METHOD OF DEGAUSSING SHIP AND DEGAUSSING RIG FOR REALIZATION OF THIS METHOD Russian patent published in 1997 - IPC

FIELD: shipbuilding; protection of ships against non-contact magnetic mines. SUBSTANCE: during cruising of ship, her external static field is compensated for and degaussing rig is switched on when magnitude of average mechanical stresses acting in ferromagnetic hull ship exceeds preset limiting value and stability of magnetic state of hull is impaired. Average magnitude of mechanical stresses is determined as arithmetical mean of readings of at least 8 strain gauges smoothly distributed along length of hull. Degaussing rig is provided with automatic switch in degaussing rig coils, comparison unit, adder and strain gauges. EFFECT: improved ecological parameters of ship reduction of power requirement for degaussing rig by about two times. 3 cl, 1 dwg