1. Physics 52 - Heat and Optics Dr. Joseph F. Becker Physics Department San Jose State University © 2003 J. F. Becker

2. Chapter 18 The Second Law of Thermodynamics

3. Fig. 18-1 Schematic energy-flow diagram for a heat engine.

4. Fig. 18-2 Cycle of a four-stroke internal-combustion engine: intake, compression, power, exhaust.

5. Fig. 18-3 The pV diagram for the Otto cycle, an idealized model of the thermodynamic processes in a gasoline engine.

6. Fig. 18-4 The pV diagram for the idealized Diesel cycle.