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Erosive Wear Mitigation Using 3D-Printed Twisted Tape Insert Under Liquid-Solid Flow.

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Summary
This summary is machine-generated.

This study shows that twisted tape inserts significantly reduce pipe erosion in liquid-solid flows. A four-twist tape with perforations was most effective, reducing erosion by 45% and extending pipe life.

Keywords:
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Area of Science:

  • Materials Science
  • Fluid Dynamics
  • Mechanical Engineering

Background:

  • Pipe erosion is a significant issue in industries handling abrasive slurries.
  • Existing methods to mitigate erosion can be costly or inefficient.
  • Novel insert designs are needed to enhance pipe longevity.

Purpose of the Study:

  • To investigate the effectiveness of twisted tape inserts in reducing pipe erosion.
  • To compare the performance of different twisted tape configurations.
  • To analyze the impact of twisted tape inserts on liquid-solid flow erosion.

Main Methods:

  • Three twisted tape inserts (one twist, four twists, perforated four twists) were 3D printed.
  • Experiments were conducted using PVC pipes, carbon steel, and silica sand-water slurries (1-5% concentration).
  • Computational Fluid Dynamics (CFD) with the discrete phase model (DPM) was used for simulation and analysis.

Main Results:

  • All tested twisted tape inserts reduced erosion rates compared to plain pipes.
  • The one-twist tape reduced erosion by 18%.
  • The four-twist tape reduced erosion by 39%.
  • The perforated four-twist tape achieved the highest erosion reduction of 45%.

Conclusions:

  • Twisted tape inserts are a viable solution for mitigating pipe erosion.
  • The perforated four-twist tape design offers superior erosion protection.
  • Implementing these inserts can significantly increase the service life of pipes in abrasive flow environments.