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Hydraulic Design Tool

These on-line programs can be used by designers of water supply, sewerage, irrigation or industrial pipelines and can be used as an alternative to Flow Resistance charts. They allow the registered user to select a suitable pipe from the Iplex Pipelines range to meet the hydraulic requirements of any single pipeline.

There are three separate calculation procedures, including pressure gravity pipeline, non-pressure gravity pipeline, and pumped pipeline applications.

You must register and subscribe to the Iplex Design Tools mailing list to be able to use these calculators. To unsubscribe at any time, email design@iplexpipelines.com.au including the words "unsubscribe hydraulic design tool" in the subject field. Register / login.

Hydraulic Flow Calculations

This program can be used by designers of water supply, sewerage, irrigation or industrial pipelines, and has been made available as an alternative to using Flow Resistance Charts. It allows the user to select a pipe from the Iplex Pipeline range suitable to meet the hydraulic flow requirements of any single pipeline.

There are three separate calculation procedures shown on three pages as follows:
 

  1. For a non pressure pipe laid on a specific grade along its length where the fluid flows under gravity. In this case partial flows are not considered and the results given are only for pipelines flowing full. 

  2. For a pressure pipeline which may rise and fall along its length but where the fluid flows under gravity.

  3. For a pressure pipeline which may rise and fall along its length, where the fluid is pumped.

Note that no allowances have been made for entry, exit or fittings losses.

The program can be run as follows:

Inputs:

  •  select the pipe material
  •  select the nominal diameter
  • select the pipe class
  • enter the Required Flow Rate
  • accept or change the Colebrook-White Roughness default value (refer to help (?) if necessary)
  • accept or change the Kinematic Viscosity default value for water at 20°C (refer to help (?) if necessary)
  • enter the reduced levels at the start (source) and end (discharge) of the pipeline and the length of the pipeline. Note that the reduced levels should be taken at the free fluid surface for fluids in tanks (or storages) or at the pipe centreline if the pipeline discharges above the free surface. 

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