Coherent Anti-Stokes Raman Scattering Measurements and Computational Modeling of Nonequilibrium Flow
Grisch, F. and Bouchardy, P. and Joly, V. and Marmignon, C. and Koch, U. and Gülhan, A. (2000) Coherent Anti-Stokes Raman Scattering Measurements and Computational Modeling of Nonequilibrium Flow. AIAA Journal, 38 (9), pp. 1669-1675.
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An experimental study is conducted in a high-enthalpy continuous facility to investigate the nonequilibrium shock-layer airflow induced by a two-dimensional body. The rotational and vibrational temperatures of nitrogen as well as the number density are measured by recording the rovibrational spectra of molecular nitrogen using coherent anti-Stokes Raman scattering spectroscopy. Measurements are performed in the freestream and within the shock layer induced by a disk model. Difficulties specific to the application of an optical technique to a high enthalpy flow are discussed, and flows parameters are given. The nozzle and shock-layer flows are modeled numerically using a nonequilibrium Navier-Stokes solver. Good agreement is achieved between the experimental and calculated results.
|Title:||Coherent Anti-Stokes Raman Scattering Measurements and Computational Modeling of Nonequilibrium Flow|
|Journal or Publication Title:||AIAA Journal|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1669-1675|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||W RP - Raumtransport|
|DLR - Research area:||Space|
|DLR - Program:||W RP - Raumtransport|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||31 Jan 2006|
|Last Modified:||14 Jan 2010 21:04|
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