A high explosive violent reaction (HEVR) includes reactions ranging from a fast deflagration of the high explosive (HE), up to and including a detonation of the high explosive. The explosive wave may be subsonic or supersonic. [1]
In the mid-1990s, scientists and engineers working at the United States Department of Energy's National Security Laboratories began applying Probabilistic Risk Assessment methodologies to understand and enhance nuclear-weapon-safety over a life cycle. [2] Probabilistic Risk Assessment (PRA) generally address three basic questions:
Addressing questions two and three required weapon-scientists and engineers to develop methods and terminologies to estimate and describe warhead-response to abnormal environments (e.g., identified initiating events) with a focus on the potential for release or dispersal of special nuclear material (SNM). Nuclear yield from abnormal environments was not part of the PRA focus because all of the United States' nuclear weapons are required to adhere to strict one-point-safety standards. [3] To describe PRA warhead-response possibilities, weaponeers categorized SNM dispersal outcomes into three possible categories:
Since the advent of applying PRA methodologies to nuclear-weapon safety in the mid-1990s, the term HEVR has gained wide usage among scientists and engineers working in the fields of explosive science, safety, and surety. [4] [5] [6] [7]
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A high explosive violent reaction (HEVR) includes reactions ranging from a fast deflagration of the high explosive (HE), up to and including a detonation of the high explosive. The explosive wave may be subsonic or supersonic. [1]
In the mid-1990s, scientists and engineers working at the United States Department of Energy's National Security Laboratories began applying Probabilistic Risk Assessment methodologies to understand and enhance nuclear-weapon-safety over a life cycle. [2] Probabilistic Risk Assessment (PRA) generally address three basic questions:
Addressing questions two and three required weapon-scientists and engineers to develop methods and terminologies to estimate and describe warhead-response to abnormal environments (e.g., identified initiating events) with a focus on the potential for release or dispersal of special nuclear material (SNM). Nuclear yield from abnormal environments was not part of the PRA focus because all of the United States' nuclear weapons are required to adhere to strict one-point-safety standards. [3] To describe PRA warhead-response possibilities, weaponeers categorized SNM dispersal outcomes into three possible categories:
Since the advent of applying PRA methodologies to nuclear-weapon safety in the mid-1990s, the term HEVR has gained wide usage among scientists and engineers working in the fields of explosive science, safety, and surety. [4] [5] [6] [7]
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