WOLFRAM SYSTEMMODELER

IsolatedPipe

Pipe without heat exchange

Wolfram Language

In[1]:=
Click for copyable input
SystemModel["Modelica.Thermal.FluidHeatFlow.Components.IsolatedPipe"]
Out[1]:=

Information

This information is part of the Modelica Standard Library maintained by the Modelica Association.

Pipe without heat exchange.
Thermodynamic equations are defined by Partials.TwoPortMass(Q_flow = 0).
Note: Setting parameter m (mass of medium within pipe) to zero leads to neglection of temperature transient cv*m*der(T).

Connectors (2)

flowPort_a

Type: FlowPort_a

Description:

flowPort_b

Type: FlowPort_b

Description:

Parameters (13)

medium

Value: FluidHeatFlow.Media.Medium()

Type: Medium

Description: Medium in the component

m

Value:

Type: Mass (kg)

Description: Mass of medium

T0

Value:

Type: Temperature (K)

Description: Initial temperature of medium

T0fixed

Value: false

Type: Boolean

Description: Initial temperature guess value or fixed

tapT

Value: 1

Type: Real

Description: Defines temperature of heatPort between inlet and outlet temperature

V_flowLaminar

Value:

Type: VolumeFlowRate (m³/s)

Description: Laminar volume flow

dpLaminar

Value:

Type: Pressure (Pa)

Description: Laminar pressure drop

V_flowNominal

Value:

Type: VolumeFlowRate (m³/s)

Description: Nominal volume flow

dpNominal

Value:

Type: Pressure (Pa)

Description: Nominal pressure drop

frictionLoss

Value: 0

Type: Real

Description: Part of friction losses fed to medium

dpNomMin

Value: dpLaminar / V_flowLaminar * V_flowNominal

Type: Pressure (Pa)

Description:

k

Value:

Type: Real (Pa·s²/m6)

Description:

h_g

Value:

Type: Length (m)

Description: Geodetic height (height difference from flowPort_a to flowPort_b)

Components (1)

medium

Type: Medium

Description: Medium in the component

Used in Examples (3)

ParallelCooling

Example: cooling circuit with parallel branches

ParallelPumpDropOut

Example: cooling circuit with parallel branches and drop out of pump

TwoMass

Example: cooling of two hot masses