Carbon dioxide dilution effect on flammability limits for hydrocarbons

Nitrogen dilution effect on the flammability limits for hydrocarbons

“…In our earlier work [13], it has been shown that if carbon dioxide is served as the inert gas, both Eq. (34) for UFL and Eq.…”

“…Recently, theoretical models to predict both UFL and LFL of a hydrocarbon diluted with carbon dioxide were proposed by Chen et al [13]. It was found in their work that there are linear relations between the reciprocals of the upper/lower flammability limits and the reciprocal of the molar fraction of the hydrocarbon in the hydrocarbon/carbon dioxide mixture (free from air); and experimental data of methane, propane, ethylene and propylene showed that the coefficient of determination (R 2 ) of the theoretical lines for UFL/LFL are all larger than 0.980/0.967 for these four cases.…”

Flame temperature theory-based model for evaluation of the flammable zones of hydrocarbon-air-CO2 mixtures

“…Kondo et al [9] modified the Le Chatelier equation in attempt to predict the flammability limits of such a mixture. Chen et al [10,11] proposed linear models to forecast the UFL and LFL of mixtures composed of hydrocarbon and carbon dioxide or nitrogen. However, these linear models and modified Le Chatelier equations are highly dependent upon the experimental results so that the predicted values may be inaccurate for compounds have not been tested.…”

Explosion characteristics of flammable organic vapors in nitrous oxide atmosphere

“…H= −82.1 kJ/mol (1) Many studies on explosion characteristics of flammable gases and vapors blended with air or O 2 have been reported [9][10][11][12][13][14][15][16][17][18][19][20]. Few systematic studies, however, have been reported on the explosion characteristics of the flammable gases with N 2 O [21][22][23].…”