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Rate constant for H+O2→O+OH by laser absorption spectroscopy of OH in shock-heated H2-O2-Ar mixtures

✍ Scribed by Nobuyuki Fujii; Kuan S. Shin

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
364 KB
Volume
151
Category
Article
ISSN
0009-2614

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✦ Synopsis

Therateconstantexpression, k&.0x

1014exp( -95 kJ/RT) cm3 mol-' s-t, for H+O ,+O + OH was determined from cw laser absorption spectroscopic measurements of OH radical concentration growth rates in rich Hz-OZ-Ar mixtures heated to temperatures between 1900 and 2650 K in reflected shock waves.

📜 SIMILAR VOLUMES

Rate coefficients for O + H2 → OH + H an
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Rate coefficient expressions for O+H,-+OH+H (5H) and O+D+OD+D (5D) over the temperature ranges 1600-2250 and 2370-3390 K, respectively, of &,=3.7x 10L4exp( -65 k.l/RT) and k5~=4.7~ lO'\*exp( -74 kJ/RT) cm3 mol-' s-i were derived from laser absorption spectroscopic measurements in shock-heated H2-02-

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✍ A.M. Dean; D.C. Steiner; E.E. Wang 📂 Article 📅 1978 🏛 Elsevier Science 🌐 English ⚖ 599 KB

Emissions at 450 nm and 4.27 ~sm have been measured when a vaxiety of mixtures containing H 2, CO. either 02 or NaO, and Ar were heated behind reflected shock waves to temperatures of 2000-2850 K and total concentrations near 5 x 101| molecule/era 3. These emissions were used to obtain absolute con