| 摘要 |
A fuel element (FE) arranged as a body made of burning material has cuts (grooves) provided at its height at the side of the upper end surface, at least part of cuts goes through conventional center of FE, depths of those makes a part of its height, it has igniter that preserves form before ignition. Ratio of its middle cross dimension and height is not more than 5:6. At the side of the end surface of the FE cuts (grooves) are provided. Total area of the grooves (in cross section of those) is not less that 5 % of area of the end surface. At the side of the upper end of the FE along its conventional axis special depression for igniter is provided. |
