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Title: Infrared Absorption Spectroscopy and Chemical Kinetics of Free Radicals

Technical Report ·
DOI:https://doi.org/10.2172/838138· OSTI ID:838138

This research was directed at the detection, monitoring, and study of the chemical kinetic behavior by infrared absorption spectroscopy of small free radical species thought to be important intermediates in combustion. Work on the reaction of OH with acetaldehyde has been completed and published and work on the reaction of O({sup 1}D) with CH{sub 4} has been completed and submitted for publication. In the course of our investigation of branching ratios of the reactions of O({sup 1}D) with acetaldehyde and methane, we discovered that hot atom chemistry effects are not negligible at the gas pressures (13 Torr) initially used. Branching ratios of the reaction of O({sup 1}D) with CH{sub 4} have been measured at a tenfold higher He flow and fivefold higher pressure.

Research Organization:
Wm Marsh Rice University
Sponsoring Organization:
USDOE
DOE Contract Number:
FG03-94ER14464
OSTI ID:
838138
Country of Publication:
United States
Language:
English