Enhanced Raman-scattering measurements in low-density supersonic flows |
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| Authors: | RA Hill CW Peterson AJ Mulac DR Smith |
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| Institution: | Sandia Laboratories, Albuquerque, NM 87115, U.S.A. |
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| Abstract: | Raman scattering, enhanced by a light trapping cell, has been used to measure temperature and density in the inviscid and viscous regions of the flow from an open-jet supersonic nozzle. Raman temperatures and densities in the inviscid regions are in excellent agreement with static temperatures and densities calculated from measurements of stagnation temperature, stagnation pressure and Pitot pressure. |
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