The Influence of Non-Newtonian Properties of Magma on Flow in a Volcanic Conduit

Magma flow in a volcanic conduit is traditionally described within one-dimensional or quasi-one-dimensional models taking into account the dependence of the viscosity on the crystal concentration. The velocity profile is assumed to be parabolic, and the parameters are averaged across the conduit. Th...

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Published in:Doklady. a journal of the Russian Academy of Sciences. Physics 2018-11, Vol.63 (11), p.485-488
Main Authors: Tsvetkova, Yu. D., Melnik, O. E.
Format: Article
Language:English
Subjects:
Classical Mechanics
Dependence
Flow velocity
Magma
Mathematical and Computational Physics
Mechanics
One dimensional models
Physics
Physics and Astronomy
Theoretical
Two dimensional models
Velocity distribution
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description Magma flow in a volcanic conduit is traditionally described within one-dimensional or quasi-one-dimensional models taking into account the dependence of the viscosity on the crystal concentration. The velocity profile is assumed to be parabolic, and the parameters are averaged across the conduit. The results of calculations based on the quasi-two-dimensional model are compared with those for the one-dimensional model. It is shown that the velocity profile differs significantly from parabolic and that the magma flow rate depends on the pressure at the magma chamber.
doi_str_mv 10.1134/S1028335818110071
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subjects Classical Mechanics
Dependence
Flow velocity
Magma
Mathematical and Computational Physics
Mechanics
One dimensional models
Physics
Physics and Astronomy
Theoretical
Two dimensional models
Velocity distribution
title The Influence of Non-Newtonian Properties of Magma on Flow in a Volcanic Conduit
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