nce.piping

Class Pipe

java.lang.Object

nce.piping.Pipe

public class Pipe
extends java.lang.Object

Process plant pipe line object

Version:

20151110

Author:

Carlo Tegano

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Pipe.FlowRegimeDeltaP
static class	Pipe.PressDropCorrVapLiq

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DENSITY
static java.lang.String	DENSITY_MOL
static java.lang.String	LAMINAR
static java.lang.String	MACH
static java.lang.String	PRESS_DROP_ADIAB Deprecated.
static java.lang.String	PRESS_DROP_INCOMP Deprecated.
static java.lang.String	PRESS_DROP_ISOT Deprecated.
static java.lang.String	PRESS_DROP_VAPLIQ Deprecated.
static java.lang.String	PRESSURE
static java.lang.String	REYNOLDS
static java.lang.String	TEMPERATURE
static java.lang.String	TP_DENSITY
static java.lang.String	TP_SLIP_RATIO
static java.lang.String	TP_VOID_FRAC
static java.lang.String	TRANSITION
static java.lang.String	TURBULENT
static java.lang.String	VELOCITY
static java.lang.String	VISCOSITY

Constructor Summary

Constructors

Constructor and Description
Pipe() Pipe object constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	defineRugosity(double rugosity) Sets absolute roughness and evaluates relative roughness
void	defineSectionGeometry(double extDiam, double thick) Define completely pipe cross section geometry
static double	evalFricFacFanningChurchill(double e, double nRe) Evaluates Fanning's friction factor with Churchill's equation.
void	evalMach() Evaluates Mach number at inlet conditions
double	evalMassVelocity() Evaluates mass velocity from available data
void	evalPressureDrop() High level driver for pressure drop computation, uses preset flow regime
void	evalPressureDrop(Pipe.FlowRegimeDeltaP pFlowRegimeDeltaP) High level driver for pressure drop computation, sets also flow regime
double	evalReynolds(double hydD, double velocity, double dens, double visc) Evaluates Reynolds number and sets whether flow regime is laminar, transition or turbulent
double	evalRugosityRel() Evaluates relative rugosity
DomainDecomposition	getDomain()
double	getExternalDiameter()
java.lang.String	getFlowRegime()
Pipe.FlowRegimeDeltaP	getFlowRegimeForDeltaP()
double	getFricFacFanning()
double	getHydDiam()
int	getId()
double	getIntArea()
double	getInternalDiameter()
java.lang.String	getLabel()
double	getLength()
double	getMachIn()
Material	getMaterial()
double	getnRe()
double	getPressDelta()
double	getPressDeltaTwoPhase()
Pipe.PressDropCorrVapLiq	getPressDropCorrVapLiq()
double	getRugosityAbs()
double	getRugosityRel()
double	getSolidArea()
double	getSpeedFluidMass()
Stream	getStream()
StreamVapLiq	getStreamVapLiq()
double	getThick()
double	getTotArea()
void	setFlowRegimeForDeltaP(Pipe.FlowRegimeDeltaP pFlowRegimeDeltaP)
void	setFluidMassVelocity(double G)
void	setId(int id)
void	setLabel(java.lang.String label)
void	setLength(double length)
void	setMachIn(double machIn)
void	setMaterial(Material material)
void	setPressDelta(double pressDelta)
void	setPressDeltaTwoPhase(double tpDeltaP)
void	setPressDropCorrVapLiq(Pipe.PressDropCorrVapLiq pPressDropVapLiqCorr)
void	setRugosityAbs(double rugosityAbs)
void	setRugosityRel(double rugosityRel)
void	setStream(Stream stream)
void	setStreamVapLiq(StreamVapLiq vlStream)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PRESS_DROP_INCOMP

public static final java.lang.String PRESS_DROP_INCOMP

Deprecated.

See Also:

Constant Field Values

PRESS_DROP_ADIAB

public static final java.lang.String PRESS_DROP_ADIAB

Deprecated.

See Also:

Constant Field Values

PRESS_DROP_ISOT

public static final java.lang.String PRESS_DROP_ISOT

Deprecated.

See Also:

Constant Field Values

PRESS_DROP_VAPLIQ

public static final java.lang.String PRESS_DROP_VAPLIQ

Deprecated.

See Also:

Constant Field Values

PRESSURE

public static java.lang.String PRESSURE

TEMPERATURE

public static java.lang.String TEMPERATURE

DENSITY

public static java.lang.String DENSITY

DENSITY_MOL

public static java.lang.String DENSITY_MOL

VISCOSITY

public static java.lang.String VISCOSITY

VELOCITY

public static java.lang.String VELOCITY

MACH

public static java.lang.String MACH

REYNOLDS

public static java.lang.String REYNOLDS

TP_VOID_FRAC

public static java.lang.String TP_VOID_FRAC

TP_SLIP_RATIO

public static java.lang.String TP_SLIP_RATIO

TP_DENSITY

public static java.lang.String TP_DENSITY

TURBULENT

public static final java.lang.String TURBULENT

See Also:

Constant Field Values

LAMINAR

public static final java.lang.String LAMINAR

See Also:

Constant Field Values

TRANSITION

public static final java.lang.String TRANSITION

See Also:

Constant Field Values

Constructor Detail

Pipe

public Pipe()

Pipe object constructor

Method Detail

setPressDropCorrVapLiq

public void setPressDropCorrVapLiq(Pipe.PressDropCorrVapLiq pPressDropVapLiqCorr)

getPressDropCorrVapLiq

public Pipe.PressDropCorrVapLiq getPressDropCorrVapLiq()

setFlowRegimeForDeltaP

public void setFlowRegimeForDeltaP(Pipe.FlowRegimeDeltaP pFlowRegimeDeltaP)

getFlowRegimeForDeltaP

public Pipe.FlowRegimeDeltaP getFlowRegimeForDeltaP()

evalFricFacFanningChurchill

public static double evalFricFacFanningChurchill(double e,
                                 double nRe)

Evaluates Fanning's friction factor with Churchill's equation. Fanning's friction factor is 1/4 of Moody's friction factor. Ref. Perry - Chemical Engineers Handbook 7th edition, Chapter 6-11

Parameters:

e - relative rugosity

nRe - Reynolds number

Returns:

Fanning friction factor

evalPressureDrop

public void evalPressureDrop()

High level driver for pressure drop computation, uses preset flow regime

evalPressureDrop

public void evalPressureDrop(Pipe.FlowRegimeDeltaP pFlowRegimeDeltaP)

High level driver for pressure drop computation, sets also flow regime

evalMach

public void evalMach()

Evaluates Mach number at inlet conditions

defineSectionGeometry

public void defineSectionGeometry(double extDiam,
                         double thick)

Define completely pipe cross section geometry

Parameters:

extDiam - external diameter [m]

thick - thickness [m]

defineRugosity

public void defineRugosity(double rugosity)

Sets absolute roughness and evaluates relative roughness

Parameters:

rugosity - absolute rugosity [m]

evalMassVelocity

public double evalMassVelocity()

Evaluates mass velocity from available data

Returns:

mass velocity [kg/s m^2]

evalReynolds

public double evalReynolds(double hydD,
                  double velocity,
                  double dens,
                  double visc)

Evaluates Reynolds number and sets whether flow regime is laminar, transition or turbulent

Returns:

Reynolds number

Throws:

java.lang.ArithmeticException

evalRugosityRel

public double evalRugosityRel()

Evaluates relative rugosity

getInternalDiameter

public double getInternalDiameter()

getThick

public double getThick()

getTotArea

public double getTotArea()

getSolidArea

public double getSolidArea()

getPressDelta

public double getPressDelta()

setPressDelta

public void setPressDelta(double pressDelta)

setLength

public void setLength(double length)

getLength

public double getLength()

getFricFacFanning

public double getFricFacFanning()

getSpeedFluidMass

public double getSpeedFluidMass()

setFluidMassVelocity

public void setFluidMassVelocity(double G)

getMachIn

public double getMachIn()

setMachIn

public void setMachIn(double machIn)

getIntArea

public double getIntArea()

getRugosityRel

public double getRugosityRel()

setRugosityRel

public void setRugosityRel(double rugosityRel)

getRugosityAbs

public double getRugosityAbs()

setRugosityAbs

public void setRugosityAbs(double rugosityAbs)

getId

public int getId()

setId

public void setId(int id)

getLabel

public java.lang.String getLabel()

setLabel

public void setLabel(java.lang.String label)

getExternalDiameter

public double getExternalDiameter()

getFlowRegime

public java.lang.String getFlowRegime()

getHydDiam

public double getHydDiam()

getMaterial

public Material getMaterial()

setMaterial

public void setMaterial(Material material)

getDomain

public DomainDecomposition getDomain()

getStream

public Stream getStream()

setStream

public void setStream(Stream stream)

getnRe

public double getnRe()

getStreamVapLiq

public StreamVapLiq getStreamVapLiq()

setStreamVapLiq

public void setStreamVapLiq(StreamVapLiq vlStream)

getPressDeltaTwoPhase

public double getPressDeltaTwoPhase()

setPressDeltaTwoPhase

public void setPressDeltaTwoPhase(double tpDeltaP)