但是进气道内气流分离的区域和出口截面流场畸变指数却与侧滑角的大小密切相关。

But the regions of local flow separation and distortion factor of the flow at the exit section are relevant closely to the yaw angle.

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在吊舱进气道进口安装扰流板进行试验，研究扰流板进气畸变的影响因素及总压畸变特征。

Characteristics and influence factors of total pressure distortion are studied based on tests conducted on a disturbed board installed in the nacelle inlet.

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改型进气道减小了输出轴背风侧的分离和迎风侧的转弯损失，使其既保持了高总压恢复系数，且畸变指数最大降低了74%。

By modifying, the separation zone behind the shaft and turn loss at upwind side are all reduced. Modifying inlet maintains high pressure recovery, and the distortion index is reduced by 74% at most.

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