Effect of flame speed and explosion pressure on flame quenching
performance for in-line crimped-ribbon flame arresters
Abstract
An experimental system consisting of gas mixing equipment, a sensor
detection system, a data acquisition device, and an electric spark
ignition device was set up to investigate the effect of flame speed and
explosion pressure on flame quenching performance of propane, ethylene
and hydrogen/air mixtures in the in-line crimped-ribbon flame arresters.
The results indicated that under the conditions of the same size of
experimental pipe configuration and the same ignition distance but
different pipe lengths, or the same pipe length but different ignition
distances, the flame arrester successfully stopped the flames at high
flame speed and low explosion pressure, but failed at low flame speed
and high explosion pressure. Then the relationship between flameproof
speed and explosion pressure was derived base on the physical model of
heat conduction, which is proved by experiment and provide more accurate
reference for design and selection of crimped-ribbon flame arrester