Single-shot CARS thermometry of high-pressure hydrocarbon flames using simultaneous intensity and linewidth measurements
Clauss, W. and Oschwald, M. 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. DOI: DOI: 10.1002/jrs.2698.
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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.
|Title:||Single-shot CARS thermometry of high-pressure hydrocarbon flames using simultaneous intensity and linewidth measurements|
|Journal or Publication Title:||Journal of Raman Spectroscopy|
|In Open Access:||No|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 902-906|
|Keywords:||CARS-thermometry; hydrocarbon flame; hydrogen spectra; linewidth measurement, CARS|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W - no assignement|
|DLR - Research area:||Space|
|DLR - Program:||W - no assignement|
|DLR - Research theme (Project):||W -- no assignement (old)|
|Institutes and Institutions:||Institute of Space Propulsion > Raketenantriebe|
|Deposited By:||Michaela Hanke|
|Deposited On:||07 Dec 2010 08:10|
|Last Modified:||26 Mar 2013 13:23|
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