**[Cr:4, Lc:3, Tt:1, Lb:0]**

Knowledge of the content of **PHY301**, **PHY303** and **PHY310** is
essential to follow this course.

- Ideal fluids: Conservation of mass and the equation of continuity, Euler's equation, hydrostatics, energy and momentum flux, potential flow, incompressible fluids. Waves in an incompressible fluid.
- Viscous fluids: Equation of motion, energy dissipation in an incompressible fluid. Reynolds numbers. Laminar wake.
- Turbulence: Stability of flows, instability of tangential discontinuities, transition to turbulence. Description of turbulent flows using correlation functions. Turbulent flow and the phenomenon of separation with examples.
- Thermal conduction in fluids, heat transfer in a boundary layer, heating of a body in a moving fluid, convection.
- Diffusion: The equations of fluid dynamics for a mixture of fluids, diffusion of suspended particles in a fluid.
- Surface phenomena like capillary waves.
- Sound: Sound waves, the energy and momentum of sound waves, reflection and refraction, propagation of sound in a moving medium, absorption of sound.
- Shocks: Propagation of disturbances in a moving gas, surfaces of discontinuity, junction conditions, thickness of shock waves.
- One dimensional gas flow: flow of gas in a pipe, flow of gas through a nozzle, one-dimensional travelling waves, characteristics and Riemann invariants.
- Physics of strong explosions, Sedov-Taylor solution.

- L. D. Landau and E. M. Lifshitz, Fluid Mechanics: Volume 6 (Course of Theoretical Physics), Butterworth-Heinemann (1987).
- G. K. Batchelor, An Introduction to Fluid Dynamics, Cambridge University Press (2000).