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本文对末端为容腔和节流孔的简单管路提出了一套对谐振频率和峰值的估算方法。估算结果与按精确模型算得的结果进行了比较,其误差不大于8.4％,对工程设计有一定指导意义。
In this paper, a set of methods to estimate the resonance frequency and peak value is proposed for the simple pipe end with cavity and orifice. The results are compared with those calculated according to the exact model. The error is no more than 8.4%, which is of guiding significance to engineering design.