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The Determination of Hydraulic Transient Process With Negative Pressure

Sha Xiujie Yang Yusi  
This paper describes a simple method for measuring the pressure oscillation curves with negative valucs.The measuring device is composed mainly of a pressure transducer and a oscillograph.this method is analysed quantitatively on its accuracy and limitation in its applications according to measurement theory and characteristics of hydrodynamic trasition process. And the conclusion from such a analysis is proved by the pressure oscillation curves obtained from experiments.
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