Abstract
The article reveals an algorithm of calculating the heat loads which emerge during fireball-involving accidents. By way of illustration it considers a situation when a heavy aircraft crashes in the vicinity of a typical reactor building of a nuclear power plant. The given algorithm provides a quite detailed and accurate calculation of maximum heat load values that accompany the accident.
Highlights
When considering safety issues at nuclear power plants (NPP), it is required to determine a potential threat that an aircraft crash in the vicinity of the plant might impose
Let’s look at the physical processes which occur in case of an aircraft crash and which entail a generation of a fireball
The given figure suggests that the maximum heat radiation intensity from a fireball does not exceed 95kW/m2
Summary
When considering safety issues at nuclear power plants (NPP), it is required to determine a potential threat that an aircraft crash in the vicinity of the plant might impose. In this respect, there normally assumed the most conservative accident scenarios. When dealing with a scenario involving an aircraft crash in the vicinity of an NPP, in most cases a wide-body airplane like Boeing-747 is considered. It appears somewhat problematic to nominally apply governing documents regulating calculation of fireball parameters to this very accidental situation, the present article brings in the basic principles and some research findings aiming to solve the problem. A Boeing-747 will be considered as a potentially hazardous source
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