B-12 Flameless燃焼を採用した低カロリーガス対応小型燃焼器の開発 : 化学反応を考慮した熱流体解析による検討(燃焼・燃焼器II,一般講演)

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This paper describes development of a compact Flameless Combustor for low-calorific fuel. In order to reduce the size of a combustor, CFD with chemical reactions analysis was adapted to the combustor developed previously in our laboratory, and the flow field and the reaction field were clarified. As the result, the following have been understood; The combustor is able to be minimized if burned gases from previous stage induces the latter stage combustion by utilizing the mixing zone more effectively; To strengthen the rotation of burned gases is effective in order to promote the mixing of burned gases and premixed gases. In addition, the fact that it was effective for swirling flame stabilization of the primary stage with the partition plate because cold air from latter stage could not flow into the primary stage was confirmed.
2006-10-01