| OCR Text |
Show EXPERIMENTAL RESULTS Results of the flame mode combustion of CH CI are presented in Figure 2. Several terms and conditions will be briefly defined before a discussion of the results is presented. The data shown in Figure 2 was obtained at near atmospheric conditions (750 Torr). The flame conditions corresponded to a fuel/air equivalence rato (<J>) of 1.0 ±0.05. The molar ratio of CH CI to CH (the R value) was 1.0 ±0.05. The stoichiometric equation for a CH,/CH_C1 /air system with R = 1.0 is given by: CH4 + CH2C12 + 30 + 11.28 N -»• 2C0 + 2HC1 + 2H 0 + 11.28 N More details of these terms and stoichiometric calculations have been provided elsewhere [4, 6, 7, 11]. Nitrogen was treated as a non-reactive tracer during the experiment and hence all data presented in Figure 2 was normalized with respect to measured N9 concentrations at each sample location. True mole fractions may be obtained by multiplying the normalized mole fraction by the corresponding N9 mole fraction. Note in Figure 2, the N9 data represents actual mole fraction, not normalized mole fraction. Approximately 99.5 percent of the cold samples were accounted for using present GC techniques while hot samples were accounted for to within 90 percent. The deviation in hot samples is in part due to the lack of quantification of HC1, Cl9 and H90 using current GC techniques. Carbon closure throughout the flame zone was within 12 percent with no specific trends exhibited. All solid lines shown in Figure 2 have been included to enhance visualization and do not represent a best fit. 5.3.12 |
