OMC

modelPartialStraightPipe

Base class for straight pipe models

Diagram of PartialStraightPipe

Extends from Modelica.Fluid.Interfaces.PartialTwoPort (Partial component with two ports).

Information

Base class for one dimensional flow models. It specializes a PartialTwoPort with a parameter interface and icon graphics.

Parameters

Type	Name	Default	Description
SI.Volume	V	crossArealengthnParallel	Volume size
Assumptions
Boolean	allowFlowReversal (from PartialTwoPort)	system.allowFlowReversal	= true to allow flow reversal, false restricts to design direction (port_a -> port_b)
Geometry
Real	nParallel	1	Number of identical parallel pipes
SI.Diameter	diameter		Diameter of circular pipe
Modelica.Fluid.Types.Roughness	roughness	2.5e-5	Average height of surface asperities (default: smooth steel pipe)
General › Geometry
SI.Length	length		Length
Boolean	isCircular	true	= true, if cross sectional area is circular
SI.Area	crossArea	Modelica.Constants.pidiameterdiameter/4	Inner cross section area
SI.Length	perimeter	Modelica.Constants.pi*diameter	Inner perimeter
Static head
SI.Length	height_ab	0	Height(port_b) - Height(port_a)

Connectors

Type	Name	Default	Description
Modelica.Fluid.Interfaces.FluidPort_a	port_a (from PartialTwoPort)		Fluid connector a (positive design flow direction is from port_a to port_b)
Modelica.Fluid.Interfaces.FluidPort_b	port_b (from PartialTwoPort)		Fluid connector b (positive design flow direction is from port_a to port_b)

Components

Type	Name	Default	Description
Modelica.Fluid.System	system (from PartialTwoPort)		System wide properties

Contents

Name	Description
FlowModel