Vortex formation Free and forced vortex; point gauges to detect surface profiles Features - generation and investigation of free and forced vortices - different inserts for the water drain - surface profile visualisation using CFD technology - multimedia teaching material online in the GUNT Science Media Center: E‑Learning course, prepared CFD simulations, worksheets, videos Learning objectives/experiments - visualisation of various vortices - investigation of free and forced vortices - representation of surface profiles - comparison between measured and calculated profiles - determination of rotational speed GUNT Science Media Center, develop digital skills - E-Learning course with fundamental knowledge and calculations - prepared CFD simulations for surface profile visualisation - videos with detailed demonstration of the experiments: preparation, execution, evaluation - assured learning success through digital worksheets - retrieve information from digital networks Specification [1] generation and investigation of vortices [2] transparent tank allows visualisation of vortex formation [3] two nozzles for radial water supply (free vortex) [4] two nozzles for tangential water supply (forced vortex) [5] different inserts for the water drain to generate free vortex [6] impeller for generating a forced vortex [7] measuring ring for determining the rotational speed [8] point gauges detect the surface profile [9] flow rate determined by HM 150 base module [10] water supply using HM 150 base module or via laboratory supply [11] surface profile visualisation using prepared CFD simulations [12] digital multimedia teaching material online in the GUNT Science Media Center: E‑Learning course, prepared CFD simulations, worksheets, videos Technical data Tank - Ø inner: 240mm - height: 190mm 4 inserts for the water drain - diameter: 8, 12, 16 and 24mm Impeller with 3 blades Vertical point gauge: 6 movable rods Horizontal point gauge: 2 movable rods Measuring tube, movable - horizontal 0...90mm, vertical 70...190mm - diameter: 4mm LxWxH: 640x400x675mm Weight: approx. 18kg