Temperature sensitivity of the two-photon photodissociation fluorescence spectrum of water vapor in a hydrogen-air burner

Peter A. DeBarber; Cecil F. Hess; Robert W. Pitz; Warren A. Cole

doi:10.1117/12.163704

2 December 1993 Temperature sensitivity of the two-photon photodissociation fluorescence spectrum of water vapor in a hydrogen-air burner

Peter A. DeBarber, Cecil F. Hess, Robert W. Pitz, Warren A. Cole

Author Affiliations +

Proceedings Volume 2005, Optical Diagnostics in Fluid and Thermal Flow; (1993) https://doi.org/10.1117/12.163704
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

High temperature water vapor detection in hypersonic exhaust has been the subject of ongoing research in a collaboration between MetroLaser and Vanderbilt University's Department of Mechanical Engineering. In this paper we examine some of the temperature sensitivity issues surrounding water vapor diagnostics based on two-photon fluorescence measurements. We present work which shows a large temperature sensitivity for the two-photon excited fluorescence features for H₂O in a hydrogen and air flat flame burner. The spectra are modeled for various temperatures, results are experimentally verified, and recommendations are made.

Citation Download Citation

Peter A. DeBarber, Cecil F. Hess, Robert W. Pitz, and Warren A. Cole "Temperature sensitivity of the two-photon photodissociation fluorescence spectrum of water vapor in a hydrogen-air burner", Proc. SPIE 2005, Optical Diagnostics in Fluid and Thermal Flow, (2 December 1993); https://doi.org/10.1117/12.163704

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