E-Fluids
Good educational site for fluid dynamics (with an impressive gallery of flow images)
Image Gallery - Laminar/Turbulent Flows
Another impressive gallery of flow visualization images, this time from the University of Iowa
Fischer, Hugo, John List, C. Robert Koh, Jorg Imberger, and Norman Brooks. Mixing in Inland and Coastal Waters. San Diego, CA: Academic Press, 1979. ISBN: 0122581504.