An investigation of an ignition of flammable gaseous mixtures with mechanical sparks

This article describes a method for testing the safety of construction materials with respect to mechanical sparks (spark safety). This method was tested on examples of various materials and flammable gases. Hydrogen, acetylene, petrol, methane and LPG were used as the flammable gases. Various types...

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Bibliographic Details
Published in:Fire safety journal 2015-11, Vol.78, p.122-129
Main Authors: Shebeko, A.Yu, Shebeko, Yu.N., Zuban, A.V., Golov, N.V.
Format: Article
Language:English
Subjects:
Aluminum
Aluminum base alloys
Construction materials
Criteria
Fire protection
Flammable gaseous mixtures
Flammable gases
Hydrogen
Mechanical sparks
Safety
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Summary:This article describes a method for testing the safety of construction materials with respect to mechanical sparks (spark safety). This method was tested on examples of various materials and flammable gases. Hydrogen, acetylene, petrol, methane and LPG were used as the flammable gases. Various types of steel, aluminium, and copper and aluminium alloys were used as the construction materials. On the basis of the experiment a criterion for spark safety was proposed. •A new method for testing of mechanical spark hazards of materials was proposed.•Various gases (hydrogen, acetylene, LPG, methane, etc.) and materials were tested.•A probability of an ignition was determined.•A criterion of spark safe materials was proposed.
ISSN:0379-7112
DOI:10.1016/j.firesaf.2015.08.010