1 Fluid Dynamics for Astrophysics
2 mod01lec01 - Introduction to the course
3 mod01lec02 - Continuum hypothesis, distribution function and stress-viscosity relation
4 mod01lec03 - Continuum hypothesis, distribution function and stress-viscosity relation - Recap
5 mod01lec04 - Fluid Kinematics
6 mod01lec05 - Fluid Kinematics - Recap
7 mod02lec06 - Conservation laws: Mass conservation and incomprehensibility
8 mod02lec07 - Conservation laws: Momentum conservation and Euler equation
9 mod02lec08 - Conservation laws - Recap
10 mod02lec09 - Potential flows
11 mod02lec10 - Bernoulli constant, its applications and voracity equation
12 mod03lec11 - Recap - Potential flows, Bernoulli constant and its applications
13 mod03lec12 - Voracity dynamics -- Kelvin's voracity theorem and Magus effect
14 mod03lec13 - Navier-Stokes equation
15 mod03lec14 - Navier-Stokes equation (contd.) and energy equation
16 mod03lec15 - Energy equation in a conservative form
17 mod03lec16 - Boundary conditions in Navier-Stokes equation, d'Alembert's paradox
18 mod03lec17 - Poiseuille flow, deriving viscosity from microscopics
19 mod04lec18 - Dimensionless numbers -- Mach number, Reynolds number
20 mod04lec19 - Dimensionless numbers
21 mod04lec20 - Reynolds number and dynamic similarity
22 mod04lec21 - Reynolds number recap, Low Re flows, and drag on a sphere (Stokes law)
23 mod04lec22 - High Re flows -- turbulent drag law, vortex shedding and drag crisis
24 mod05lec23 - Lift on a body, introduction to compressible flows
25 mod05lec24 - Compressible flows -- derivation of sound speed and dispersion relation
26 mod05lec25 - Subsonic and supersonic flows
27 mod05lec26 - Propagation of sonic information, shock tube problem and piston problem
28 mod05lec27 - Criterion for neglect of compressibility, method of characteristics
29 mod06lec28 - Shock thickness
30 mod06lec29 - Shock thickness recap, shock jump conditions
31 mod06lec30 - Shock jump conditions (contd), transonic 1D flows, converging/diverging channels
32 mod06lec31 - Coverging/diverging channels, de Laval nozzle and its application to astrophysical jets
33 mod06lec32 - Spherically symmetric transonic flows
34 mod06lec33 - Spherically symmetric transonic flows (contd)
35 mod07lec34 - Solar wind : Parker's solution
36 mod07lec35 - Solar wind : Modifications in Parker's solution
37 mod07lec36 - Spherical accretion onto a compact object : Eddington luminosity and accretion rate
38 mod07lec37 - Spherical accretion onto a compact object : Solutions for flow properties
39 mod07lec38 - Spherical accretion (contd), disk accretion--Roche lobe overflow
40 mod08lec39 - Disk accretion : Mass conservation and vertical hydrostatic equilibrium
41 mod08lec40 - Disk accretion : Removal of angular momentum, Shakura-Sunyaev viscosity parameter
42 mod08lec41 - Disk accretion : Viscous dissipation and the energy equation, two-temperature criterion
43 mod08lec42 -Particle acceleration in astrophysical settings:Shocks & non-thermal energy distribution
44 mod08lec43 - Particle acceleration in astrophysical settings : Diffusive shock acceleration
45 mod09lec44 - Spherical blast waves : Bomb explosion and supernova explosion
46 mod09lec45 - Spherical blast waves : Sedov -Taylor solution
47 mod09lec46 - Spherical blast waves : Sedov - Taylor solution (contd.)
48 mod09lec47 - Magnetohydrodynamics (MHD) : Introduction
49 mod09lec48 - Magnetohydrodynamics (MHD) : The induction equation
50 mod10lec49 - Magnetohydrodynamics(MHD):Currents in MHD, momentum equation and magnetic stress tensor
51 mod10lec50 - Magnetohydrodynamics (MHD) : Magnetic stresses and magnetic buoyancy
52 mod10lec51 - Magnetohydrodynamics (MHD): Plasma beta, force-free fields and potential configurations
53 mod10lec52 - Magnetohydrodynamics (MHD) : Magnetic flux-freezing
54 mod10lec53 - Magnetohydrodynamics (MHD) : Magnetic flux-freezing (contd.), magnetic dynamos
55 mod10lec54 - Magnetohydrodynamics (MHD) : Dynamo theory
56 mod11lec55 - Magnetohydrodynamics (MHD) : Waves in MHD - Alfven waves
57 mod11lec56 - Magnetohydrodynamics (MHD) : Waves in MHD - Alfven waves and magnetosonic waves
58 mod11lec57 - Magnetohydrodynamics (MHD) : Waves in MHD - Magnetosonic waves
59 mod11lec58 - Magnetohydrodynamics (MHD) : Shocks in MHD
60 mod11lec59 - Magnetohydrodynamics (MHD) : Shocks in MHD - Shock jump conditions
61 mod12lec60 - Non-ideal MHD : Introduction to magnetic reconnection
62 mod12lec61 - Non-ideal MHD : Magnetic reconnection - The Sweet-Parker model
63 mod12lec62 - Non-ideal MHD : Magnetic reconnection - The Petscheck model
64 mod12lec63 - Sun's atmosphere : Solar corona and the coronal heating problem
65 mod12lec64 - Solar eruptions : Coronal Mass Ejections (CMEs) and solar flares