On: Building Nikola Tesla's Bladeless Turbine [video]

FWIW another design tried ~15 years ago was humdinger energy.

http://web.archive.org/web/20100305210816/http://www.humding...

Later on before they shut down they were selling kids kits of the windbelt idea: https://www.vernier.com/files/kidwind/humdinger_windbelt_man...