CHF on Anodized Zirconium-based Alloy Surfaces with Protective Oxide Layers for ATF cladding

被引：6
|
作者：
Kam, Dong Hoon [1 ,2 ]
Yu, Hyoung Suk [2 ]
Jeong, Yong Hoon [2 ]
Park, Yang Jeong [2 ]
Kim, Jung Woo [2 ]
Cho, Sung Oh [2 ]
机构：
[1] Korea Atom Energy Res Inst KAERI, 989-111 Daedeokdaero, Daejeon 34057, South Korea
[2] Korea Adv Inst Sci & Technol KAIST, Dept Nucl & Quantum Engn, 291 Daehak Ro, Daejeon 305701, South Korea
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2021年 / 170卷
关键词：
D O I：
10.1016/j.ijheatmasstransfer.2021.120936
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An anodization method is considered for the accident-tolerant fuel cladding in nuclear power plants. A new approach is used to form stable/intact nanostructures on the conventional Zr-based cladding surface to protect the surface against active oxidation under high-temperature steam conditions. CHF experiments have been performed to consider the anodizing time, boric acid concentration and irradiation effects. After certain periods, the CHF values become saturated, and the boric acid-added coolant shows noticeable effects on the non-anodized surface. The irradiated surfaces become hydrophobic but still showed better CHF results than the non-anodized surfaces. (C) 2021 Published by Elsevier Ltd.
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页数：11
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