Ultrasonic pigs measure how long it takes sound waves to bounce back from pipe walls in order to gauge the walls» thickness. (discovermagazine.com)
The coupons would be installed in the water supply system to monitor the concentration of the pollutant absorbed onto the like pipe walls. (sciencedaily.com)
A pair of autonomous robots developed by Carnegie Mellon University's Robotics Institute will soon be driving through miles of pipes at the U.S. Department of Energy's former uranium enrichment plant in Piketon, Ohio, to identify uranium deposits on pipe walls. (sciencedaily.com)