Experimental data was collected by measuring wall pressure.

采用测量膨胀面壁面压强的方法得到试验数据.

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The unsteady aerodynamic and moment characteristics of the models and the unsteady wall pressure are measured.

研究中测量了模型的气动力及力矩特性,同时测量了风洞的非定常壁压.

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The method of proper orthogonal decomposition was used in the investigation of wall pressure fluctuation.

介绍了正交分解法在脉动壁压研究中的应用.

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Total length of linked production pipes are about 1500 7000 m , side wall pressure is over 20 MPa.

采油油管连接长度约1500～7000m, 管壁承压20MPa以上,管子内外壁受油、泥严重污染,各类缺陷多,危害大.

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