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Article | REF: SE5061 V1

BLEVE - Effect modeling methods

Author: Anousone CHAMPASSITH

Publication date: October 10, 2014

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3. Assessment of the overpressure effects of a BLEVE

3.1 Phenomena involved

The problem of determining the overpressure effects of a BLEVE covers several different issues.

The overpressure effects of a BLEVE can in fact be generated by three different, non-exclusive phenomena:

  • gas phase expansion ;

  • explosive vaporization of the liquid;

  • combustion of flammable vapors.

Thus, a typical overpressure signal from a BLEVE may be as shown in figure 9 . The relative intensity of the peaks in the figure is not representative.

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Assessment of the overpressure effects of a BLEVE
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