recordPipeGeo

Geometry parameters for a tube

Information

These parameters are needed to specify the geoemtry of a pipe:

Author:	Haiko Steuer	SCD
Checked by:
Protection class:	public

License, Copyright and Disclaimer

Licensed by Siemens AG under the Siemens Modelica License 2

Copyright 2007-2012 Siemens AG. All rights reserved.

This Modelica package is free software and the use is completely at your own risk; it can be redistributed and/or modified under the terms of the Siemens Modelica License 2. For license conditions (including the disclaimer of warranty) see Siemens Modelica License 2 .

Parameters

Type	Name	Default	Description
Integer	Nt	1	Number of parallel tubes
SI.Length	L	1	Length of tube
SI.Length	H	0	Height difference between outlet and inlet
SI.Length	d_out	0.038	Outer diameter of the tube
SI.Length	s	0.003	Thickness of the wall
SI.Length	r	0.03e-3	Inner roughness (friction coefficient) of the wall
Real	zeta_add	0	Additive friction loss coefficient (for bendings)
Boolean	isCylindric	true	assume circular (NOT quadratic) inner cross sectional area
Automatically filled
SI.Area	A	(if isCylindric then 0.25Modelica.Constants.pi else 1.0)(d_out - 2*s)^2	inner cross sectional area

Revisions

December 2006, added by Haiko Steuer