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本文阐述专用装置测量淹没非自由水射流作用在井底岩石表面(简称井底岩面)上的水力能量的方法及喷距、喷嘴数目与水力能量的关系,得到了最佳喷距为8～10倍喷嘴当量直径,以及减少喷嘴数目可以提高水力能量的结论。
This article describes the method of measuring the hydraulic energy of submerged non-free water jet on the rock bottom surface (referred to as the bottom rock surface) and the relationship between the number of nozzles and the number of nozzles and the hydraulic energy. The optimal jet pitch is 8 ~ 10 times the nozzle equivalent diameter, and reduce the number of nozzles can increase the hydraulic energy conclusion.