Virtual reality development and simulation of BMI nozzle inspection system for use during regular refueling outage of APR1400 family of reactors

Compact Multi-Element Ultrasonic Transducer for Inspecting Split Pins in Nuclear Power Plants

“…Even if the transducer could reach these components, the ultrasonic beams could not cover the target inspection area because of the limited scanning space. Compact ultrasonic probes have emerged as a solution to this problem (Yoon et al, 2014;Erhard et al, 2001;Song et al, 2002;Kim et al, 2016b;Abdallah and Namgung 2018). Pajnić et al (Pajnić et al, 2009) developed a slim sword-like trinary probe with a pair of time-offlight diffraction (TOFD) transducers for the detection and sizing of circumferential and axial cracks in the 3 mm gap between the inner surface of the penetration nozzle and the thermal sleeve.…”