Shock tube kinetic studies using a novel multi-pass absorption cell

Authors

L. N. Krasnoperov, Argonne National Laboratory
J. V. Michael, Argonne National Laboratory

Document Type

Conference Proceeding

Publication Date

12-1-2002

Abstract

A number of elementary reactions of hydroxyl (OH) and methyl (CH3) radicals were studied in a shock tube by transient UV absorption using a novel multi-pass absorption cell for sensitive monitoring of transient species. The multi-pass cell consisted of two dielectric mirrors comprising a stable cavity and is used with traditional light sources. Single-shot kinetics with the initial concentration of OH radicals ≥ 5 × 10¹² molecule/cc were recorded. The majority of the measurements were performed with the [OH]0 = (1 - 2) × l0¹³ molecule/cc. A number of radical precursors were tested and (partially) characterized. For OH, pyrolysis of C2H5I/NO2 mixtures or pyrolysis of HNO3 were used. To produce OH and CH3, pyrolysis of (CH3)3COOH/(CH3)3 COO(CH3)3, or pyrolysis of CH3OH, were used. The kinetic results and the directions of the further development of the technique were discussed. Original is an abstract.

Identifier

0036944125 (Scopus)

Publication Title

International Symposium on Combustion Abstracts of Works in Progress Posters

First Page

224

Recommended Citation

Krasnoperov, L. N. and Michael, J. V., "Shock tube kinetic studies using a novel multi-pass absorption cell" (2002). Faculty Publications. 14498.
https://digitalcommons.njit.edu/fac_pubs/14498