Class MembraneSeparator

java.lang.Object

neqsim.util.NamedBaseClass

neqsim.process.SimulationBaseClass

neqsim.process.equipment.ProcessEquipmentBaseClass

neqsim.process.equipment.membrane.MembraneSeparator

All Implemented Interfaces:

Serializable, Runnable, ProcessEquipmentInterface, SimulationInterface, NamedInterface

public class MembraneSeparator
extends ProcessEquipmentBaseClass

Simple membrane separation unit with one inlet stream and two outlet streams (retentate and permeate). Each component can be assigned a permeate fraction representing the fraction of that component transported to the permeate side.

Author:

esol

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private double	defaultPermeateFraction
private StreamInterface	inletStream
private static final org.apache.logging.log4j.Logger	logger
private double	membraneArea
private final Map<String,Double>	permeabilities
private final Map<String,Double>	permeateFractions
private StreamInterface	permeateStream
private StreamInterface	retentateStream
private static final long	serialVersionUID

Fields inherited from class ProcessEquipmentBaseClass

conditionAnalysisMessage, energyStream, hasController, isSolved, properties, report

Fields inherited from class SimulationBaseClass

calcIdentifier, calculateSteadyState, time

Fields inherited from class NamedBaseClass

name

Constructor Summary

Constructors

Constructor	Description
MembraneSeparator(String name)	Constructor for MembraneSeparator.
MembraneSeparator(String name, StreamInterface inletStream)	Constructor for MembraneSeparator.

Method Summary

Modifier and Type	Method	Description
void	clearPermeateFractions()	Remove any permeate fractions set previously.
double	getMassBalance(String unit)	getMassBalance.
StreamInterface	getPermeateStream()	Getter for the field permeateStream.
StreamInterface	getRetentateStream()	Getter for the field retentateStream.
boolean	needRecalculation()	Check if process equipment needs recalculating.
void	run(UUID id)	In this method all thermodynamic and unit operations will be calculated in a steady state calculation.
void	runTransient(double dt, UUID id)	runTransient
void	setDefaultPermeateFraction(double fraction)	Set a global permeate fraction used for all components not explicitly set.
void	setInletStream(StreamInterface inletStream)	Setter for the field inletStream.
void	setMembraneArea(double area)	Set membrane area used for permeability calculations.
void	setPermeability(String component, double permeability)	Specify permeability coefficient for a component.
void	setPermeateFraction(String component, double fraction)	Specify permeate fraction for a component.

Methods inherited from class ProcessEquipmentBaseClass

copy, displayResult, equals, getConditionAnalysisMessage, getController, getEnergyStream, getEntropyProduction, getExergyChange, getMassBalance, getMechanicalDesign, getMinimumFlow, getPressure, getPressure, getProperty, getReport_json, getResultTable, getSpecification, getTemperature, getTemperature, getThermoSystem, hashCode, initMechanicalDesign, isActive, isActive, isSetEnergyStream, reportResults, run_step, runConditionAnalysis, setController, setEnergyStream, setEnergyStream, setFlowValveController, setMinimumFlow, setPressure, setRegulatorOutSignal, setSpecification, setTemperature, solved, toJson, toJson

Methods inherited from class SimulationBaseClass

getCalculateSteadyState, getCalculationIdentifier, getTime, increaseTime, isRunInSteps, setCalculateSteadyState, setCalculationIdentifier, setRunInSteps, setTime

Methods inherited from class NamedBaseClass

getName, getTagName, setName, setTagName

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface NamedInterface

getName, getTagName, setName, setTagName

Methods inherited from interface ProcessEquipmentInterface

getCapacityDuty, getCapacityMax, getExergyChange, getFluid, getRestCapacity, validateSetup

Methods inherited from interface SimulationInterface

getCalculateSteadyState, getCalculationIdentifier, getTime, increaseTime, isRunInSteps, run, run_step, runTransient, setCalculateSteadyState, setCalculationIdentifier, setRunInSteps, setTime

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

logger

private static final org.apache.logging.log4j.Logger logger

inletStream

private StreamInterface inletStream

permeateStream

private StreamInterface permeateStream

retentateStream

private StreamInterface retentateStream

permeateFractions

private final Map<String,Double> permeateFractions

permeabilities

private final Map<String,Double> permeabilities

defaultPermeateFraction

private double defaultPermeateFraction

membraneArea

private double membraneArea

Constructor Details

MembraneSeparator

public MembraneSeparator(String name)

Constructor for MembraneSeparator.

Parameters:

name - a String object

MembraneSeparator

public MembraneSeparator(String name,
 StreamInterface inletStream)

Constructor for MembraneSeparator.

Parameters:

name - a String object

inletStream - a StreamInterface object

Method Details

setInletStream

public void setInletStream(StreamInterface inletStream)

Setter for the field inletStream.

Parameters:

inletStream - a StreamInterface object

getPermeateStream

public StreamInterface getPermeateStream()

Getter for the field permeateStream.

Returns:

a StreamInterface object

getRetentateStream

public StreamInterface getRetentateStream()

Getter for the field retentateStream.

Returns:

a StreamInterface object

setMembraneArea

public void setMembraneArea(double area)

Set membrane area used for permeability calculations.

Parameters:

area - membrane area in m^2

setPermeability

public void setPermeability(String component,
 double permeability)

Specify permeability coefficient for a component.

Parameters:

component - component name

permeability - permeability in mol/(m2*s*Pa)

clearPermeateFractions

public void clearPermeateFractions()

Remove any permeate fractions set previously.

setDefaultPermeateFraction

public void setDefaultPermeateFraction(double fraction)

Set a global permeate fraction used for all components not explicitly set.

Parameters:

fraction - permeate fraction (0-1)

setPermeateFraction

public void setPermeateFraction(String component,
 double fraction)

Specify permeate fraction for a component.

Parameters:

component - component name

fraction - permeate fraction (0-1)

needRecalculation

public boolean needRecalculation()

Check if process equipment needs recalculating.

Returns:

true or false

run

public void run(UUID id)

In this method all thermodynamic and unit operations will be calculated in a steady state calculation.

Parameters:

id - UUID

runTransient

public void runTransient(double dt,
 UUID id)

runTransient

This method calculates thermodynamic and unit operations using difference equations if available and calculateSteadyState is true. Use setCalculateSteadyState to set the parameter. Sets calc identifier UUID.

Parameters:

dt - Delta time [s]

id - Calculation identifier

getMassBalance

public double getMassBalance(String unit)

getMassBalance.

Specified by:

getMassBalance in interface ProcessEquipmentInterface

Overrides:

getMassBalance in class ProcessEquipmentBaseClass

Parameters:

unit - a String object

Returns:

a double