Article ID Journal Published Year Pages File Type
1280311 International Journal of Hydrogen Energy 2007 7 Pages PDF
Abstract

A simple approximate method for evaluation of blast effects and safety distances for unconfined hydrogen explosions is presented. The method includes models for flame speeds, hydrogen dispersion, blast parameters, and blast damage criteria. An example of the application of this methodology for hydrogen releases in three hypothetical obstructed areas with different levels of congestion is presented. The severity of the blast effect of unconfined hydrogen explosions is shown to depend strongly on the level of congestion for relatively small releases. Extremely large releases of hydrogen are predicted to be less sensitive to the congestion level.

Related Topics
Physical Sciences and Engineering Chemistry Electrochemistry
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