Statistics – Computation
Scientific paper
Feb 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...83..308l&link_type=abstract
Icarus (ISSN 0019-1035), vol. 83, Feb. 1990, p. 308-324.
Statistics
Computation
33
Radiant Heating, Satellite Atmospheres, Solar Radiation, Thermosphere, Titan, Acetylene, Molecular Relaxation, Satellite Surfaces, Temperature Measurement, Saturn, Satellites, Titan, Aeronomy, Models, Atmosphere, Heating, Thermosphere, Acetylene, Relaxation, Comparisons, Voyager Missions, Uvs Instrument, Temperature, Thermal Properties, Nitrogen, Methane, Iris Instrument, Solar Effects, Models, Calculations, Cooling, Spectrometry, Mesopause
Scientific paper
The present computations, which yield results at variance with the solar heating profile yielded by the Friedson and Yung (1989) aeronomic model of the Titan thermosphere, suggest a numerical error in their code; more recent measurements on the process of acetylene relaxation also prompt a reconsideration of their C2H2-dominated IR cooling formulation. The results of the heat transfer equation upon correction for these factors is found to lead, however, to a profile which conflicts with the Voyager UVS temperature measurement at 1265 km from the surface of Titan. This conflict may be resolved by assuming very low heating efficiencies.
Coustenis Athena
Hunten Don M.
Kockarts Gaston
Lellouch Emmanuel
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