3 Results Found

Advanced Search

Select all

Results per page

Select all

Article

6 Citations

2,330 Views

16 Pages

Physical Simulation of Ultrasonic Imaging Logging Response

Junqiang Lu,
Jiyong Han,
Jinping Wu,
Xiaohua Che,
Wenxiao Qiao,
Jiale Wang and
Xu Chen

Sensors2022, 22(23), 9422;https://doi.org/10.3390/s22239422

-

2 December 2022

Ultrasonic imaging logging can visually identify the location, shape, dip angle and orientation of fractures and holes. The method has not been effectively applied in the field; one of the prime reasons is that the results of physical simulation expe...

Full Article

Article

8 Citations

2,970 Views

16 Pages

Validation of Novel Ultrasonic Phased Array Borehole Probe by Using Simulation and Measurement

Prathik Prabhakara,
Frank Mielentz,
Heiko Stolpe,
Matthias Behrens,
Vera Lay and
Ernst Niederleithinger

Sensors2022, 22(24), 9823;https://doi.org/10.3390/s22249823

-

14 December 2022

Low-frequency ultrasonic testing is a well-established non-destructive testing (NDT) method in civil engineering for material characterization and the localization of cracks, reinforcing bars and delamination. A novel ultrasonic borehole probe is dev...

Full Article

Article

8 Citations

2,264 Views

16 Pages

Ultrasonic Quality Assurance at Magnesia Shotcrete Sealing Structures

Vera Lay,
Ute Effner,
Ernst Niederleithinger,
Jennifer Arendt,
Martin Hofmann and
Wolfram Kudla

Sensors2022, 22(22), 8717;https://doi.org/10.3390/s22228717

-

11 November 2022

Engineered barriers are a key element to enable safe nuclear waste disposal. One method currently under research for their construction is magnesia concrete applied in a shotcrete procedure. In this study, the ultrasonic echo method is evaluated as a...

Full Article