Shear Stress in Spiral-Pancake Solenoid Magnet Coils

摘要

Mechanical stresses in solenoid magnet coils are generally calculated using equations based on an axi-symmetric coil model. This model lacks sufficient detail to allow computation of shear stresses which must exist in any coil wound with helical turns. An analysis is presented which yields the differential equations describing the state of stress in a pancake coil. Simple approximate solutions are presented which allow the calculation of shear stresses in various regions of a coil. (ERA citation 05:007899)