Dashboard PAUT / Section 1: Ultrasound / Chapter 4: Basic Theory

Sound Energy Spreading

Energy spread

As the ultrasound wave travels through the part, its energy is distributed along a wider front.

  1. An ultrasound wave is emitted
  2. As the ultrasound wave propagates through the material, it spreads and its punctual energy level is reduced

The same phenomenon is encountered in PAUT for the individual waves. However, since the waves are phased, it is possible to obtain a high energy wave front in the focal zone.