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The article describes the challenge of configuring a test rig to measure the pure tap water flow rate in pipes with small internal diameters (up to 3 mm) and lengths of up to 3 m, within the range of the pressure drop in pipes up to 25 MPa. The effects of this configuration on the flow characteristics in the pipes are presented. Differences were found in the measurements for the system with and without the hydraulic accumulator. An empirical formula was also proposed to calculate the water flow rate in pipes depending on the pipe diameter and its length.

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High-Pressure Water Mini-Hydraulics. Problems of Experimental Research Into the Flow in Pipes in the Range of Large Pressure Drops

  • 会议论文

  • 发表日期：

    2026年

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  • Paweł Śliwiński,
  • Kamil Urbanowicz

摘要

The article describes the challenge of configuring a test rig to measure the pure tap water flow rate in pipes with small internal diameters (up to 3 mm) and lengths of up to 3 m, within the range of the pressure drop in pipes up to 25 MPa. The effects of this configuration on the flow characteristics in the pipes are presented. Differences were found in the measurements for the system with and without the hydraulic accumulator. An empirical formula was also proposed to calculate the water flow rate in pipes depending on the pipe diameter and its length.