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  1 - Investigation and sensitivity analysis of indicators affecting the dynamic pressure of GRP pipes in water supply designs (Case study: Songhar water supply plan)
  Mohammadamin Gandomi sara Amirzadeh Roozbeh Aghamajidi Nooredin Bazgir
  Unsteady currents in pipes can occur in various forms, one of which is the unsteady current of damping, which is called Surge shock.These currents are in the form of pressure waves and if not controlled in some way, can cause irreparable damage to the pipeline. In the p More

  Unsteady currents in pipes can occur in various forms, one of which is the unsteady current of damping, which is called Surge shock.These currents are in the form of pressure waves and if not controlled in some way, can cause irreparable damage to the pipeline. In the present study, the ram phenomenon was introduced and the effects of different parameters, pipe thickness and diameter, different flow velocities on the dynamic loads due to the occurrence of ram impact were investigated.Finally, it was observed that under the same conditions, the effect of pipe material is 25% effective in reducing the maximum impact. The maximum impact increase is about 1% due to a very small increase in pipe thickness. Doubling the moment of inertia reduces the maximum impact pressure by about 42%, which has been investigated using Water Hammer software. Manuscript profile