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A platform for research: civil engineering, architecture and urbanism
Effects of N2/CO2 on explosion characteristics of methane and air mixture
An experimental apparatus for the methane and air mixture explosion with N2/CO2 in a closed vessel was set up. A series of experiments have been performed to analyze the effects of N2/CO2 on explosion strength, limiting oxygen concentration, flammability limits and explosion suppression. Results show that explosion strength decreases with the volume fraction of N2/CO2 in the mixture. Limiting oxygen concentration decreases linearly with the volume fraction of N2 in N2/CO2 mixture. The flammability limits change linearly with the volume fraction of N2/CO2 in the mixture. The higher the volume fraction of CO2 in N2/CO2 mixture, the better the explosion suppression effect is. Based on experimental data, fitted equations and diagrams are made to predict methane flammability limits with N2/CO2 under different volume fraction ratio of N2 and CO2. The research results can be used as a reference for the inerting treatment design of methane explosion protection in process industries.
Effects of N2/CO2 on explosion characteristics of methane and air mixture
An experimental apparatus for the methane and air mixture explosion with N2/CO2 in a closed vessel was set up. A series of experiments have been performed to analyze the effects of N2/CO2 on explosion strength, limiting oxygen concentration, flammability limits and explosion suppression. Results show that explosion strength decreases with the volume fraction of N2/CO2 in the mixture. Limiting oxygen concentration decreases linearly with the volume fraction of N2 in N2/CO2 mixture. The flammability limits change linearly with the volume fraction of N2/CO2 in the mixture. The higher the volume fraction of CO2 in N2/CO2 mixture, the better the explosion suppression effect is. Based on experimental data, fitted equations and diagrams are made to predict methane flammability limits with N2/CO2 under different volume fraction ratio of N2 and CO2. The research results can be used as a reference for the inerting treatment design of methane explosion protection in process industries.
Effects of N2/CO2 on explosion characteristics of methane and air mixture
Wang, Z.R. (author) / Ni, L. (author) / Liu, X. (author) / Jiang, J.C. (author) / Wang, R. (author)
Journal of Loss Prevention in the Process Industries ; 31 ; 10-15
2014
6 Seiten, 16 Quellen
Article (Journal)
English
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