Methods for computing comet core temperatures

Details Methods for computing comet core temperatures Methods for computing comet core temperatures

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986icar...66..625m&link_type=abstract

Icarus (ISSN 0019-1035), vol. 66, June 1986, p. 625-629.

Computer Science

6

Comet Nuclei, Surface Temperature, Temperature Dependence, Temperature Measurement, Thermal Conductivity, Solar System, Thermodynamic Equilibrium

Scientific paper

The temperature profile within the comet nucleus provides the key to an understanding of the history of the volatiles within a comet. Certain difficulties arise in connection with current cometary temperature models. It is shown that the constraint of zero net heat flow can be used to derive general analytical expressions which will allow for the determination of comet core temperature for a spherically symmetric comet, taking into account information about the surface temperature and the thermal conductivity. The obtained results are compared with the expression for comet core temperatures considered by Klinger (1981). Attention is given to analytical results, an example case, and numerical models. The formalization developed makes it possible to determine the core temperature on the basis of the numerical models of the surface temperature.

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