International Journal of Chemical Engineering

Research Article

Reduced Chemical Kinetic Model for Titan Entries

Table 4


		, cc/mol/s		, K	Source Uncert. est.

Dissociation reactions
(1)	N₂ + M ⇆ N + N + M	7.00 × 10²¹	−1.60	113,200	[14]/
	Enhanced rate for M = N, C, H	3.00 × 10²²	−1.60	113,200	[14]/–5.0
	Enhanced rate for M = e⁻	3.00 × 10²⁴	−1.60	113,200	[14]/
(2)	CH₄ + M ⇆ CH₃ + H + M	4.70 × 10⁴⁷	−8.20	59,200	[7]/
(3)	CH₃ + M ⇆ CH₂ + H + M	1.02 × 10¹⁶	0.00	45,600	[7]/–3.2
(4)	CH₃ + M ⇆ CH + H₂ + M	5.00 × 10¹⁵	0.00	42,800	[15]/–2.0
(5)	CH₂ + M ⇆ CH + H + M	4.00 × 10¹⁵	0.00	41,800	[15]/–2.0
(6)	CH₂ + M ⇆ C + H₂ + M	1.30 × 10¹⁴	0.00	29,700	[15]/–2.0
(7)	CH + M ⇆ C + H + M	1.90 × 10¹⁴	0.00	33,700	[15]/–2.0
(8)	C₂ + M ⇆ C + C + M	1.50 × 10¹⁶	0.00	71,600	[16]/–2.0
(9)	H₂ + M ⇆ H + H + M	2.23 × 10¹⁴	0.00	48,350	[7, 17]/–2.0
(10)	CN + M ⇆ C + N + M	2.53 × 10¹⁴	0.00	71,000	[18, 19]/–2.0
(11)	NH + M ⇆ N + H + M	1.80 × 10¹⁴	0.00	37,600	[20]/–
(12)	HCN + M ⇆ CN + H + M	3.57 × 10²⁶	−2.60	62,845	[21]/–2.0
Radical reactions
(13)	CH₃ + H ⇆ CH₂ + H₂	6.03 × 10¹³	0.00	7,600	[17]/
(14)	CH + N₂⇆ HCN + N	4.40 × 10¹²	0.00	11,060	[22]/–3.2
(15)	CH + C ⇆ C₂ + H	2.00 × 10¹⁴	0.00	0	[15]/
(16)	C₂ + N₂⇆ CN + CN	1.50 × 10¹³	0.00	21,000	[23]/–2.0
(17)	CN + H₂⇆ HCN + H	2.95 × 10⁵	0.00	1,130	[24]/–5.0
(18)	CN + C ⇆ C₂ + N	5.00 × 10¹³	0.00	13,000	[14]/–5.0
(19)	N + H₂⇆ NH + H	1.60 × 10¹⁴	0.00	12,650	[25]/–2.0
(20)	C + N₂⇆ CN + N	5.24 × 10¹³	0.00	22,600	[7]/–2.0
(21)	C + H₂⇆ CH + H	4.00 × 10¹⁴	0.00	11,700	[26]/–2.0
(22)	H + N₂⇆ NH + N	3.00 × 10¹²	0.50	71,400	[27]/–3.2
(23)	H + CH₄⇆ CH₃ + H₂	1.32 × 10⁴	3.00	4,045	[7, 17]/–2.0
Ionization reactions
(24)	N + N ⇆ + e⁻	4.40 × 10⁷	1.50	67,500	[14]/
(25)	C + N ⇆ CN⁺ + e⁻	1.00 × 10¹⁵	1.50	164,400	[1]/
(26)	N + e⁻⇆ N⁺ + e⁻ + e⁻	2.50 × 10³⁴	−3.82	168,600	[14, 28]/
(27)	C + e⁻⇆ C⁺ + e⁻ + e⁻	3.70 × 10³¹	−3.00	130,720	[14]/
(28)	CN⁺ + N ⇆ CN + N⁺	9.80 × 10¹²	0.00	40,700	[1]/