Potentiality of a velocity profiler to investigate sewers: results of laboratory experiments

Abstract

Sewer inspections are usually done with CCTV. For a decade, emerging techniques have been developed and drones seem to offer new opportunities. The use of a velocity profiler is investigated in this study in order to identify and quantify velocities distributions created by lateral connection along a pipe. Disturbances created by such connections are detectable but further investigations are required to quantify the discharge from the lateral connection.