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Radiation absorption by the C2 band systems for Jupiter entry conditionsRevised values of the absorption cross sections for seven electronic band systems of C2 have been calculated using recently published experimental data for the electronic transition moments. Using these revised C2 cross section values, computations were made for the radiating flow field over a Jupiter entry probe with coupled ablation injection from a carbon-phenolic heat shield. Results are presented which show that radiation absorption within the ablation layer for the spectral range of 4 to 6 eV is less than that predicted using previous C2 absorption cross section values. The effect of the reduced radiation absorption by the C2 molecule is an increase in the radiative heating rates and ablation mass loss rates for the Jupiter entry conditions considered in the study.
Document ID
19790035477
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Sutton, K.
(NASA Langley Research Center Hampton, VA, United States)
Moss, J. N.
(NASA Langley Research Center Hampton, Va., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1979
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
AIAA PAPER 79-0033
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting
Location: New Orleans, LA
Start Date: January 15, 1979
End Date: January 17, 1979
Sponsors: Astronautics, American Institute of Aeronautics
Accession Number
79A19490
Distribution Limits
Public
Copyright
Other

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