Numerical simulation of earth's core formation

Details Numerical simulation of earth's core formation Numerical simulation of earth's core formation

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....98.2075h&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. B2, p. 2075-2089.

Physics

22

Earth Core, Earth Planetary Structure, Mathematical Models, Precambrian Period, Geophysical Fluids, Planetary Evolution

Scientific paper

Formation process of earth's core is studied by numerical simulations of flow field in a self-gravitating fluid sphere. The proto-earth was assumed to have gravitationally unstable three-layered structure initially, which consists of the uppermost silicate melt layer, the middle iron layer, and the central undifferentiated silicate-rich protocore. This structure of the heavy iron layer overlying the light protocore leads to Rayleigh-Taylor instability. The numerical simulation supports that the fastest mode of the instability is the translation of the protocore relative to the iron layer, as pointed out by previous studies. Furthermore, the present calculation shows that the translational mode is followed by growth of a gigantic iron drop and intrusion of the iron drop into the protocore. This late stage process is found to be the controlling process of earth's core formation.

Affiliated with

Also associated with

No associations

Rating

Numerical simulation of earth's core formation does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Numerical simulation of earth's core formation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Numerical simulation of earth's core formation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1275529