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©NIST, 2013
Accessibility information
Author(s):   Pilla, G.L.; Davidson, D.F.; Hanson, R.K.
Title:   Shock tube/laser absorption measurements of ethylene time-histories during ethylene and n-heptane pyrolysis
Journal:   Proc. Combust. Inst.
Volume:   33
Page(s):   333 - 340
Year:   2011
Book Title:   ''
Editor:   ''
Publisher:   ''
Publisher address:   ''
Comments:   ''
Reference type:   Journal article
Squib:   2011PIL/DAV333-340

Reaction:   C2H4C2H2 + H2
Reaction order:   2
Temperature:   1390 - 1870 K
Pressure:  2.33 - 3.14 bar
Rate expression:   9.13x10-10 [cm3/molecule s] e-226985 [J/mole]/RT
Uncertainty:   1.35000002
Category:  Experiment
Data type:   Derived from fitting to a complex mechanism
Pressure dependence:   None reported
Experimental procedure:   Shock tube
Excitation technique:   Thermal
Time resolution:   In real time
Analytical technique:   IR absorption
Comments:   The uncertainty in this measurement (±35%) is dominated by the effect of the temperature uncertainty (±1%).

View full bibliographic record.


Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
1390 2.70E-18
1400 3.10E-18
1425 4.37E-18
1450 6.08E-18
1475 8.37E-18
1500 1.14E-17
1525 1.53E-17
1550 2.05E-17
1575 2.71E-17
1600 3.55E-17
1625 4.62E-17
1650 5.96E-17
1675 7.63E-17
1700 9.69E-17
1725 1.22E-16
1750 1.53E-16
1775 1.91E-16
1800 2.36E-16
1825 2.91E-16
1850 3.56E-16
1870 4.17E-16