Class SurgeCurve

java.lang.Object

neqsim.process.equipment.compressor.BoundaryCurve

neqsim.process.equipment.compressor.SurgeCurve

All Implemented Interfaces:

Serializable, BoundaryCurveInterface

Direct Known Subclasses:

SafeSplineSurgeCurve

public class SurgeCurve
extends BoundaryCurve

SurgeCurve defines the compressor surge limit.

Author:

esol

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static org.apache.logging.log4j.Logger	logger	Logger object for class.
private static final long	serialVersionUID

Fields inherited from class BoundaryCurve

chartConditions, flow, flowFitter, flowFitterFunc, head, isActive

Constructor Summary

Constructors

Constructor	Description
SurgeCurve()	Default constructor.
SurgeCurve(double[] flow, double[] head)	Create a surge curve from flow and head arrays.

Method Summary

Modifier and Type	Method	Description
double	getSurgeFlow(double head)	Get the surge flow for a given head.
boolean	isLimit(double head, double flow)	Check if a flow/head point is on the limiting side of the curve.
boolean	isSurge(double head, double flow)	Check if the given point is in surge.

Methods inherited from class BoundaryCurve

equals, getFlow, getFlow, getHead, hashCode, isActive, setActive, setCurve

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

logger

static org.apache.logging.log4j.Logger logger

Logger object for class.

Constructor Details

SurgeCurve

public SurgeCurve()

Default constructor.

SurgeCurve

public SurgeCurve(double[] flow,
 double[] head)

Create a surge curve from flow and head arrays.

Parameters:

flow - array of flow values

head - array of head values

Method Details

getSurgeFlow

public double getSurgeFlow(double head)

Get the surge flow for a given head.

Parameters:

head - head value

Returns:

surge flow

isSurge

public boolean isSurge(double head,
 double flow)

Check if the given point is in surge.

Parameters:

head - head value

flow - flow value

Returns:

true if the point is in surge

isLimit

public boolean isLimit(double head,
 double flow)

Check if a flow/head point is on the limiting side of the curve.

Parameters:

head - the head value

flow - the flow value

Returns:

true if the point violates the limit represented by the curve