标准摘要
[中文适用范围]： 描述了测量液体流动产生的声压级的方法。定义了实验室测量空气传播声音所需的设备、方法和程序，以确定由于噪声开始而导致的噪声特征增加。 [外文原描述]： Provides a method for measuring the sound-pressure level due to liquid flow through a control valve, and the characteristic increase in noise due to cavitation.
英文名称Industrial-process control valves - Part 8: Noise considerations - Section 2: Laboratory measurement of noise generated by hydrodynamic flow through control valves