Chemistry Reference
In-Depth Information
Fig. 8.14
Plots of the isother-
mal rates of high-temperature
decomposition of AP at
T
= 420 (
1
), 410 (
2
), 400
(
3
), 390 (
4
), 380 (
5
), 370
(
6
)
◦
C
min
-1
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.2
0.4
0.6
0.8
Data on the rate constants for “complete” conversion, calculated from the exper-
imental data obtained by linear pyrolysis (see Fig. 3.4), are also plotted in Fig. 8.17.
The linear pyrolysis rate,
U
, is related to the rate constant of the limiting stage of
the volumetric decomposition,
k
lp
,as
Fig. 8.15
Plots of the rate
constant,
k
1
,ofthefirst
(“fast”) stage of the high-
temperature decomposition of
AP against the temperature
based on data obtained in [9]
(
1
); [10] (
2
); and data in this
work (
3
)
1.3
1.5
1.7
1.9
Table 8.2
Rate constants,
k
2
, for the second (“slow”) stage of the high-temperature decomposition
of AP
Temperature,
◦
C
370
380
390
400
410
420
K
2
(s
−
1
)
10
3
×
0
.
80
1
.
18
1
.
66
2
.
40
3
.
45
4
.
78
Reaction order
0
.
49
0
.
51
0
.
53
0
.
52
0
.
51
0
.
51
