This paper analyzes the influence of the test device cycling characteristic for fluid dynamic characteristic on the pulsation pressure measurement in seawater pipeline system.
分析了流体动态特性实验台架本身的自循环特性对海水管路系统中脉动压力测量的影响。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
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