![French Washing Machine header](/3890806/header_image-1648798279.jpg?t=eyJ3aWR0aCI6ODQ4LCJmaWxlX2V4dGVuc2lvbiI6ImpwZyIsIm9ial9pZCI6Mzg5MDgwNn0%3D--a36e25b3c30809ec9bab13e37fe1fefcb4b58eee)
French Washing Machine
![Karman swirling ow apparatus](/3865093/original-1646206212.jpg?t=eyJ3aWR0aCI6MjQ2LCJvYmpfaWQiOjM4NjUwOTN9--dc2e6bd5d65c022d9779481193d709cd0694f90c)
Karman swirling ow apparatus
The GTF3 generates high Reynolds number turbulent water flows between two counter-rotating baffled disks (the von Karman flow). The apparatus is of cylindrical shape with an inner diameter of 0.5 m and height of 0.63 m. The diameters of the propellers are 0.25 m. Each of the propellers is driven by a 7.5 kW 3-phase AC motor.