Rotational temperature and density measurements in a hypersonic flow by dual-line CARS |
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| Authors: | F Grisch P Bouchardy M Péalat B Chanetz T Pot M C Coët |
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| Institution: | (1) Office National d'Etudes et de Recherches Aérospatiales, BP 72, F-92322 Châtillon Cedex, France |
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| Abstract: | Rotational temperature and nitrogen number density are measured in the shock wave/boundary layer interaction region in the vicinity of a two-dimensional compression corner disposed in a low pressure, 55 K, Mach 10 hypersonic air flow. Spatially-resolved data are recorded using a nonlinear optical technique named dual-line coherent anti-Stokes Raman scattering (DLCARS). Averaged temperature and density profiles are compared with those predicted by a Navier-Stokes solver. Good agreement is found. |
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| Keywords: | 07 60 42 80 82 80 |
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