喷雾冷却条件下乏燃料棒热水力分析规范的初步制定

Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation Pub Date : 2020-08-04 DOI:10.1115/icone2020-16798

Guo Chao, Deng Jian, Cai Rong, Ma Yugao, L. Lili, Zhang Yu-hao, Lv Siyu

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引用次数: 0

摘要

根据乏燃料池冷却系统失效时的喷雾冷却特性，建立了单个乏燃料棒喷雾冷却分析模型，开发了用于计算喷雾冷却条件下乏燃料棒上膜的热水力特性的代码SFSC。本文给出了SFSC在不同乏燃料棒高度下的膜厚度、膜温度、膜蒸发、乏燃料棒燃料球团温度和乏燃料棒包壳温度的计算结果。同时，我们用RELAP建立了相同的模型，并将RELAP计算结果与SFSC计算结果进行了比较。两种结果吻合较好，表明该方法是有效的。SFSC填补了喷雾冷却条件下乏燃料棒热水力计算的空白。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Preliminary Development on Thermal-Hydraulic Analysis Code for the Spent Fuel Rod Under the Condition of Spray Cooling

According to spray cooling characteristics for failure of the cooling system in the spent fuel pool, we establish a model for analyzing spray cooling of a single spent fuel rod and develop a code named SFSC which is used to calculate the thermal-hydraulic characteristics of film on the spent fuel rod under the condition of spray cooling. The results obtained from SFSC consist of film thickness, film temperature, film evaporation, fuel pellet temperature of spent fuel rod and cladding temperature of spent fuel rod at different height of spent fuel rod are shown in this paper. At the same time, we establish same model by RELAP and compare results calculated by RELAP with that calculated by SFSC. The good agreement of two results demonstrates that SFSC is effective. SFSC fills in the blanks of thermal-hydraulic calculation for the spent fuel rod under the condition of spray cooling.

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来源期刊

Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation

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