Another boundary layer experience last week: On my way from work I stopped to take pictures of flags that were outside my university’s main building and that very nicely visualised the wind field (as flags tend to do). If you just look at the flags, they look weird — they wind field was clearly not changing over […]
Another early morning crossing this bridge. And the current and the sun glint were perfect for this kind of photos:They almost look like schlieren photography images in those super old papers, don’t they? And I find it extremely fascinating how you can see the boundary layer between the flow and the stagnant water, and how wind […]
