centrifugal pump calculation routines

7/29/2019 Centrifugal Pump Calculation Routines

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' Centrifugal Pump Calculation Routines' Copyright 2008 Daniel Wagner O. de Medeiros'' This file is part of DWSIM.'' DWSIM is free software: you can redistribute it and/or modify

' it under the terms of the GNU General Public License as published by' the Free Software Foundation, either version 3 of the License, or' (at your option) any later version.'' DWSIM is distributed in the hope that it will be useful,' but WITHOUT ANY WARRANTY; without even the implied warranty of' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the' GNU General Public License for more details.'' You should have received a copy of the GNU General Public License' along with DWSIM. If not, see .

Imports Microsoft.MSDN.Samples.GraphicObjects

Imports DWSIM.DWSIM.MathEx.InterpolationImports DWSIM.DWSIM.SimulationObjects.UnitOps.Auxiliary.PipingOpsImports DWSIM.DWSIM.Flowsheet.FlowSheetSolver

Namespace DWSIM.SimulationObjects.UnitOps.Auxiliary.PipingOps

Public Enum CurveTypeHeadPowerNPSHrEfficiencySystemHeadNone

End Enum

Public Class Curve

Protected _x As ArrayListProtected _y As ArrayListProtected _xunit As StringProtected _yunit As StringProtected _type As CurveTypeProtected _id As StringProtected _name As StringProtected _enabled As Boolean = True

Sub New(ByVal id As String, ByVal name As String, ByVal x AsArrayList, ByVal xunit As String, ByVal y As ArrayList, ByVal yunit AsString, ByVal type As CurveType)

Me.New()Me.ID = idMe.Name = nameMe.x = xMe.y = yMe.xunit = xunitMe.yunit = yunitMe.Type = type

End Sub

Sub New(ByVal id As String, ByVal name As String, ByVal type As

CurveType)Me.New()


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Me.ID = idMe.Name = nameMe.Type = type

End Sub

Sub New()

_x = New ArrayList_y = New ArrayListEnd Sub

Public Property Enabled() As BooleanGet

Return _enabledEnd GetSet(ByVal value As Boolean)

_enabled = valueEnd Set

End Property

Public Property Name() As StringGetReturn _name

End GetSet(ByVal value As String)

_name = valueEnd Set

End Property

Public Property ID() As StringGet

Return _idEnd GetSet(ByVal value As String)

_id = valueEnd Set

End Property

Public Property Type() As CurveTypeGet

Return _typeEnd GetSet(ByVal value As CurveType)

_type = valueEnd Set

End Property

Public Property yunit() As StringGet

Return _yunitEnd GetSet(ByVal value As String)

_yunit = valueEnd Set

End Property

Public Property xunit() As StringGet

Return _xunitEnd Get

Set(ByVal value As String)_xunit = value


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End SetEnd Property

Public Property y() As ArrayListGet

Return _y

End GetSet(ByVal value As ArrayList)_y = value

End SetEnd Property

Public Property x() As ArrayListGet

Return _xEnd GetSet(ByVal value As ArrayList)

_x = valueEnd Set

End Property

End Class

End Namespace

Namespace DWSIM.SimulationObjects.UnitOps

Public Class Pump

Inherits SimulationObjects_UnitOpBaseClass

Public Enum CalculationModeDelta_P = 0OutletPressure = 1EnergyStream = 2Curves = 3

End Enum

Protected m_dp As Nullable(Of Double)Protected m_dt As Nullable(Of Double)Protected m_DQ As Nullable(Of Double)

Protected m_eta As Nullable(Of Double) = 75Protected m_npsh As Nullable(Of Double)Protected m_pout As Double = 0

Protected m_ignorephase As Boolean = True

Protected m_FixOnDeltaP As Boolean = TrueProtected m_cmode As CalculationMode = CalculationMode.Delta_P

Protected m_curves As Dictionary(Of String,UnitOps.Auxiliary.PipingOps.Curve)

Protected _curvehead As DoubleProtected _curveeff As DoubleProtected _curvenpsh As DoubleProtected _curvepower As DoubleProtected _curvesyshead As Double

Protected _curveflow As Double


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Public Property CurveFlow() As DoubleGet

Return _curveflowEnd GetSet(ByVal value As Double)

_curveflow = value

End SetEnd Property

Public Property CurveSysHead() As DoubleGet

Return _curvesysheadEnd GetSet(ByVal value As Double)

_curvesyshead = valueEnd Set

End Property

Public Property CurvePower() As Double

Get Return _curvepowerEnd GetSet(ByVal value As Double)

_curvepower = valueEnd Set

End Property

Public Property CurveNPSHr() As DoubleGet

Return _curvenpshEnd GetSet(ByVal value As Double)

_curvenpsh = valueEnd Set

End Property

Public Property CurveEff() As DoubleGet

Return _curveeffEnd GetSet(ByVal value As Double)

_curveeff = valueEnd Set

End Property

Public Property CurveHead() As DoubleGet

Return _curveheadEnd GetSet(ByVal value As Double)

_curvehead = valueEnd Set

End Property

Public Property Curves() As Dictionary(Of String,UnitOps.Auxiliary.PipingOps.Curve)

GetIf m_curves Is Nothing Then

m_curves = New Dictionary(Of String,

UnitOps.Auxiliary.PipingOps.Curve)CreateCurves()


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End IfReturn m_curves

End GetSet(ByVal value As Dictionary(Of String,

UnitOps.Auxiliary.PipingOps.Curve))m_curves = value

End SetEnd Property

Public Property Pout() As DoubleGet

Return m_poutEnd GetSet(ByVal value As Double)

m_pout = valueEnd Set

End Property

Public Property CalcMode() As CalculationMode

Get Return m_cmodeEnd GetSet(ByVal value As CalculationMode)

m_cmode = valueEnd Set

End Property

Public Property FixOnDeltaP() As BooleanGet

Return m_FixOnDeltaPEnd GetSet(ByVal value As Boolean)

m_FixOnDeltaP = valueEnd Set

End Property

Public Property IgnorePhase() As BooleanGet

Return m_ignorephaseEnd GetSet(ByVal value As Boolean)

m_ignorephase = valueEnd Set

End Property

Public Sub New(ByVal nome As String, ByVal descricao As String)MyBase.CreateNew()Me.m_ComponentName = nomeMe.m_ComponentDescription = descricaoMe.FillNodeItems()Me.QTFillNodeItems()Me.CreateCurves()

End Sub

Public Property NPSH() As Nullable(Of Double)Get

Return m_npshEnd GetSet(ByVal value As Nullable(Of Double))

m_npsh = valueEnd Set


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End Property

Public Property Eficiencia() As Nullable(Of Double)Get

Return m_etaEnd Get

Set(ByVal value As Nullable(Of Double))m_eta = valueEnd Set

End Property

Public Property DeltaP() As Nullable(Of Double)Get

Return m_dpEnd GetSet(ByVal value As Nullable(Of Double))

m_dp = valueEnd Set

End Property

Public Property DeltaT() As Nullable(Of Double)Get

Return m_dtEnd GetSet(ByVal value As Nullable(Of Double))

m_dt = valueEnd Set

End Property

Public Property DeltaQ() As Nullable(Of Double)Get

Return m_DQEnd GetSet(ByVal value As Nullable(Of Double))

m_DQ = valueEnd Set

End Property

Sub CreateCurves()

If Not Me.Curves.ContainsKey("NPSH") ThenMe.Curves.Add("NPSH", New Curve(Guid.NewGuid().ToString,

"NPSH", CurveType.NPSHr))End IfIf Not Me.Curves.ContainsKey("HEAD") Then

Me.Curves.Add("HEAD", New Curve(Guid.NewGuid().ToString,"HEAD", CurveType.Head))

End IfIf Not Me.Curves.ContainsKey("EFF") Then

Me.Curves.Add("EFF", New Curve(Guid.NewGuid().ToString,"EFF", CurveType.Efficiency))

End IfIf Not Me.Curves.ContainsKey("POWER") Then

Me.Curves.Add("POWER", New Curve(Guid.NewGuid().ToString,"POWER", CurveType.Power))

End IfIf Not Me.Curves.ContainsKey("SYSTEM") Then

Me.Curves.Add("SYSTEM", New Curve(Guid.NewGuid().ToString,"SYSTEM", CurveType.SystemHead))

End If


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End Sub

Public Overrides Function Calculate(Optional ByVal args As Object =Nothing) As Integer

Dim form As Global.DWSIM.FormFlowsheet =

My.Application.ActiveSimulationDim objargs As New DWSIM.Outros.StatusChangeEventArgs

If Not Me.GraphicObject.InputConnectors(1).IsAttached Then'Call function to calculate flowsheetWith objargs

.Calculado = False

.Nome = Me.Nome

.Tipo = TipoObjeto.PumpEnd WithCalculateFlowsheet(FlowSheet, objargs, Nothing)Throw New

Exception(DWSIM.App.GetLocalString("Nohcorrentedeenergia4"))

ElseIf Not Me.GraphicObject.OutputConnectors(0).IsAttached Then'Call function to calculate flowsheetWith objargs

.Calculado = False

.Nome = Me.Nome


Exception(DWSIM.App.GetLocalString("Verifiqueasconexesdo"))ElseIf Not Me.GraphicObject.InputConnectors(0).IsAttached Then

'Call function to calculate flowsheetWith objargs

.Calculado = False

.Nome = Me.Nome


Exception(DWSIM.App.GetLocalString("Verifiqueasconexesdo"))End If

Dim Ti, Pi, Hi, Wi, rho_li, qli, qvi, ei, ein, T2, P2, H2 AsDouble

qvi =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(2).SPMProperties.volumetric_flow.GetValueOrDefault.ToString

If qvi > 0 And Not Me.IgnorePhase Then Throw NewException(DWSIM.App.GetLocalString("Existeumafasevaporna"))

Me.PropertyPackage.CurrentMaterialStream =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name)

Ti =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.temperature.GetValueOrDefault.ToString

Pi =

form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnec


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tors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.pressure.GetValueOrDefault.ToString

rho_li =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.density.GetValueOrDefault.ToString

qli =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.volumetric_flow.GetValueOrDefault.ToString

Hi =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.enthalpy.GetValueOrDefault.ToString

Wi =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.massflow.GetValueOrDefault.ToString

ei = Hi * Wi

ein = ei

Select Case Me.CalcMode

Case CalculationMode.Curves

Dim cv As New SistemasDeUnidades.Conversor

Dim cnpsh, chead, ceff, cpower, csystem As Curve

Me.createcurves()

cnpsh = Me.Curves("NPSH")chead = Me.Curves("HEAD")ceff = Me.Curves("EFF")cpower = Me.Curves("POWER")csystem = Me.Curves("SYSTEM")

Dim xhead, yhead, xnpsh, ynpsh, xeff, yeff, xpower,ypower, xsystem, ysystem As New ArrayList

Dim i As Integer

For i = 0 To chead.x.Count - 1If Double.TryParse(chead.x(i), New Double) And

Double.TryParse(chead.y(i), New Double) Thenxhead.Add(cv.ConverterParaSI(chead.xunit,

chead.x(i)))yhead.Add(cv.ConverterParaSI(chead.yunit,

chead.y(i)))End If

NextFor i = 0 To cnpsh.x.Count - 1

If Double.TryParse(cnpsh.x(i), New Double) AndDouble.TryParse(cnpsh.y(i), New Double) Then

xnpsh.Add(cv.ConverterParaSI(cnpsh.xunit,cnpsh.x(i)))

ynpsh.Add(cv.ConverterParaSI(cnpsh.yunit,cnpsh.y(i)))

End If

NextFor i = 0 To ceff.x.Count - 1


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If Double.TryParse(ceff.x(i), New Double) AndDouble.TryParse(ceff.y(i), New Double) Then

xeff.Add(cv.ConverterParaSI(ceff.xunit,ceff.x(i)))

If ceff.yunit = "%" Thenyeff.Add(ceff.y(i) / 100)

Elseyeff.Add(ceff.y(i))End If

End IfNextFor i = 0 To cpower.x.Count - 1

If Double.TryParse(cpower.x(i), New Double) AndDouble.TryParse(cpower.y(i), New Double) Then

xpower.Add(cv.ConverterParaSI(cpower.xunit,cpower.x(i)))

ypower.Add(cv.ConverterParaSI(cpower.yunit,cpower.y(i)))

End If

NextFor i = 0 To csystem.x.Count - 1If Double.TryParse(csystem.x(i), New Double) And

Double.TryParse(csystem.y(i), New Double) Thenxsystem.Add(cv.ConverterParaSI(csystem.xunit,

csystem.x(i)))ysystem.Add(cv.ConverterParaSI(csystem.yunit,

csystem.y(i)))End If

Next

Dim w() As Double

'get operating pointsDim head, npshr, eff, power, syshead As Double

'headReDim w(xhead.Count)

ratinterpolation.buildfloaterhormannrationalinterpolant(xhead.ToArray(GetType(Double)), xhead.Count, 0.5, w)

head =polinterpolation.barycentricinterpolation(xhead.ToArray(GetType(Double)),yhead.ToArray(GetType(Double)), w, xhead.Count, qli)

Me.CurveHead = head

'npshrIf Me.Curves("NPSH").Enabled Then

ReDim w(xnpsh.Count)

ratinterpolation.buildfloaterhormannrationalinterpolant(xnpsh.ToArray(GetType(Double)), xnpsh.Count, 0.5, w)

npshr =polinterpolation.barycentricinterpolation(xnpsh.ToArray(GetType(Double)),ynpsh.ToArray(GetType(Double)), w, xnpsh.Count, qli)

Elsenpshr = 0

End If

Me.CurveNPSHr = npshr


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'efficiencyIf Me.Curves("EFF").Enabled Then

ReDim w(xeff.Count)

ratinterpolation.buildfloaterhormannrationalinterpolant(xeff.ToArray(GetType(Double)), xeff.Count, 0.5, w)

eff =polinterpolation.barycentricinterpolation(xeff.ToArray(GetType(Double)),yeff.ToArray(GetType(Double)), w, xeff.Count, qli)

Elseeff = Me.Eficiencia.GetValueOrDefault / 100

End If

Me.CurveEff = eff * 100

'sysheadIf Me.Curves("SYSTEM").Enabled Then

ReDim w(xsystem.Count)

ratinterpolation.buildfloaterhormannrationalinterpolant(xsystem.ToArray(GetType(Double)), xsystem.Count, 0.5, w)syshead =

polinterpolation.barycentricinterpolation(xsystem.ToArray(GetType(Double)),ysystem.ToArray(GetType(Double)), w, xsystem.Count, qli)

Elsesyshead = head

End If

Me.CurveSysHead = syshead

'we need -> head, power, eff, to calculate P2, H2, T2

P2 = Pi + syshead * 9.81 * rho_li

Me.DeltaP = P2 - Pi

Dim tmp As Object

'powerIf Me.Curves("POWER").Enabled Then

ReDim w(xpower.Count)

ratinterpolation.buildfloaterhormannrationalinterpolant(xpower.ToArray(GetType(Double)), xpower.Count, 0.5, w)

power =polinterpolation.barycentricinterpolation(xpower.ToArray(GetType(Double)),ypower.ToArray(GetType(Double)), w, xpower.Count, qli)

H2 = Hi + power * eff / WiElse

power = Wi * 9.81 * syshead / eff / 1000H2 = Hi + power * eff / Wi

End If

Me.CurvePower = power

Me.DeltaQ = power

tmp =Me.PropertyPackage.DW_CalcEquilibrio_ISOL(PropertyPackages.FlashSpec.P,

PropertyPackages.FlashSpec.H, P2, H2, Ti)T2 = tmp(2)


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Me.DeltaT = T2 - Ti

Me.Eficiencia = eff * 100

Me.NPSH = (Pi -

Me.PropertyPackage.DW_CalcPVAP_ISOL(Ti)) / (rho_li * 9.81)

Me.CurveFlow = qli

'Corrente de energia - atualizar valor da potncia(kJ/s)

Withform.Collections.CLCS_EnergyStreamCollection(Me.GraphicObject.InputConnectors(1).AttachedConnector.AttachedFrom.Name)

.Energia = Me.DeltaQ.GetValueOrDefault

.GraphicObject.Calculated = TrueEnd With

Case CalculationMode.EnergyStream

Dim tmp As Object

'Corrente de energia - pegar valor do DHWith

form.Collections.CLCS_EnergyStreamCollection(Me.GraphicObject.InputConnectors(1).AttachedConnector.AttachedFrom.Name)

Me.DeltaQ = .Energia.GetValueOrDefault 'Wi * (H2 -Hi) / (Me.Eficiencia.GetValueOrDefault / 100)

End With

H2 = Hi + Me.DeltaQ.GetValueOrDefault *(Me.Eficiencia.GetValueOrDefault / 100) / Wi

P2 = Pi + (H2 - Hi) * rho_li * 1000

DeltaP = P2 - Pi

tmp =Me.PropertyPackage.DW_CalcEquilibrio_ISOL(PropertyPackages.FlashSpec.P,PropertyPackages.FlashSpec.H, P2, H2, Ti)

T2 = tmp(2)

Me.DeltaT = T2 - Ti

Me.NPSH = (Pi -Me.PropertyPackage.DW_CalcPVAP_ISOL(Ti)) / (rho_li * 9.81)

Case CalculationMode.Delta_P

qvi =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(2).SPMProperties.volumetric_flow.GetValueOrDefault.ToString

If qvi > 0 And Not Me.IgnorePhase Then Throw NewException(DWSIM.App.GetLocalString("Existeumafasevaporna"))

Me.PropertyPackage.CurrentMaterialStream =

form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name)


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P2 = Pi + Me.DeltaP.GetValueOrDefault

Me.DeltaQ = (P2 - Pi) / rho_li / 1000 /(Me.Eficiencia.GetValueOrDefault / 100) * Wi

H2 = Hi + Me.DeltaQ / Wi

Dim tmp =Me.PropertyPackage.DW_CalcEquilibrio_ISOL(PropertyPackages.FlashSpec.P,PropertyPackages.FlashSpec.H, P2, H2, Ti)

T2 = tmp(2)

Me.DeltaT = T2 - Ti






Case CalculationMode.OutletPressure

Me.PropertyPackage.CurrentMaterialStream =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name)

P2 = Me.Pout

Me.DeltaP = P2 - Pi

Me.DeltaQ = (P2 - Pi) / rho_li / 1000 /(Me.Eficiencia.GetValueOrDefault / 100) * Wi

H2 = Hi + Me.DeltaQ / Wi

Dim tmp =Me.PropertyPackage.DW_CalcEquilibrio_ISOL(PropertyPackages.FlashSpec.P,PropertyPackages.FlashSpec.H, P2, H2, Ti)

T2 = tmp(2)

Me.DeltaT = T2 - Ti






End Select


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'Atribuir valores corrente de matria conectada jusanteWith

form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.OutputConnectors(0).AttachedConnector.AttachedTo.Name)

.Fases(0).SPMProperties.temperature = T2

.Fases(0).SPMProperties.pressure = P2.Fases(0).SPMProperties.enthalpy = H2Dim comp As DWSIM.ClassesBasicasTermodinamica.SubstanciaDim i As Integer = 0For Each comp In .Fases(0).Componentes.Values

comp.FracaoMolar =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).Componentes(comp.Nome).FracaoMolar

comp.FracaoMassica =form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).Componentes(comp.Nome).FracaoMassica

i += 1Next.Fases(0).SPMProperties.massflow =

form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Name).Fases(0).SPMProperties.massflow.GetValueOrDefault

End With

'Call function to calculate flowsheetWith objargs

.Calculado = True

.Nome = Me.Nome

.Tag = Me.GraphicObject.Tag

.Tipo = TipoObjeto.PumpEnd With

form.CalculationQueue.Enqueue(objargs)

End Function

Public Overrides Function DeCalculate() As Integer

Dim form As Global.DWSIM.FormFlowsheet =My.Application.ActiveSimulation

If Me.GraphicObject.OutputConnectors(0).IsAttached Then

'Zerar valores da corrente de matria conectada a jusanteWith

form.Collections.CLCS_MaterialStreamCollection(Me.GraphicObject.OutputConnectors(0).AttachedConnector.AttachedTo.Name)

.Fases(0).SPMProperties.temperature = Nothing

.Fases(0).SPMProperties.pressure = Nothing

.Fases(0).SPMProperties.molarfraction = 1

.Fases(0).SPMProperties.massfraction = 1

.Fases(0).SPMProperties.enthalpy = NothingDim comp As

DWSIM.ClassesBasicasTermodinamica.SubstanciaDim i As Integer = 0For Each comp In .Fases(0).Componentes.Values

comp.FracaoMolar = 0comp.FracaoMassica = 0


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i += 1Next.Fases(0).SPMProperties.massflow = Nothing.Fases(0).SPMProperties.molarflow = Nothing.GraphicObject.Calculated = False

End With

End If

'Corrente de energia - atualizar valor da potncia (kJ/s)If Me.GraphicObject.EnergyConnector.IsAttached Then

Withform.Collections.CLCS_EnergyStreamCollection(Me.GraphicObject.EnergyConnector.AttachedConnector.AttachedTo.Name)

.Energia = Nothing

.GraphicObject.Calculated = FalseEnd With

End If

'Call function to calculate flowsheetDim objargs As New DWSIM.Outros.StatusChangeEventArgsWith objargs

.Calculado = False

.Nome = Me.Nome

.Tipo = TipoObjeto.PumpEnd With

form.CalculationQueue.Enqueue(objargs)

End Function

Public Overloads Overrides Sub UpdatePropertyNodes(ByVal su AsSistemasDeUnidades.Unidades, ByVal nf As String)

Dim Conversor As New DWSIM.SistemasDeUnidades.ConversorIf Me.NodeTableItems Is Nothing Then

Me.NodeTableItems = NewSystem.Collections.Generic.Dictionary(Of Integer, DWSIM.Outros.NodeItem)

Me.FillNodeItems()End If

For Each nti As Outros.NodeItem In Me.NodeTableItems.Valuesnti.Value = GetPropertyValue(nti.Text,

FlowSheet.Options.SelectedUnitSystem)nti.Unit = GetPropertyUnit(nti.Text,

FlowSheet.Options.SelectedUnitSystem)Next

If Me.QTNodeTableItems Is Nothing ThenMe.QTNodeTableItems = New

System.Collections.Generic.Dictionary(Of Integer, DWSIM.Outros.NodeItem)Me.QTFillNodeItems()

End If

With Me.QTNodeTableItems

Dim valor As String

If Me.DeltaP.HasValue Then

valor = Format(Conversor.ConverterDoSI(su.spmp_deltaP,Me.DeltaP), nf)


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Elsevalor = DWSIM.App.GetLocalString("NC")

End If.Item(0).Value = valor.Item(0).Unit = su.spmp_deltaP

If Me.DeltaT.HasValue Thenvalor = Format(Conversor.ConverterDoSI(su.spmp_deltaT,Me.DeltaT), nf)

Elsevalor = DWSIM.App.GetLocalString("NC")

End If.Item(1).Value = valor.Item(1).Unit = su.spmp_deltaT

If Me.DeltaQ.HasValue Thenvalor =

Format(Conversor.ConverterDoSI(su.spmp_heatflow, Me.DeltaQ), nf)Else

valor = DWSIM.App.GetLocalString("NC")End If.Item(2).Value = valor.Item(2).Unit = su.spmp_heatflow

End With

End Sub

Public Overrides Sub QTFillNodeItems()

With Me.QTNodeTableItems

.Clear()

.Add(0, New DWSIM.Outros.NodeItem("DP", "", "", 0, 0, ""))

.Add(1, New DWSIM.Outros.NodeItem("DT", "", "", 1, 0, ""))

.Add(2, NewDWSIM.Outros.NodeItem(DWSIM.App.GetLocalString("Pot"), "", "", 2, 0, ""))

End WithEnd Sub

Public Overrides Sub PopulatePropertyGrid(ByRef pgrid AsPropertyGridEx.PropertyGridEx, ByVal su As SistemasDeUnidades.Unidades)

Dim Conversor As New DWSIM.SistemasDeUnidades.Conversor

With pgrid

.PropertySort = PropertySort.Categorized

.ShowCustomProperties = True

.Item.Clear()

MyBase.PopulatePropertyGrid(pgrid, su)

Dim ent, saida, energ As StringIf Me.GraphicObject.InputConnectors(0).IsAttached = True

Thenent =

Me.GraphicObject.InputConnectors(0).AttachedConnector.AttachedFrom.Tag

Elseent = ""


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End IfIf Me.GraphicObject.OutputConnectors(0).IsAttached = True

Thensaida =

Me.GraphicObject.OutputConnectors(0).AttachedConnector.AttachedTo.TagElse

saida = ""End If

If Me.GraphicObject.InputConnectors(1).IsAttached = TrueThen

energ =Me.GraphicObject.InputConnectors(1).AttachedConnector.AttachedFrom.Tag

Elseenerg = ""

End If

.Item.Add(DWSIM.App.GetLocalString("Correntedeentrada"),ent, False, DWSIM.App.GetLocalString("Conexes1"), "", True)

With .Item(.Item.Count - 1).DefaultValue = Nothing.CustomEditor = New

DWSIM.Editors.Streams.UIInputMSSelectorEnd With

.Item.Add(DWSIM.App.GetLocalString("Correntedesada"),saida, False, DWSIM.App.GetLocalString("Conexes1"), "", True)


DWSIM.Editors.Streams.UIOutputMSSelectorEnd With

.Item.Add(DWSIM.App.GetLocalString("Correntedeenergia"),energ, False, DWSIM.App.GetLocalString("Conexes1"), "", True)


DWSIM.Editors.Streams.UIInputESSelectorEnd With

.Item.Add(DWSIM.App.GetLocalString("PumpCalcMode"), Me,"CalcMode", False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"), "",True)

Select Case Me.CalcModeCase CalculationMode.Curves

.Item.Add(DWSIM.App.GetLocalString("PumpSetupCurves"), Me, "Curves", False,DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("Diferenadepressoentr"), True)


DWSIM.Editors.Pump.UIPumpCurvesEditorEnd WithIf Me.Curves.ContainsKey("EFF") Then

If Not Me.Curves("EFF").Enabled Then

.Item.Add(DWSIM.App.GetLocalString("Eficincia0100"), Me, "Eficiencia",


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False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("Eficinciaglobaldabom"), True)

With .Item(.Item.Count - 1).DefaultValue = Nothing.DefaultType = GetType(Nullable(Of

Double))

End WithEnd IfEnd If

Case CalculationMode.Delta_PDim valor =

Format(Conversor.ConverterDoSI(su.spmp_deltaP,Me.DeltaP.GetValueOrDefault), FlowSheet.Options.NumberFormat)

.Item.Add(FT("Delta P", su.spmp_deltaP), valor,False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("Diferenadepressoentr"), True)

With .Item(.Item.Count - 1).Tag = New Object()

{FlowSheet.Options.NumberFormat, su.spmp_deltaP, "DP"}

.CustomEditor = NewDWSIM.Editors.Generic.UIUnitConverterEnd With

.Item.Add(DWSIM.App.GetLocalString("Eficincia0100"), Me, "Eficiencia",False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("Eficinciaglobaldabom"), True)

With .Item(.Item.Count - 1).DefaultValue = Nothing.DefaultType = GetType(Nullable(Of Double))

End WithCase CalculationMode.EnergyStream



End WithCase CalculationMode.OutletPressure

Dim valor =Format(Conversor.ConverterDoSI(su.spmp_pressure, Me.Pout),FlowSheet.Options.NumberFormat)

.Item.Add(FT(DWSIM.App.GetLocalString("Pressoajusante"), su.spmp_pressure),valor, False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("Diferenadepressoentr"), True)

With .Item(.Item.Count - 1).Tag = New Object()

{FlowSheet.Options.NumberFormat, su.spmp_pressure, "P"}.CustomEditor = New

DWSIM.Editors.Generic.UIUnitConverterEnd With


With .Item(.Item.Count - 1).DefaultValue = Nothing

.DefaultType = GetType(Nullable(Of Double))End With


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End Select

.Item.Add(DWSIM.App.GetLocalString("IgnorarVapornaEntrad"),Me, "IgnorePhase", False, DWSIM.App.GetLocalString("Parmetrosdeclculo2"),DWSIM.App.GetLocalString("SelecioLiquidrueparaign"), True)

With .Item(.Item.Count - 1)

.DefaultType = GetType(Boolean)End With

If Me.GraphicObject.Calculated ThenSelect Case Me.CalcMode

Case CalculationMode.Curves

.Item.Add(DWSIM.App.GetLocalString("PumpViewCurves"), Me, "Curves", False,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadepressoentr"), True)


DWSIM.Editors.Pump.UIPumpCurvesEditorEnd With

.Item.Add(FT(DWSIM.App.GetLocalString("PumpCurveHead"), su.spmp_head),Format(Conversor.ConverterDoSI(su.spmp_head, Me.CurveHead),FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)

.Item.Add(DWSIM.App.GetLocalString("PumpCurveEfficiency"),Format(Me.CurveEff, FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)

.Item.Add(FT(DWSIM.App.GetLocalString("PumpCurvePower"), su.spmp_heatflow),Format(Conversor.ConverterDoSI(su.spmp_heatflow, Me.CurvePower),FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)

Dim valor =Format(Conversor.ConverterDoSI(su.spmp_deltaP,Me.DeltaP.GetValueOrDefault), FlowSheet.Options.NumberFormat)

.Item.Add(FT("Delta P", su.spmp_deltaP), valor,True, DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadepressoentr"), True)


End With

.Item.Add(FT(DWSIM.App.GetLocalString("DeltaT2"), su.spmp_deltaT),Format(Conversor.ConverterDoSI(su.spmp_deltaT,Me.DeltaT.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)


End With

.Item.Add(FT(DWSIM.App.GetLocalString("PumpCurveNPSHr"), su.spmp_head),Format(Conversor.ConverterDoSI(su.spmp_head, Me.CurveNPSHr),


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FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)

Case CalculationMode.Delta_P

.Item.Add(FT(DWSIM.App.GetLocalString("DeltaT2"), su.spmp_deltaT),

Format(Conversor.ConverterDoSI(su.spmp_deltaT,Me.DeltaT.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)


End With

.Item.Add(FT(DWSIM.App.GetLocalString("Energianecessria"),su.spmp_heatflow), Format(Conversor.ConverterDoSI(su.spmp_heatflow,Me.DeltaQ.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),

DWSIM.App.GetLocalString("Potnciarequeridapela"), True)With .Item(.Item.Count - 1).DefaultValue = Nothing.DefaultType = GetType(Nullable(Of Double))

End WithCase CalculationMode.EnergyStream




End With

.Item.Add(FT(DWSIM.App.GetLocalString("DeltaT2"), su.spmp_deltaT),Format(Conversor.ConverterDoSI(su.spmp_deltaT,Me.DeltaT.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)


End WithCase CalculationMode.OutletPressure




End With

.Item.Add(FT(DWSIM.App.GetLocalString("DeltaT2"), su.spmp_deltaT),Format(Conversor.ConverterDoSI(su.spmp_deltaT,

Me.DeltaT.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,


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DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Diferenadetemperatur"), True)


End With

.Item.Add(FT(DWSIM.App.GetLocalString("Energianecessria"),su.spmp_heatflow), Format(Conversor.ConverterDoSI(su.spmp_heatflow,Me.DeltaQ.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Potnciarequeridapela"), True)


End WithEnd Select

End If.Item.Add(FT(DWSIM.App.GetLocalString("PumpNPSHd"),

su.spmp_head), Format(Conversor.ConverterDoSI(su.spmp_head,Me.NPSH.GetValueOrDefault), FlowSheet.Options.NumberFormat), True,DWSIM.App.GetLocalString("Resultados3"),DWSIM.App.GetLocalString("Potnciarequeridapela"), True)


End With

If Me.GraphicObject.Calculated = False Then.Item.Add(DWSIM.App.GetLocalString("Mensagemdeerro"),

Me, "ErrorMessage", True, DWSIM.App.GetLocalString("Miscelnea4"),DWSIM.App.GetLocalString("Mensagemretornadaqua"), True)

With .Item(.Item.Count - 1).DefaultType = GetType(System.String)

End WithEnd If

If Me.IsSpecAttached = True Then

.Item.Add(DWSIM.App.GetLocalString("ObjetoUtilizadopor"),FlowSheet.Collections.ObjectCollection(Me.AttachedSpecId).GraphicObject.Tag, True, DWSIM.App.GetLocalString("Miscelnea4"), "", True)

.Item.Add(DWSIM.App.GetLocalString("Utilizadocomo"),Me.SpecVarType, True, DWSIM.App.GetLocalString("Miscelnea4"), "", True)

End If

If Not Me.Annotation Is Nothing Then.Item.Add(DWSIM.App.GetLocalString("Anotaes"), Me,

"Annotation", False, DWSIM.App.GetLocalString("Outros"),DWSIM.App.GetLocalString("Cliquenobotocomretic"), True)

With .Item(.Item.Count - 1).IsBrowsable = False.CustomEditor = New

DWSIM.Editors.Annotation.UIAnnotationEditorEnd With

End If

End With

End Sub


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Public Overrides Function GetPropertyValue(ByVal prop As String,Optional ByVal su As SistemasDeUnidades.Unidades = Nothing) As Object

If su Is Nothing Then su = NewDWSIM.SistemasDeUnidades.UnidadesSI

Dim cv As New DWSIM.SistemasDeUnidades.Conversor

Dim value As Double = 0Dim propidx As Integer = CInt(prop.Split("_")(2))

Select Case propidx

Case 0'PROP_PU_0 Pressure Increase (Head)value = cv.ConverterDoSI(su.spmp_deltaP,

Me.DeltaP.GetValueOrDefault)Case 1

'PROP_PU_1(Efficiency)value = Me.Eficiencia.GetValueOrDefault

Case 2

'PROP_PU_2(Delta - T)value = cv.ConverterDoSI(su.spmp_deltaT,Me.DeltaT.GetValueOrDefault)

Case 3'PROP_PU_3 Power Requiredvalue = cv.ConverterDoSI(su.spmp_heatflow,

Me.DeltaQ.GetValueOrDefault)

End Select

Return value

End Function

Public Overloads Overrides Function GetProperties(ByVal proptype AsSimulationObjects_BaseClass.PropertyType) As String()

Dim i As Integer = 0Dim proplist As New ArrayListSelect Case proptype

Case PropertyType.ROFor i = 2 To 3

proplist.Add("PROP_PU_" + CStr(i))Next

Case PropertyType.RWFor i = 0 To 1


Case PropertyType.WRFor i = 0 To 1


Case PropertyType.ALLFor i = 0 To 3


End SelectReturn proplist.ToArray(GetType(System.String))proplist = Nothing

End Function


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Public Overrides Function SetPropertyValue(ByVal prop As String,ByVal propval As Object, Optional ByVal su AsDWSIM.SistemasDeUnidades.Unidades = Nothing) As Object

If su Is Nothing Then su = NewDWSIM.SistemasDeUnidades.UnidadesSI

Dim cv As New DWSIM.SistemasDeUnidades.Conversor

Dim propidx As Integer = CInt(prop.Split("_")(2))

Select Case propidxCase 0

'PROP_PU_0 Pressure Increase (Head)Me.DeltaP = cv.ConverterParaSI(su.spmp_deltaP, propval)

Case 1'PROP_PU_1(Efficiency)Me.Eficiencia = propval

End SelectReturn 1

End Function

Public Overrides Function GetPropertyUnit(ByVal prop As String,Optional ByVal su As SistemasDeUnidades.Unidades = Nothing) As ObjectIf su Is Nothing Then su = New

DWSIM.SistemasDeUnidades.UnidadesSIDim cv As New DWSIM.SistemasDeUnidades.ConversorDim value As String = ""Dim propidx As Integer = CInt(prop.Split("_")(2))

Select Case propidx

Case 0'PROP_PU_0 Pressure Increase (Head)value = su.spmp_deltaP

Case 1'PROP_PU_1(Efficiency)value = ""

Case 2'PROP_PU_2(Delta - T)value = su.spmp_deltaT

Case 3'PROP_PU_3 Power Requiredvalue = su.spmp_heatflow

End Select

Return value

End Function

End Class

End Namespace

centrifugal pump calculation routines

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