Battelle Energy Alliance, LLC

Nicolas E Woolstenhulme

Joshua Daw

Lance A Hone

James R Parry

Colby B Jensen

An ultrasonic sensor comprises a transducer in operable communication with a power source, a waveguide comprising a metal and at least one of a fissile material or a fertile material in operable communication with the transducer and configured to propagate and reflect acoustic waves generated by the transducer, the transducer configured to convert reflected acoustic waves to an electric signal, a thermally insulative material proximate the waveguide, and a control system in operable communication with the transducer, the control system configured to determine at least a temperature of the waveguide based on the reflected acoustic waves. Related methods are also disclosed.

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Idaho Falls, ID, United States of America

Nicolas E Woolstenhulme