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Details on Edit Section Part

Information on the Edit section part dialog in heating and cooling pipe network calculation.

The dialog allows you to influence the calculation by adding additional values to the calculated data and/or adjusting the maximum velocities individually. Values of the calculation dialog that change due to entries in the Edit section part are displayed in bold in the calculation dialog.

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Project tabDisciplineAnalyse tabCalculationSection partsEdit...

Applies to: Heating, Cooling.

Section part dialog Linear Analyse

Settings

Length, Height difference

The values are taken from the model. You can change the values here. Clicking resets the values to the constructed dimensions.

Pipe bends 90°, Pipe bends 45°

drawn: Shows the amount of constructed bends in this section part.

additional: Enter the amount of bends that are to be given out as additional material in the material list.

Constant pressure loss

Enter an additional pressure loss for this section part.

Ambient temperature

The ambient temperature is taken from the entry in the Settings dialog and can be edited for each section part. Clicking resets the value to the value from the configuration.

Maximum values (local)

R-value

If you want to assign a different maximum pipe friction pressure gradient to this section part, enter the value here. When entering 0, the maximum value from the global settings Basic conditions dialog is used.

Velocity

If you want to assign a different maximum velocity to this section part, enter the value here. When entering 0, the maximum value from the global settings Basic conditions dialog is used.

Simultaneity

Enter the simultaneity for this section part. The simultaneity is automatically assigned to the supply and return water pipes at the same time.

The simultaneity (f) is applied to the heat flow and the mass flow.

Q* = m* c (Tv-Tr)

With the peak heat flow and peak mass flow:

Q* = Q * f

m* = m * f

Reset

Resets all entries to the values calculated from the model.