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PHYS632
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The Physics of Astrophysics II (3 credits)
Prerequisite: PHYS631.
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Overview
The course follows on from PHYS631, and provides an introduction to
gas dynamics within astrophysical environments. The focus is on the
interactions of matter & radiation with electromagnetic fields on
macroscopic scales. Topics include single-fluid theory, differential
motion, equilibria of self-gravitating masses &gravitational collapse,
viscosity & fluid instabilities, shears, turbulence & shocks,
magnetohydrodynamics and plasma physics. These physical processes will
be illustrated using recent results from the astrophysical literature,
and will include galaxy formation, star-formation, giant planets &
neutron stars, viscous accretion disks in both galactic &
extragalactic objects, the ionization fronts in expanding HII regions,
blast waves from supernova remnants, solar flares and MHD flows from
accretion disks.
Course Objectives
The primary academic objects of the course are
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To provide the student a broad understanding of the physics underlying
the interactions between matter and radiation within astrophysical
environments.
- To introduce the student to the professional
astrophysical literature
- To introduce the student to the various
techniques and tools used in modern astrophysics and astronomy
Outline Syllabus
- Review of Fluid Mechanics & Kinetic Theory
- Diffusive Transport Basics
- Fluids as Continua
- Self-Gravitating Spherical Masses
- Viscous-free, Barotropic Flows
- Viscous Accretion Disks
- Fluid Instabilities, Viscous Shears, Turbulence and Convection
- Propagation, Dispersion & Amplification of Spiral Density Waves
- Supersonic Flows & Shock Waves
- Ionization Fronts and Expanding HII Regions
- Survey of Magnetohydrodynamics & Plasma Physics for Astrophysics
- Course Review
Previous Runs of this Course
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