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2018年国际爆炸物安全研讨会暨博览会 HD 1.3 事件的现实评估(论文)

ID：37795

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大小：1.23 MB

页数：17页

时间：2023-03-05

金币：10

上传者：战必胜
1
Realistic Assessment of Hazard Division 1.3 Events
Authors:
Maurice “Chip” Muser IV, MSc; Nammo Raufoss AS; Raufoss, Norway
Hans Øiom, Senior Engineer; Norwegian Defense Material Agency/Ammunition Safety; Raufoss, Norway
Keywords:
Hazard Division 1.3, Quantity distance, Heat flux, Explosive site plan, Energetic materials
Abstract:
Risk assessment of accidental explosive events based upon the quantity and hazard division (HD) of the energetic material
involved in the event is the default method for addressing explosives safety risks. Different HDs undergo different types of
reactions and therefore should be evaluated using different methods.
Calculating quantity distances (QD) between potential explosion sites and exposed sites using cube root scaling based upon the
total mass of explosives is conducted to develop QD tables. While this approach is effective for relatively large HD 1.1 events
due to the detonation characteristics of such materials, the total mass of HD 1.3 materials do not correlate well to the primary
hazard for HD 1.3: heat flux resulting from mass fire. Energy density of a substance has a significant impact upon the heat flux
from a given event as does the distance from the event and exposure time.
Safety distances based on engineering analysis for individual scenarios may result in a more realistic risk assessment than
relying upon QD tables alone.
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