I've found this video about the "Natural Supercritical Water"...
You may also enjoy the article of Andrea Koschinsky and Cols. "Hydrothermal venting at pressure-temperature conditions above the critical point of seawater, 5°S on the Mid-Atlantic Ridge".
Saturday, 15 May 2010
Saturday, 1 May 2010
The supercritical charge facilitates short ignition delay and fast combustion, with the energy released focused just on pushing the piston down. The fast combustion minimizes crevice burn and partial combustion near the cylinder walls, and prevents droplet diffusion burn.