Type of Publication
Year of Publication
A. Kotchouko

Deflagration and Explosion

Industrial Accident Initial Conditions:

  • Various H2-air mixture compositions (4% - 75%)
  • Various geometry environment
    • Open geometry (external explosions): outside buildings, little influence of partial confinement and obstacles (in containment such as dome area)
    • Partially confined: limitation in space, geometrical limitations (semi-open configurations; near wall, roof; etc)
    • Confined explosions (internal explosions) inside rooms, compartments, pipes, etc
  • Various congestion
    • High: high space blockage by pipework, cabling, repeating obstacles, etc
    • Medium: intermediate level of  space obstruction
    • Low: open space with little blockage of the flame propagation path
  • Ignition source
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