The German THTR-300 reactor operated with air cooling:
replyhttps://en.wikipedia.org/wiki/THTR-300
But it was admittedly a huge cooling system for a reactor that only produced 750 megawatts of thermal energy.
https://en.wikipedia.org/wiki/THTR-300
But it was admittedly a huge cooling system for a reactor that only produced 750 megawatts of thermal energy.