402179.fig.0011a
(a)
402179.fig.0011b
(b)
Figure 11: AE detection on a 1/2′′ CT specimen. (a) Geometry of the specimen and arrangement of transducers; (b) a snapshot of the actual specimen. AE PWAS are circled (rest are for active sensing). The R15I was installed on the other side of the specimen.