Chapter

Sensors

Volume 21 of the series Lecture Notes Electrical Engineering pp 287-305

Ultrasonic Sensing: Fundamentals and its Applications to Nondestructive Evaluation

  • Ikuo IharaAffiliated withDepartment of Mechanical Engineering, Nagaoka University of Technology

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Abstract

This chapter provides the fundamentals of ultrasonic sensing techniques that can be used in the various fields of engineering and science. It also includes some advanced techniques used for non-destructive evaluations. At first, basic characteristics of ultrasonic waves propagating in media are described briefly. Secondly, basic concepts for measuring ultrasonic waves are described with introductory subjects of ultrasonic transducers that generate and receive ultrasonic waves. Finally, specialized results demonstrating the capabilities of using a buffer rod sensor for ultrasonic monitoring at high temperatures are presented.

Keywords

Ultrasonic sensing transducers nondestructive evaluation