Reflood Investigation of Model Fuel Assemblies of Light-Water Reactors for a Loss-of-Coolant Accident

被引：1

作者：

Bazyuk, S. S. ^{[1
,2
]}

Parshin, N. Ya. ^{[1
,2
]}

Popov, E. B. ^{[1
,2
]}

Kuzma-Kichta, Yu. A. ^{[3
]}

机构：

[1] Luch Res Inst, Podolsk, Moscow Oblast, Russia

[2] Sci Ind Assoc NII NPO Luch, Podolsk, Moscow Oblast, Russia

[3] Natl Res Univ, Moscow Power Engn Inst MEI, Moscow, Russia

来源：

ATOMIC ENERGY | 2014年 / 116卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

Fuels - Loss of coolant accidents - Pressurized water reactors - Heat flux;

D O I：

10.1007/s10512-014-9863-7

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The results of a reflood investigation of model VVER and PWR fuel assemblies for maximum design-basis and beyond design-basis accidents performed on the RBHT, SVD, and PARAMETR stands are presented. The variation ranges of the regime parameters are: initial temperature of fuel element 460-600A degrees C; mass velocity of water 47-160 kg/(m(2)center dot sec), underheating at the entry into the model fuel assembly 11-108A degrees C; pressure 0.14-0.42 MPa; and, linear heat flux density simulating the residual heat release 0-2.3 kW/m. A colligating relation describing the experimental data to within 30% is obtained for the wetting front of model fuel assemblies, which makes it possible to calculate the cool-down time of model fuel assemblies with different designs and evaluate the reflooding time of VVER and PWR.

引用

页码：343 / 349

页数：7