Class IncrementalZoneAnalysis.IncrementalZone

java.lang.Object
neqsim.process.mechanicaldesign.heatexchanger.IncrementalZoneAnalysis.IncrementalZone
All Implemented Interfaces:
Serializable
Enclosing class:
IncrementalZoneAnalysis
public static class IncrementalZoneAnalysis.IncrementalZone extends Object implements Serializable
Represents a single incremental zone in the heat exchanger.

Each zone contains local fluid properties for both tube and shell side, temperature endpoints, and computed results (HTC, U, area, pressure drop).

Version:
1.0
Author:
NeqSim Development Team
See Also:

  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      Serialization version UID.
      See Also:

    • zoneName

      public String zoneName
      Zone name or identifier.

    • duty

      public double duty
      Heat duty for this zone (W).

    • hotInletTemp

      public double hotInletTemp
      Hot-side inlet temperature for this zone (K).

    • hotOutletTemp

      public double hotOutletTemp
      Hot-side outlet temperature for this zone (K).

    • coldInletTemp

      public double coldInletTemp
      Cold-side inlet temperature for this zone (K).

    • coldOutletTemp

      public double coldOutletTemp
      Cold-side outlet temperature for this zone (K).

    • tubePhaseRegime

      public IncrementalZoneAnalysis.PhaseRegime tubePhaseRegime
      Tube phase regime.

    • tubeDensity

      public double tubeDensity
      Tube-side density (kg/m3).

    • tubeViscosity

      public double tubeViscosity
      Tube-side viscosity (Pa*s).

    • tubeCp

      public double tubeCp
      Tube-side heat capacity (J/(kg*K)).

    • tubeConductivity

      public double tubeConductivity
      Tube-side thermal conductivity (W/(m*K)).

    • tubeMassFlowRate

      public double tubeMassFlowRate
      Tube-side mass flow rate (kg/s).

    • tubeLiquidDensity

      public double tubeLiquidDensity
      Tube-side liquid density (kg/m3).

    • tubeVaporDensity

      public double tubeVaporDensity
      Tube-side vapor density (kg/m3).

    • tubeLiquidViscosity

      public double tubeLiquidViscosity
      Tube-side liquid viscosity (Pa*s).

    • tubeVaporViscosity

      public double tubeVaporViscosity
      Tube-side vapor viscosity (Pa*s).

    • tubeLiquidCp

      public double tubeLiquidCp
      Tube-side liquid heat capacity (J/(kg*K)).

    • tubeLiquidConductivity

      public double tubeLiquidConductivity
      Tube-side liquid thermal conductivity (W/(m*K)).

    • tubeQualityIn

      public double tubeQualityIn
      Tube-side vapor quality at zone inlet (0 to 1).

    • tubeQualityOut

      public double tubeQualityOut
      Tube-side vapor quality at zone outlet (0 to 1).

    • tubeReducedPressure

      public double tubeReducedPressure
      Tube-side reduced pressure P/Pc (for Shah correlation).

    • tubeSurfaceTension

      public double tubeSurfaceTension
      Tube-side surface tension (N/m).

    • tubeHeatOfVaporization

      public double tubeHeatOfVaporization
      Tube-side heat of vaporization (J/kg).

    • shellPhaseRegime

      public IncrementalZoneAnalysis.PhaseRegime shellPhaseRegime
      Shell phase regime.

    • shellDensity

      public double shellDensity
      Shell-side density (kg/m3).

    • shellViscosity

      public double shellViscosity
      Shell-side viscosity (Pa*s).

    • shellCp

      public double shellCp
      Shell-side heat capacity (J/(kg*K)).

    • shellConductivity

      public double shellConductivity
      Shell-side thermal conductivity (W/(m*K)).

    • shellMassFlowRate

      public double shellMassFlowRate
      Shell-side mass flow rate (kg/s).

    • tubeSideHTC

      public double tubeSideHTC
      Computed tube-side HTC (W/(m2*K)).

    • shellSideHTC

      public double shellSideHTC
      Computed shell-side HTC (W/(m2*K)).

    • overallU

      public double overallU
      Computed overall U (W/(m2*K)).

    • lmtd

      public double lmtd
      Computed LMTD for this zone (K).

    • requiredArea

      public double requiredArea
      Computed required area for this zone (m2).

    • tubeSidePressureDrop

      public double tubeSidePressureDrop
      Computed tube-side pressure drop for this zone (Pa).

    • shellSidePressureDrop

      public double shellSidePressureDrop
      Computed shell-side pressure drop for this zone (Pa).

  • Constructor Details

    • IncrementalZone

      public IncrementalZone()
      Default constructor.

  • Method Details

    • setTemperatures

      public void setTemperatures(double hotIn, double hotOut, double coldIn, double coldOut)
      Sets the temperature endpoints for this zone.
      Parameters:
      hotIn - hot-side inlet temperature (K)
      hotOut - hot-side outlet temperature (K)
      coldIn - cold-side inlet temperature (K)
      coldOut - cold-side outlet temperature (K)

    • setTubeSideProperties

      public void setTubeSideProperties(double density, double viscosity, double cp, double conductivity, double massFlowRate, IncrementalZoneAnalysis.PhaseRegime regime)
      Sets single-phase tube-side properties.
      Parameters:
      density - density (kg/m3)
      viscosity - viscosity (Pa*s)
      cp - heat capacity (J/(kg*K))
      conductivity - thermal conductivity (W/(m*K))
      massFlowRate - mass flow rate (kg/s)
      regime - phase regime

    • setShellSideProperties

      public void setShellSideProperties(double density, double viscosity, double cp, double conductivity, double massFlowRate, IncrementalZoneAnalysis.PhaseRegime regime)
      Sets shell-side properties.
      Parameters:
      density - density (kg/m3)
      viscosity - viscosity (Pa*s)
      cp - heat capacity (J/(kg*K))
      conductivity - thermal conductivity (W/(m*K))
      massFlowRate - mass flow rate (kg/s)
      regime - phase regime