Source/Sink Flow (Incompressible Potential Flow)

From a channel Lumen includes in full: Josh (an aerospace engineer) teaches compressible flow, panel methods, nozzles and schlieren imaging with derivations and MATLAB code, plus build guides for lab apparatus.

A 10-minute video from JoshTheEngineer's catalogue; the title names its topic.

Video by JoshTheEngineer, played through YouTube's embedded player.