%0 Journal Article %T The influence of coil parameters and core lamination factor on the performance of an ultrasonic transducer with a tapered core %A Gandomzadeh, Danial %A Abbaspour-Fard, M. Hossein %A Rohani, Abbas %A Mostafa Sharifi %J International Journal of Numerical Modelling: Electronic Networks, Devices and Fields %@ 0894-3370 %D 2022