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Merge pull request #612 from ReactionMechanismGenerator/jeehyun_JPL
k_low and T1, T3 corrected for KLI_GLB_2016, NOx2018; PdepArrhenius info added for Nitrogen_GLB_JMZ
2 parents 574bbd2 + d259685 commit d6d40b2

3 files changed

Lines changed: 67 additions & 12 deletions

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input/kinetics/libraries/Klippenstein_Glarborg2016/reactions.py

Lines changed: 11 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1965,18 +1965,26 @@
19651965
kinetics = Troe(
19661966
arrheniusHigh = Arrhenius(A=(3.1e+18, 's^-1'), n=-1.017, Ea=(91712, 'cal/mol'), T0=(1, 'K')),
19671967
arrheniusLow = Arrhenius(
1968-
A = (5.4e+23, 'cm^3/(mol*s)'),
1968+
A = (3.25e+47, 'cm^3/(mol*s)'),
19691969
n = -8.3446,
19701970
Ea = (99596, 'cal/mol'),
19711971
T0 = (1, 'K'),
19721972
),
19731973
alpha = 0.9922,
1974-
T3 = (943, 'K'),
1975-
T1 = (47310, 'K'),
1974+
T3 = (47310, 'K'),
1975+
T1 = (943, 'K'),
19761976
T2 = (47110, 'K'),
19771977
efficiencies = {},
19781978
),
19791979
shortDesc = u"""The chemkin file reaction is CH3OH <=> CH2(S) + H2O""",
1980+
longDesc = u"""This entry has different numbers than the entry in the
1981+
mechanism file (Hashemi et al.). It uses the kinetic parameters from
1982+
the original source (Jasper et al. J. Phys. Chem. A, 2007, 111, 19,
1983+
3932-3950). Jasper et al. reported kinetic unit in molecule, cm^3,
1984+
and s, but Hashemi et al. didn't multiply the A factor of the low-pressure
1985+
limit Arrhenius by Avogadro's number when compiling the mechanism (with
1986+
the unit in mol, cm^3, and s). Besides, Hashemi et al. mistakenly reversed
1987+
the order of the T1 and T3 parameters."""
19801988
)
19811989

19821990
entry(

input/kinetics/libraries/NOx2018/reactions.py

Lines changed: 22 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1310,7 +1310,7 @@
13101310
kinetics = PDepArrhenius(
13111311
pressures = ([0.01, 1, 10, 20, 50, 100], 'atm'),
13121312
arrhenius = [
1313-
Arrhenius(A=(6.8e+24, 'cm^3/(mol*s)'), n=-3, Ea=(0, 'cal/mol'), T0=(1, 'K')),
1313+
Arrhenius(A=(8.3476e+20, 'cm^3/(mol*s)'), n=-4, Ea=(0, 'cal/mol'), T0=(1, 'K')),
13141314
Arrhenius(A=(5e+22, 'cm^3/(mol*s)'), n=-3.85, Ea=(2000, 'cal/mol'), T0=(1, 'K')),
13151315
Arrhenius(
13161316
A = (3.4e+21, 'cm^3/(mol*s)'),
@@ -1368,6 +1368,15 @@
13681368
),
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],
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),
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longDesc=u"""This entry has different rate constants at P = 0.01 atm than
1372+
the entry in the mechanism file (Glarborg et al.). In Glarborg et al.,
1373+
k at 0.01 atm was taken from the low-pressure limit k0 of the Troe kinetics
1374+
in Fernandes et al. (Fernandes et al., JPCA, 110, 13, 4442-4449). However,
1375+
according to the definition by Fernandes et al., k0 (7E-31*(T/300)^-3 [cm6/#2/s])
1376+
has to be multiplied by [M] (P/RT) to get the rate constants at a specific pressure.
1377+
Thus, k(P=0.01 atm) = 7E-31*(T/300)^-3 [cm6/#2/s] * P/RT
1378+
= 7E-31*(300^3)(6.02E23)^2(1013.25/8.314E6)(T^-4) [cm3/mol/s]
1379+
= 8.348E+20T^-4 [cm3/mol/s]"""
13711380
)
13721381

13731382
entry(
@@ -1810,17 +1819,26 @@
18101819
kinetics = Troe(
18111820
arrheniusHigh = Arrhenius(A=(3.1e+18, 's^-1'), n=-1.017, Ea=(91712, 'cal/mol'), T0=(1, 'K')),
18121821
arrheniusLow = Arrhenius(
1813-
A = (5.4e+23, 'cm^3/(mol*s)'),
1822+
A = (3.25e+47, 'cm^3/(mol*s)'),
18141823
n = -8.3446,
18151824
Ea = (99596, 'cal/mol'),
18161825
T0 = (1, 'K'),
18171826
),
18181827
alpha = 0.9922,
1819-
T3 = (943, 'K'),
1820-
T1 = (47310, 'K'),
1828+
T3 = (47310, 'K'),
1829+
T1 = (943, 'K'),
18211830
T2 = (47110, 'K'),
18221831
efficiencies = {},
18231832
),
1833+
shortDesc = u"""The chemkin file reaction is CH3OH <=> CH2(S) + H2O""",
1834+
longDesc = u"""This entry has different numbers than the entry in the
1835+
mechanism file (Hashemi et al.). It uses the kinetic parameters from
1836+
the original source (Jasper et al. J. Phys. Chem. A, 2007, 111, 19,
1837+
3932-3950). Jasper et al. reported kinetic unit in molecule, cm^3,
1838+
and s, but Hashemi et al. didn't multiply the A factor of the low-pressure
1839+
limit Arrhenius by Avogadro's number when compiling the mechanism (with
1840+
the unit in mol, cm^3, and s). Besides, Hashemi et al. mistakenly reversed
1841+
the order of the T1 and T3 parameters."""
18241842
)
18251843

18261844
entry(

input/kinetics/libraries/Nitrogen_Glarborg_Gimenez_et_al/reactions.py

Lines changed: 34 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -3631,12 +3631,41 @@
36313631
index = 474,
36323632
label = "C2H2 + CH3 <=> CH2CHCH2",
36333633
degeneracy = 1,
3634-
kinetics = Arrhenius(
3635-
A = (2.7e+53, 'cm^3/(mol*s)'),
3636-
n = -12.82,
3637-
Ea = (35730, 'cal/mol'),
3638-
T0 = (1, 'K'),
3634+
kinetics = PDepArrhenius(
3635+
pressures = ([0.1, 1, 10, 100], 'atm'),
3636+
arrhenius = [
3637+
Arrhenius(
3638+
A = (8.20e+53, 'cm^3/(mol*s)'),
3639+
n = -13.32,
3640+
Ea = (33200, 'cal/mol'),
3641+
T0 = (1, 'K'),
3642+
),
3643+
Arrhenius(
3644+
A = (2.7e+53, 'cm^3/(mol*s)'),
3645+
n = -12.82,
3646+
Ea = (35730, 'cal/mol'),
3647+
T0 = (1, 'K'),
3648+
),
3649+
Arrhenius(
3650+
A = (4.4e+49, 'cm^3/(mol*s)'),
3651+
n = -11.4,
3652+
Ea = (36700, 'cal/mol'),
3653+
T0 = (1, 'K'),
3654+
),
3655+
Arrhenius(
3656+
A = (3.8e+44, 'cm^3/(mol*s)'),
3657+
n = -9.63,
3658+
Ea = (37600, 'cal/mol'),
3659+
T0 = (1, 'K'),
3660+
),
3661+
],
36393662
),
3663+
longDesc=u"""This entry has different kinetics than the entry in the mechanism file
3664+
(Lopez et al.). The original reference of this reaction
3665+
(Davis et al. , J. Phys. Chem. A 1999, 103, 5889-5899) reported Pdep kinetics.
3666+
However, the kinetics in the mechanism file of Lopez et al. only contained the rate
3667+
coefficient at 1 atm and used it as the high-pressure limit rate coefficient.
3668+
This entry instead reported the Pdep kinetics from the original source."""
36403669
)
36413670

36423671
entry(

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