The 7th edition of the W.A.T.E.R. Summer School took place from the 24th-28th of July 2023 at the Obernach facility of TUM (Technical University München), under the auspices of the Experimental Method and Instrumentation committee of the IAHR.

This Summer School focused on experimental methods applied in different hydraulics fields. The participating students had the opportunity to discover, use and deepen their knowledge of a very wide range of advanced hydraulic measurement techniques: UVP, ADVP, ABS, OBS, Structure for Motion, LS-PIV etc

Five stations were prepared for the five participant groups to rotate; half a day per setup:

• Acoustic velocity measurement methods for the lab presented on a small plexi flume, with a part without free surface and a horizontal cylinder. With the UB-Lab P UVP and two 3MHz transducers, students were managing installation, parameters, seeding, and post-processing to get 2C monostatic velocity profiles. They were then able to get vorticity and drag force information.
• PIV on a quasi identical setup as the UVP
• LS-PIV on a physical model
• Structure for motion with a smartphone camera on another physical model with moving sediment bed
• ADVP, ABS, OBS and spectrometer measurements on an outdoor flume, with direct water from the river.