Abstract
Electro-impulse de-icing (EIDI) system has become one of the important part of aviation de-icing technology, because of its advantages in low power consumption, light weight, convenient maintenance, well reliability, little expense and so on. Electrodynamics analysis is the fundamental basis of the EIDI system design, providing impulse force characteristics for the ensuing stage of structural dynamics analysis and icing region prediction. Since electrodynamics analysis deals with the coupling of electric field, magnetic field and structure deformation, it is incontinent to setup mathematical-physical model close to reality. Therefore, the present work developed a prototype of EIDI system, and investigated the impulse force characteristics experimentally. The feasibility and validity of the EIDI prototype has been verified, and the effect of charging voltage, coil-to-skin gap, skin thickness and conductivity onto the maximum impulse force with has been studied. Moreover, a correlation between the maximum impulse force and the induced peak current intensity is proposed.
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