Title :
Cylindrical geometry electroquasistatic dielectrometry sensors
Author :
Shay, I.C. ; Zahn, M.
Author_Institution :
Jentek Sensors Inc., Waltham, MA, USA
Abstract :
Semi-analytical models are used to simulate the response of cylindrical geometry electroquasistatic dielectrometry sensors. Fourier-Bessel series methods in combination with collocation point numerical techniques are used to generate accurate sensor simulations. The validity of the model is confirmed experimentally, where the combined response of two circularly symmetric dielectric sensors with different depths of penetration is used to simultaneously measure the permittivity and liftoff of a dielectric from the sensor surface.
Keywords :
Fourier series; electric sensing devices; permittivity measurement; Fourier-Bessel series; collocation point technique; cylindrical geometry; dielectric lift-off; electroquasistatic dielectrometry sensor; numerical simulation; penetration depth; permittivity measurement; semi-analytical model; Dielectric measurements; Electric potential; Electrodes; Electrostatics; Geometry; Laplace equations; Numerical models; Permittivity measurement; Rotation measurement; Solid modeling;
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 2002 Annual Report Conference on
Print_ISBN :
0-7803-7502-5
DOI :
10.1109/CEIDP.2002.1048752
