下吹式风洞
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blow down wind tunnel result 暂冲式风洞试验结果
·2,447,543篇论文数据，部分数据来源于NoteExpress
For a low speed blow down wind tunnel with semi-open test section, the effectiveness of main flow damper in rapidly changing test velocity is verified through experimental research.
通过实验研究证明了用主流阻尼器快速调节半开口直流式低速风洞的实验风速的可行性。
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