A relativistic method of evaluating the fields excited by an obliquely incident plane wave inside and outside a rotating cylinder of arbitrary cross section is presented. A differential formulation to the problem is developed in the comoving reference frame of the scatterer on a closed circular domain including the scatterer cross section. The related boundary conditions account for the far-field conditions through a series expansion of the total field on the domain contour. The differential problem is solved in the frequency domain, by considering one frequency component at a time. The present method allows for rotational speeds at which the quasi-stationary approach is definitely unsatisfactory
Electromagnetic interaction with a rotating cylinder of arbitrary cross section / R.D. Graglia;G. Pelosi;A. Freni;R. Coccioli. - STAMPA. - 4:(1992), pp. 1853-1856. (Intervento presentato al convegno IEEE Antennas and Propagation Society International Symposium 1992 Digest tenutosi a Chicago, IL nel 18-25 Jul 1992) [10.1109/APS.1992.221713].
Electromagnetic interaction with a rotating cylinder of arbitrary cross section
PELOSI, GIUSEPPE;FRENI, ANGELO;
1992
Abstract
A relativistic method of evaluating the fields excited by an obliquely incident plane wave inside and outside a rotating cylinder of arbitrary cross section is presented. A differential formulation to the problem is developed in the comoving reference frame of the scatterer on a closed circular domain including the scatterer cross section. The related boundary conditions account for the far-field conditions through a series expansion of the total field on the domain contour. The differential problem is solved in the frequency domain, by considering one frequency component at a time. The present method allows for rotational speeds at which the quasi-stationary approach is definitely unsatisfactory
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