摘要 |
A modified primary reactor for cyclic char burning engines is described wherein the reaction chamber cross sectional area increases in the direction of char fuel motion. Additionally air inlet ports are distributed along the length of the chamber in the direction of char fuel motion in order to supply oxygen to the char fuel reaction throughout the reaction chamber. Porous ceramic chips are mixed with the char fuel and function as air storage reservoirs during compression, and as air supply sources during expansion.
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