Assessment of small rocket flight experiments to obtain nonequilibrium radiation data

Details Assessment of small rocket flight experiments to obtain nonequilibrium radiation data Assessment of small rocket flight experiments to obtain nonequilibrium radiation data

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aiaa.meetst...c&link_type=abstract

AIAA, Aerospace Sciences Meeting and Exhibit, 31st, Reno, NV, Jan. 11-14, 1993, 9 p.

Statistics

Computation

Aerothermodynamics, Nonequilibrium Radiation, Reentry Vehicles, Rocket Flight, Shock Layers, Computational Fluid Dynamics, Feasibility Analysis, Flight Characteristics, Molecular Ions, Nitrogen Ions

Scientific paper

The potential for performing nonequilibrium aerothermodynamics flight experiments using small rockets is assessed. A range of possible re-entry conditions for small rocket instrument packages is studied to determine if it is feasible to obtain data relevant to planetary re-entry. The computational fluid dynamics method and the radiation simulation method are validated by comparison to the PAET flight experiment. The importance of CN Violet radiation is assessed under these conditions. The altitude at which the optical window becomes opaque is determined and synthetic spectra are computed for these conditions. Four different flight conditions are analyzed to determine which is most suitable for obtaining data relevant to planetary re-entry. It is found that all flight conditions produce sufficient N2(+) to validate computational methods. Thus, the most affordable flight considered, 7 km/s with a 10 cm nose radius, would provide useful nonequilibrium radiation data.

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