首页> 外文会议>ASME Joint US-European Fluids Engineering Division summer meeting;FEDSM2010 >A SEMI-EMPIRICAL METHOD TO DETERMINE THE SPEED OF SOUND AND ATTENUATION FACTOR IN A CONFINED FLUID
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A SEMI-EMPIRICAL METHOD TO DETERMINE THE SPEED OF SOUND AND ATTENUATION FACTOR IN A CONFINED FLUID

机译:确定密闭流体中声速和衰减因子速度的半实证方法

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摘要

A simple semi-empirical method is presented for calculating the speed of sound and attenuation factor for an unknown medium enclosed in a pipe. This method is based on the calculation of four-pole matrix parameters. It can be used in connection with transient or steady state excitation. The material presented is limited by the fact that no ideal measurement process exists. This limitation is significant when gathering attenuation factor and speed of sound data over a wide frequency range. However, the results, which are easily obtainable, are more than sufficient in solving daily engineering problems.
机译:提出了一种简单的半经验方法,用于计算封闭在管道中的未知介质的声速和衰减因子。该方法基于四极矩阵参数的计算。它可以与瞬态或稳态励磁结合使用。所提供的材料受到不存在理想测量过程这一事实的限制。在较宽的频率范围内收集衰减因子和声音数据的速度时,此限制非常重要。但是,可以轻松获得的结果在解决日常工程问题方面绰绰有余。

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