Chapter 11: Energy, power flow, and forces (PDF)
11.0 Introduction
- Power flow in a circuit
- Overview
11.1 Integral and differential conservation statements
11.2 Poynting’s theorem
- Systems composed of perfect conductors and free space
11.3 Ohmic conductors with linear polarization and magnetization
- An alternative conservation theorem for electroquasistatic systems
- Poynting power density related to circuit power input
- Poynting flux and electromagnetic radiation
11.4 Energy storage
- Energy densities
- Energy storage in terms of terminal variables
11.5 Electromagnetic dissipation
- Energy conservation for temporarily periodic systems
- Induction heating
- Dielectric heating
- Hysteresis losses
11.6 Electrical forces on macroscopic media
11.7 Macroscopic magnetic forces
- Reciprocity conditions
- Finding the coenergy
- Evaluation of the force
- The torque of electrical origin
11.8 Forces on macroscopic electric and magnetic dipoles
- Force on an electric dipole
- Force on electric charge derived from energy principle
- Force on a magnetic charge and magnetic dipole
- Comparison of Coulomb’s force to the force on a magnetic dipole
11.9 Macroscopic force densities
- The Lorentz force density
- The Kelvin polarization force density
- The Kelvin magnetization force density
- Alternative force densities
11.10 Summary
| DEMONSTRATION TOPICS |
VIDEOS - SHORT FORM |
VIDEOS - LONG FORM |
|---|---|---|
| 11.6.2: Force on a liquid dielectric (Courtesy of Education Development Center, Inc. Used with permission.) | Chapter 11.6.2: Force on a Liquid Dielectric (demo only) | Chapter 11.6.2: Force on a Liquid Dielectric |
| 11.7.1: Steady state magnetic levitation | Chapter 11.7.1: Steady State Magnetic Levitation (demo only) | Chapter 11.7.1: Steady State Magnetic Levitation |
