CARS spectroscopy of CH4 for implication of temperature measurements in supercritical LOX/CH4 combustion |
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| Institution: | 1. Office National d''Etudes et de Recherches Aérospatiales, Fort de Palaiseau, 91761 Palaiseau Cedex, France;2. Laboratoire de Physique de l''Université de Bourgogne, CNRS UMR 5027, 9 Avenue Alain Savary, BP 47870, F-21078, Dijon, France;1. Groupe de Spectrométrie Moléculaire et Atmosphérique (GSMA), CNRS UMR 7331, Université de Reims Champagne-Ardenne, U.F.R. Sciences Exactes et Naturelles, Moulin de la Housse B.P. 1039, 51687 Reims Cedex 2, France;2. Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB), CNRS UMR 6303, Université de Bourgogne, 9 avenue A. Savary, BP 47870, 21078 DIJON Cedex, France;3. Laboratoire de Physique Moléculaire pour l''Atmosphère et l''Astrophysique (LPMAA), CNRS/INP UMR 7092, Université Pierre et Marie Curie, Case 76, 4 Place Jussieu, 75252 Paris Cedex 05, France;1. Laboratory of Theoretical Spectroscopy, V.E. Zuev Institute of Atmospheric Optics, SB RAS, 1, Academician Zuev square, 634021 Tomsk, Russia;2. Saint-Petersburg State University, 3 Ulyanovskaya str., Peterhof, 198504 St. Petersburg, Russia;3. National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan;4. Tomsk State University, 36, Lenin Avenue, 634050 Tomsk, Russia;1. Institute of Turbomachinery and Flight Propulsion, TU München, 85748 Garching, Germany;2. Science and Technology on Liquid Rocket Engine Laboratory, Xi’an Aerospace Propulsion Institute, 289 Feitian Road, Aerospace Base, Xi''an, Shaanxi Province, China;1. Central South University, 410083, Changsha, PR China;2. Beijing Institute of Aerospace Testing Technology, 100074, Beijing, PR China;1. Department of Physics, The College of William and Mary, Box 8795, Williamsburg, VA, USA;2. Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA), CNRS/IPSL, UMR 7583, Universités Paris Est et Diderot, Paris, 61 av Général de Gaulle, 94010 Créteil, France;3. Pacific Northwest National Laboratory, P.O. Box 999, Mail Stop K8-88, Richland, WA, USA;4. Atmospheric, Oceanic and Planetary Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford OX1 3PU, UK |
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| Abstract: | Experimental and theoretical investigations of coherent anti-Stokes Raman spectroscopy of CH4 have been carried out. Experimental spectra were measured in a heated high-pressure test cell and compared with numerical simulations. Good agreement was obtained for the temperature and the pressure dependence of CARS spectra in the ranges 300–1100 K and 0.1–5.0 MPa. The observed dependencies provide useful guidance for CARS thermometry, allowing quantitative measurements of temperature in high-pressure combustors. Application of multiplex CH4 CARS thermometry for single-shot measurements in a LOX/CH4 combustion at high pressure was demonstrated at supercritical conditions (5.6 MPa). |
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