Blockage tests may make use of any shape model that is likely to be tested in the tunnel, though the more useful shapes are cone cylinders and hemishere cylinders.

尽管进行堵塞试验用的模型较为通用的外形是锥柱体的半球柱体，但任何能在风洞内进行试验的形状都可以用。

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Instead of the sonic nozzle, low supersonic nozzles have been utilized to solve the choking problem in transonic wind tunnel testing of high angle-of-attack and high blockage.

本文介绍用低超声速喷管代替声速喷管，解决了大迎角大堵塞度跨声速实验时的风洞壅塞问题。

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