Laser photolysis/laser-induced fluorescence (LP/LIF) techniques for hydroxyl-radical (OH) and hydrogen-containing-chlorofluorocarbon (HCFC) kinetics study

Daniel Fang; Guoda Xu; Philip H. Taylor; Barry Dellinger; Rajiv J. Berry

doi:10.1117/12.293413

21 November 1997 Laser photolysis/laser-induced fluorescence (LP/LIF) techniques for hydroxyl-radical (OH) and hydrogen-containing-chlorofluorocarbon (HCFC) kinetics study

Daniel Fang, Guoda Xu, Philip H. Taylor, Barry Dellinger, Rajiv J. Berry

Author Affiliations +

Proceedings Volume 3172, Optical Technology in Fluid, Thermal, and Combustion Flow III; (1997) https://doi.org/10.1117/12.293413
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The adverse impact of chlorofluorocarbons (CFCs) on stratospheric ozone has prompted an international effort for replacement with environmentally acceptable alternatives such as hydrogen-containing chlorofluorocarbons (HCFCs). Previous studies of the reactions of OH and HCFC were limited to 298 K or below. Rate coefficients are needed above 480 K to verify the existing theoretical interpretations. Kinetics study of OH and HCFC reactions over an extended temperature range is revealed by LP/LIF technique. Based on the experimental data, the conventional transition state theory with the assistance of ab initio calculations is used to predict the reactions above 2000 K. A methodology is evolved from the precision measurements and the reliable theoretical studies.

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Daniel Fang, Guoda Xu, Philip H. Taylor, Barry Dellinger, and Rajiv J. Berry "Laser photolysis/laser-induced fluorescence (LP/LIF) techniques for hydroxyl-radical (OH) and hydrogen-containing-chlorofluorocarbon (HCFC) kinetics study", Proc. SPIE 3172, Optical Technology in Fluid, Thermal, and Combustion Flow III, (21 November 1997); https://doi.org/10.1117/12.293413

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