燃焼室壁面みぞ形保炎器の実験的研究

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  • Experimental Investigation of Recessed Wall Flameholders
  • ネンショウシツ ヘキメンミゾケイホエンキ ノ ジッケンテキ ケンキュウ

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抄録

For the design of ramjet combustor, the characters of flameholders are very important. By L.W Huellmantel's experiment, it is sure that recessed wall flameholders have smaller pressure drop and wider range of flame stabilization than bluff body flameholders. The authors investigated this before applying the recessed wall flameholder to the ramjet combustor. Namely, they were able to know that the flame-holding mechanism by the grooves was alike that by the bluff body flameholders, and experimented on the relation between the width of grooves and their flame stability limits. The result is that l/h=5 is the best condition, where l is the width and h is the depth of the groove.

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