Cross-posted at Highly Allochthonous I’ve got a shiny new Emriver Em2 river processes simulator (i.e., stream table), thanks to departmental equipment funds and enthusiastic colleagues. I’ve been on sabbatical this semester and away from campus, so I haven’t had a chance to play with it yet, but it is enticing …
How do rivers erode bedrock streams, during big floods, and in the presence of groundwater? Laboratory and accidental experiments are providing some cool new insights.
Boundary Layers and the no slip condition [youtube=http://www.youtube.com/watch?v=cUTkqZeiMow] Laminar Flow in a Pipe [youtube=http://www.youtube.com/watch?v=KqqtOb30jWs&NR=1] Turbulent Flow in a Pipe [youtube=http://www.youtube.com/watch?v=NplrDarMDF8&NR=1] Subcritical and supercritical flow over a weir (video courtesy of Little River Research and Design) Standing Waves [youtube=http://www.youtube.com/watch?v=rFOt-oOUzJY]