A ‘bathtub drain vortex’ forms when two water bottles are connected vertically. The surface of the vortex is visualized by red lamp oil.May 22, 2015FlowVis@CU2015, 2015 Team First, Bathtub Drain, Flow Categories, Flow Vis Techniques, Images, Marked Area, Media, Rheoscopic Fluid, Vortex Side View, Vortexes, z Class & Assignment
Food dye emulsified in oil is pulled to the center of a vertical vortex.February 3, 2015FlowVis@CU2015, 2015 Get Wet, Bathtub Drain, Flow Categories, Flow Vis Techniques, Images, Marked Area, Media, Particle Tracks, Vortex Side View, Vortexes
Dye dropped onto a drain vortex in a 2 liter bottle forms cylindrical curtainsSeptember 24, 2014FlowVis@CU2014, 2014 Team Second, Bathtub Drain, Flow Categories, Flow Vis Techniques, Marked Area, Media, Videos, Vortex Side View, Vortexes, z Class & Assignment
A “bathtub vortex” is created by taping two bottles together. Air moving up the inside of the vortex allows water to spin smoothly down.January 24, 2014FlowVis@CU2014, 2014 Get Wet, Bathtub Drain, Flow Categories, Flow Vis Techniques, Media, Refractive Index, Videos, Vortex Side View, Vortexes, z Class & Assignment
