Broadband H2O and Temperature Measurements in Dynamic H2/O2 Flames using a Swept-Wavelength ECQCL

Mark C. Phillips; Austin Butler; Nick G. Glumac; Michael D. DeMagistris; Morgan Ruesch; Andrea C. Zambon; Neeraj Sinha

doi:10.1364/LACSEA.2022.LTh3E.1

Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2022),
paper LTh3E.1
•https://doi.org/10.1364/LACSEA.2022.LTh3E.1

Broadband H₂O and Temperature Measurements in Dynamic H₂/O₂ Flames using a Swept-Wavelength ECQCL

Mark C. Phillips, Austin Butler, Nick G. Glumac, Michael D. DeMagistris, Morgan Ruesch, Andrea C. Zambon, and Neeraj Sinha

Laser Applications to Chemical, Security and Environmental Analysis 2022

Vancouver, British Columbia Canada
11–15 July 2022
ISBN: 978-1-957171-10-4

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Combustion Imaging and Thermometry (LTh3E)

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M. C. Phillips, A. Butler, N. G. Glumac, M. D. DeMagistris, M. Ruesch, A. C. Zambon, and N. Sinha, "Broadband H2O and Temperature Measurements in Dynamic H2/O2 Flames using a Swept-Wavelength ECQCL," in Optical Sensors and Sensing Congress 2022 (AIS, LACSEA, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2022), paper LTh3E.1.

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Abstract

Absorption spectra from 950-1170 cm^-1 are measured at 500 Hz with a swept-wavelength external cavity quantum cascade to determine H₂O temperatures and column densities in propagating H₂/O₂ flames and compared to computational fluid dynamic models.

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