Tesla Turbine
what if you employed
magnets fields to enhance rotation speeds
employed the Coriolis force effect
to increase the drag force on the disks, roughen the surface, that is increase the coeffient of friction
the friction on the disk should vary, rougher at larger radius, then gradually smoother towards the center
Just use water/steam, adding a different liquid wouldn't increase the efficiency
“…deriving energy from a fluid, such as pistons, paddles, vanes and blades, necessarily introduces numerous defects and limitations and adds to the complication, cost of production and maintenance of the machines.” (Nikola Tesla, Turbine, US Patent Office 1,061,206, p. 1)
Tesla Turbine Kits
References
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Tesla, N., 1913, “Turbine,” U.S. Patent No. 1,061,206