About: Compositional and thermal equilibration of particles, drops, and diapirsin geophysical flows     Goto   Sponge   NotDistinct   Permalink

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  • Core formation, crystal/melt separation, mingling of immiscible magmas,and diapirism are fundamental geological processes that involve differential motions driven by gravity. Diffusion modifies the composition or/and temperature of the considered phases while they travel. Solid particles, liquid drops and viscous diapirs equilibrate while sinking/rising through their surroundings with a time scale that depends on the physics of the flow and the material properties. In particular, the internal circulation within a liquid drop or a diapir favors the diffusive exchange at the interface. To evaluate time scales of chemical/thermal equilibration between a material falling/rising through a deformable medium, we propose analytical laws that can be used at multiple scales. They depend mostly on the non-dimensional Peclet and Reynolds numbers, and are consistent with numerical simulations.
  • Core formation, crystal/melt separation, mingling of immiscible magmas,and diapirism are fundamental geological processes that involve differential motions driven by gravity. Diffusion modifies the composition or/and temperature of the considered phases while they travel. Solid particles, liquid drops and viscous diapirs equilibrate while sinking/rising through their surroundings with a time scale that depends on the physics of the flow and the material properties. In particular, the internal circulation within a liquid drop or a diapir favors the diffusive exchange at the interface. To evaluate time scales of chemical/thermal equilibration between a material falling/rising through a deformable medium, we propose analytical laws that can be used at multiple scales. They depend mostly on the non-dimensional Peclet and Reynolds numbers, and are consistent with numerical simulations. (en)
Title
  • Compositional and thermal equilibration of particles, drops, and diapirsin geophysical flows
  • Compositional and thermal equilibration of particles, drops, and diapirsin geophysical flows (en)
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  • Compositional and thermal equilibration of particles, drops, and diapirsin geophysical flows
  • Compositional and thermal equilibration of particles, drops, and diapirsin geophysical flows (en)
skos:notation
  • RIV/00216208:11320/11:10099549!RIV12-GA0-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP210/11/1366)
http://linked.open...iv/cisloPeriodika
  • neuveden
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  • 191457
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  • RIV/00216208:11320/11:10099549
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  • segregation; modeling; mixing; magma; fluid mechanics; equilibration (en)
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  • US - Spojené státy americké
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  • [5A761980C459]
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  • Geochemistry, Geophysics, Geosystems
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  • 12
http://linked.open...iv/tvurceVysledku
  • Coltice, N.
  • Dubuffet, F.
  • Labrosse, S.
  • Ricard, Y.
  • Ulvrová, Martina
  • Velímský, Jakub
  • Šrámek, Ondřej
http://linked.open...ain/vavai/riv/wos
  • 000296150100004
issn
  • 1525-2027
number of pages
http://bibframe.org/vocab/doi
  • 10.1029/2011GC003757
http://localhost/t...ganizacniJednotka
  • 11320
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