PrescribedHeatFlow

Prescribed heat flow boundary condition

    PrescribedHeatFlow

Library

Modelica/Thermal/HeatTransfer/Sources

Description

This model allows a specified amount of heat flow rate to be "injected"into a thermal system at a given port. The amount of heatis given by the input signal Q_flow into the model. The heat flows into thecomponent to which the component PrescribedHeatFlow is connected,if the input signal is positive.

If parameter alpha is <> 0, the heat flow is multiplied by (1 + alpha*(port.T - T_ref))in order to simulate temperature dependent losses (which are given with respect to reference temperature T_ref).

Parameters

PrescribedHeatFlow_0

NameLabelDescriptionData TypeValid Values

mo_T_ref

T_ref

Reference temperature

Scalar

mo_alpha

alpha

Temperature coefficient of heat flow rate

Scalar

PrescribedHeatFlow_1

NameLabelDescriptionData TypeValid Values

mo__nmodifiers

Number of Modifiers

Specifies the number of modifiers

Number

mo__modifiers

Modifiers

Add new modifier

Structure

mo__modifiers/varname

Variable name

Cell of strings

mo__modifiers/attribute

Attribute

Cell of strings

'start'
'fixed'

mo__modifiers/value

Value

Ports

NameTypeDescriptionIO TypeNumber

Q_flow

implicit

input

1

port

implicit

output

1

See Also