Lecture 12: Review of basic equations. The equations of energy.

Conservation of mass, momentum, and mechanical energy. Conservation of energy for a barotropic fluid. The perfect gas. Basic thermodynamics. The first and second laws of thermodynamics. Various forms of the energy equation. Isentropic flow.

Suggested reading:

• Batchelor 20-28.
• Courant  & Friedrichs 1-10.
• L & L 9-10
• Notes pages 1-7