GSTDTAP  > 气候变化
DOI10.1029/2020GL089463
Heat transfer from convecting magma reservoirs to hydrothermal fluid flow systems constrained by coupled numerical modelling
Christine Andersen; Philipp Weis
2020-11-20
发表期刊Geophysical Research Letters
出版年2020
英文摘要

Magma flow, heat conduction and hydrothermal fluid flow control the heat transfer through the upper crust. Magmatic‐hydrothermal activity is essential for the utilization of geothermal energy, formation of ore deposits and predictions of volcanic hazards, but the interplay between magmatic and hydrothermal processes is not well constrained due to the lack of adequate scientific tools. Simulation results from our novel coupled numerical model resolving both magma (Navier‐Stokes) and hydrothermal (Darcy) flow quantify the influence of magma convection and rock permeability on energy transfer. Convection of a hot‐dry rhyolitic magma has an accelerating effect of up to 15% on the cooling of the reservoir by enhancing the heat transfer towards the magma‐hydrothermal interface. However, at high permeabilities and high brittle‐ductile transition temperatures, magma flow can also have a secondary decelerating effect, because it prevents efficient permeability creation and entrainment of hydrothermal fluids at the edges of the magma reservoir.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/304262
专题气候变化
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Christine Andersen,Philipp Weis. Heat transfer from convecting magma reservoirs to hydrothermal fluid flow systems constrained by coupled numerical modelling[J]. Geophysical Research Letters,2020.
APA Christine Andersen,&Philipp Weis.(2020).Heat transfer from convecting magma reservoirs to hydrothermal fluid flow systems constrained by coupled numerical modelling.Geophysical Research Letters.
MLA Christine Andersen,et al."Heat transfer from convecting magma reservoirs to hydrothermal fluid flow systems constrained by coupled numerical modelling".Geophysical Research Letters (2020).
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