How does the interior of Venus lose heat?

Details How does the interior of Venus lose heat? How does the interior of Venus lose heat?

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1457t&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 457.

Physics

Venus Surface, Heat Transfer, Potassium, Uranium, Tectonics, Thorium, Highlands, Subduction (Geology), Lithosphere, Planetary Mantles, Free Convection

Scientific paper

It is argued that solid-state convection is the primary heat transfer mechanism within Venus. After a global subduction event the asthenosphere on Venus would extend to the surface. Because the basal liquidus is considerably steeper than the mantle adiabat, large degrees of partial melting and a very low mantle viscosity would be expected. Surface heat flows cold be very high. In order to prevent a surface conductive layer from greatly reducing the surface heat flow, it is necessary for surface layers to founder nearly as soon as they form. However, in order to be effective in cooling the planet a whole, the foundering crust must mix and rehomogenize with the mantle. This is possible if the founder basaltic crust converts to eclogite so that it is gravitationally unstable with respect to the mantle.

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