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Asymptotic Approximation Methods in Astrophysical Fluid Dynamics (Paperback)
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Asymptotic Approximation Methods in Astrophysical Fluid Dynamics (Paperback)
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The mathematical background to the topic of asymptotic
approximation methods for the solution of ordinary and partial
differential equations is given first. These methods are then
applied to several examples of problems from astrophysical fluid
(and magneto-fluid) dynamics. An entire chapter is devoted to each
topic and among them are - accretion disk boundary layers, fronts
in thermally bistable interstellar medium; ideas from geophysics
(shallow water theory) applied to modeling accretion disks; the
discovery of transient perturbation growth in accretion disks, a
growth than may reasonably give rise to secondary instabilities
which, in turn, can be instrumental in driving angular momentum
transport in these objects. Finally a critical nonlinear analysis
of the magnetic Taylor-Couette-flow is given. It is found that for
the latter, the magneto-rotational instability, whose importance
for driving accretion disk turbulence had been considered
paramount, actually saturates at an amplitude that goes with the
magnetic Prandtl number, a fact that would imply that this
instability, per- se, cannot cause sufficient angular momentum
transport to induce accretion.
General
Imprint: |
VDM Verlag
|
Country of origin: |
Germany |
Release date: |
May 2010 |
First published: |
May 2010 |
Authors: |
Oded Regev
• Orkan M. Umurhan
|
Dimensions: |
229 x 152 x 7mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
108 |
ISBN-13: |
978-3-639-26025-0 |
Categories: |
Books >
Science & Mathematics >
Physics >
General
|
LSN: |
3-639-26025-2 |
Barcode: |
9783639260250 |
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