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对在双通道旋流燃烧器出口加装不同形状的钝体进行了冷态试验研究，比较了不同钝体对旋流燃烧器出口空气动力场的影响，找到了合理的钝体形式。
The cold state of bluff bodies with different shapes added at the outlet of dual-channel swirl burners was studied. The influence of different bluff bodies on the aerodynamic field of swirling burner outlet was compared and a reasonable bluff body shape was found.