modelSISOFlow_nonConstArea

SISOFlow considering dynamic effects due to different inlet/outlet cross sectional areas

Extends from ThermofluidStream.Utilities.DropOfCommonsPlus (Extend this to use 'dropOfCommons', 'instanceName', 'displayInstanceName' and 'displayParameters').

Information

Extended version of SISOFlow to restore Bernoulli's principle (change of static pressure due to change of velocity), i.e. diffusors (different crosssectional area of inlet and outlet).

p_out = p_in + dq + dp

Change of static pressure due to change of velocity dq:

dq = rho/2 * (c_in^2 - c_out^2)

[P. Jordan; HTWG Konstanz; 01/24]

HTWG Konstanz

Parameters

TypeNameDefaultDescription
StringinstanceName (from DropOfCommonsPlus)getInstanceName()Instance name
Layout
BooleandisplayInstanceName (from DropOfCommonsPlus)dropOfCommons.displayInstanceNames= true, if instance name is displayed
BooleandisplayParameters (from DropOfCommonsPlus)dropOfCommons.displayParameters= true, if displaying parameters is enabled
Advanced
ThermofluidStream.Utilities.Units.InertanceLdropOfCommons.LInertance of the flow
StateSelectm_flowStateSelectStateSelect.defaultState select for m_flow
Booleanclip_p_outIf false, set dr_corr to zero
Medium.AbsolutePressurep_mindropOfCommons.p_minMinimal steady-state output pressure
Initialization › Mass flow
InitializationMethodsinitM_flowThermofluidStream.Utilities.Types.InitializationMethods.noneInitialization method for m_flow
SI.MassFlowRatem_flow_00Initial value for m_flow
ThermofluidStream.Utilities.Units.MassFlowAccelerationm_acceleraton_00Initial value for der(m_flow)

Connectors

TypeNameDefaultDescription
ThermofluidStream.Interfaces.Inletinlet
ThermofluidStream.Interfaces.Outletoutlet

Components

TypeNameDefaultDescription
SI.MassFlowRatem_flowinlet.m_flowmass flow through component
SI.Velocityc_inInlet velocity
SI.Velocityc_outOutlet velocity
SI.Pressuredr_corr
SI.PressuredpStatic pressure difference dp = p_out - p_in
SI.PressuredqDynamic pressure difference dq = q_out - q_in

Contents

NameDescription
MediumMedium model