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Single-shot CARS thermometry of high-pressure hydrocarbon flames using simultaneous intensity and linewidth measurements

Clauss, W. and Oschwald, Michael and Vereschagin, K. A. and Smirnov, V. V. and Stel'makh, O. M. and Fabelinsky, V. I. (2010) Single-shot CARS thermometry of high-pressure hydrocarbon flames using simultaneous intensity and linewidth measurements. Journal of Raman Spectroscopy, Volume 41 (Issue 8), pp. 902-906. Wiley. DOI: DOI: 10.1002/jrs.2698

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Abstract

We demonstrate the feasibility of single laser shot coherent anti-Stokes Raman scattering thermometry with simultaneous measurement of intensities of hydrogen Q-branch lines and their linewidths in a pulsed CH4/O2 combustion chamber operating at 20 MPa pressure and 3000 K temperature—parameters that are typical for full-scale rocket engines. The measurements were done by means of a spectrograph combined with an interferometer having orthogonal directions of dispersions. This approach allows correct temperature evaluation that takes into account the directly measured linewidths.

Item URL in elib:https://elib.dlr.de/67151/
Document Type:Article
Title:Single-shot CARS thermometry of high-pressure hydrocarbon flames using simultaneous intensity and linewidth measurements
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Clauss, W.Walter.Clauss (at) dlr.deUNSPECIFIED
Oschwald, MichaelMichael.Oschwald (at) dlr.dehttps://orcid.org/0000-0002-9579-9825
Vereschagin, K. A.General Physics Institute, MoscowUNSPECIFIED
Smirnov, V. V.General Physics Institute, MoscowUNSPECIFIED
Stel'makh, O. M.General Physics Institute, MoscowUNSPECIFIED
Fabelinsky, V. I.General Physics Institute, MoscowUNSPECIFIED
Date:August 2010
Journal or Publication Title:Journal of Raman Spectroscopy
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:Volume 41
DOI :DOI: 10.1002/jrs.2698
Page Range:pp. 902-906
Publisher:Wiley
Status:Published
Keywords:CARS-thermometry; hydrocarbon flame; hydrogen spectra; linewidth measurement, CARS
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Deposited By: Hanke, Michaela
Deposited On:07 Dec 2010 08:10
Last Modified:01 Dec 2018 19:47

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