteristics of chloride deposits in a nuclear spent fuel dry storage system

Chi Ming Lai, Ting Yi Wang, Heui Yung Chang

研究成果: Conference contribution

摘要

For a concrete cask dry storage system, the characteristics of chlorides deposited on the surface of the stainless steel canister can significantly affect the susceptibility against stress corrosion cracking (SCC). This paper presents the result of an in-depth investigation into chlorides in the marine atmosphere and the effects on dry storage canisters. Recently, a series of full-scale thermal experiment and computational fluid dynamics (CFD) simulation have been implemented for a dry storage system. The simulated flow temperature and velocity are used to determine the air buoyancy and aerodynamic drag acting. The forces are then used to further predict the movement of chloride particles with the gravity force. The flow velocity is finally related to the critical size of a chloride particle leaving the system. The result obtained agrees well with those of field measurement and canister inspection. In brief, chlorides in the marine atmosphere may deposit on the canister surface, but the deposition rate is small.

原文English
主出版物標題PBNC 2018 - Pacific Basin Nuclear Conference
發行者American Nuclear Society
頁面334-338
頁數5
ISBN(電子)9780894487743
出版狀態Published - 2019
事件2018 Pacific Basin Nuclear Conference, PBNC 2018 - San Francisco, United States
持續時間: 2018 九月 302018 十月 4

出版系列

名字PBNC 2018 - Pacific Basin Nuclear Conference

Conference

Conference2018 Pacific Basin Nuclear Conference, PBNC 2018
國家/地區United States
城市San Francisco
期間18-09-3018-10-04

All Science Journal Classification (ASJC) codes

  • 核能與工程

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