Review Article
Potential of Porous-Media Combustion Technology as Applied to Internal Combustion Engines
Figure 7
Examples of different 3D porous structures: (a) static mixer structure with small opening in surface (Al2O3); (b, c) frame structures (SiC); (d) low-density foam structure (ZrO2, 10 ppi); (e) high-density foam structure (ZrO2, 45 ppi); (f) high-density wire packing.