Pipe Pressure Drop Calculations from Pipe Flow Software
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Tuesday 7th April 2020   
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Pipe Flow 3D - Fluid Database

PipeFlow 3D comes with its own Fluid Database and Fluid Data Editor.

PipeFlow comes with a default set of data for well known fluids.
The fluid entries can be amended by using the new entry, edit entry and delete entry options.
Pipe Flow 3D, pressure drop and pressure loss calculations on a network of pipes.

Pipe Flow 3D, pressure drop and pressure loss calculations on a network of pipes.

Buy Pipe Flow 3D to calculate pressure drops for known flow rates

[ Now superseded by
          Pipe Flow Expert
]
Note: The fluid data listing contains viscosity information in Centistokes. This is a common method of expressing viscosity. Usually the Centistokes value has been converted from some timed test methods of establishing viscosity, such as Redwood 1 (Britain), Saybolt Seconds Universal SSU (U.S.A.) or degree Engler (Germany).
Pipe Flow 3D, pressure drop and pressure loss calculations on a network of pipes.
The S.I. units for Centistokes are:

1 Centistoke = 1 mm² /s = 10-6 m² /s
This is known as Kinematic Viscosity.


Centipoise is an another method of expressing viscosity.
The S.I. units for Centipoise are:
1 Centipoise = 1 mPa s = 10-3 Pa s
This is known as Absolute Viscosity.

Care must be taken to enter the viscosity in the appropriate Viscosity Units when entering new fluid data.
Pipe Flow 3D, pressure drop and pressure loss calculations on a network of pipes.
Viscosity Relationship

Kinematic Viscosity = Absolute Viscosity / Fluid density
Where the fluid density is Relative Density (to Water) = 1000 kg / m3 = 1 kg / litre = g / cm3

Approximate viscosity equivalents

A listing of some approximate viscosity equivalents is included to assist the user in converting from various viscosity scales to Centistokes.


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  Pipe Flow Software: Piping design & pressure drop calculations from www.pipeflow.co.uk Copyright © Daxesoft Ltd. 1994 - 2020, All rights reserved.