期刊
NUCLEAR ENGINEERING AND DESIGN
卷 318, 期 -, 页码 147-162出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.nucengdes.2017.04.012
关键词
Fireball; Plane crash; Physical separation; Fuel pooling; Nuclear power plant
资金
- State Nuclear Waste Management Fund (VYR) within Finnish National Research Programme on Nuclear Safety (SAFIR)
In this paper, we present a methodology for predicting the spreading and combustion of liquid fuel released from an aircraft impact. Calculations were done with Fire Dynamics Simulator, and the aircraft impact was modeled as a spray boundary condition. The spray boundary condition was developed and validated by experiments using water-filled missiles. The predicted liquid front speeds were compared with water spray front propagation data, and the predicted lifetimes and diameters of fireballs were compared with experimental correlations. A full-scale simulation of the aircraft impact on a nuclear island was performed. The simulation results were used to assess the adequacy of physical separation in the case of aircraft impact. We concluded that 10%-20% of the fuel involved in the crash will accumulate in pools around the building. (C) 2017 Elsevier B.V. All rights reserved.
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