On the role of viscosity in spherically symmetric transonic flows
Journal Article
·
· Astrophysical Journal; (USA)
- Padova Universita, Padua (Italy)
The effects induced by viscosity on the equations governing spherical, transonic flows are discussed. It is shown that viscosity changes the topology of solutions, replacing the critical point of the inviscid regime with a subcritical one. The quantitative relevance of turbulent dissipation is evaluated in the case of spherical accretion onto a black hole. 9 refs.
- OSTI ID:
- 5595625
- Journal Information:
- Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 342; ISSN ASJOA; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640102* -- Astrophysics & Cosmology-- Stars & Quasi-Stellar
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ASTROPHYSICS
BLACK HOLES
FLUID FLOW
FLUID MECHANICS
HYDRODYNAMICS
MAGNETOHYDRODYNAMICS
MATHEMATICS
MECHANICS
STAR ACCRETION
STAR EVOLUTION
TOPOLOGY
TRANSONIC FLOW
TURBULENCE
VISCOSITY
Radio & X-Ray Sources
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ASTROPHYSICS
BLACK HOLES
FLUID FLOW
FLUID MECHANICS
HYDRODYNAMICS
MAGNETOHYDRODYNAMICS
MATHEMATICS
MECHANICS
STAR ACCRETION
STAR EVOLUTION
TOPOLOGY
TRANSONIC FLOW
TURBULENCE
VISCOSITY