A method that can be used to design, manufacture and test the contraction section of a wind tunnel is presented.

介绍了一种简洁有效的低速风洞收缩段的设计、加工以及校验的方法。

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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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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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