Engineering
Disc brake and heat
Spin the disc, disconnect the motor and brake. Compare friction, stopping and heat; keep the motor on to study sustained heating.
The model and its limits
Coulomb brake: τ ≤ μ N r. Total N includes both pads. Heat is accumulated in a 10 kg iron rotor with lumped cooling; no fade or detailed temperature field.
Equations used in the module
Equations |τbrake| ≤ μ N r; E = I ω²/2; C dT/dt = P − H(T − 20)
