Kinetic studies of low-temperature ammonia oxidation in a nanosecond repetitively-pulsed discharge

Hongtao Zhong, Ning Liu, Xingqian Mao, Ziyu Wang, Yiguang Ju

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

The plasma-assisted low-temperature ammonia oxidation kinetics was studied in a flow reactor under different discharge frequencies. Laser absorption spectroscopy is conducted for species (NH3, H2O and NO) number density and temperature measurements. A plasma combustion kinetic model of ammonia incorporating excited species as well as NOx chemistry is developed and further validated against experimental measurements. The results show that low-temperature plasma-assisted ammonia oxidation is governed by chemical kinetics with minimal thermal effects. The current model well-captures the H2O yield but under-predicts the NO formation. More research work including diagnostics of key intermediates such as NH2/OH/N2O and plasma-assisted NOx chemistry is needed for better utilization of ammonia with low NOx emissions for the zero-carbon future.

Original languageEnglish (US)
Title of host publicationAIAA SciTech Forum and Exposition, 2023
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624106996
DOIs
StatePublished - 2023
Externally publishedYes
EventAIAA SciTech Forum and Exposition, 2023 - Orlando, United States
Duration: Jan 23 2023Jan 27 2023

Publication series

NameAIAA SciTech Forum and Exposition, 2023

Conference

ConferenceAIAA SciTech Forum and Exposition, 2023
Country/TerritoryUnited States
CityOrlando
Period1/23/231/27/23

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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