Class CompressorCostEstimate

java.lang.Object

neqsim.process.costestimation.UnitCostEstimateBaseClass

neqsim.process.costestimation.compressor.CompressorCostEstimate

All Implemented Interfaces:

Serializable

public class CompressorCostEstimate
extends UnitCostEstimateBaseClass

Cost estimation class for compressors.

This class provides compressor-specific cost estimation methods using chemical engineering cost correlations for centrifugal, reciprocating, and screw compressors. Includes driver costs for electric motors, gas turbines, and steam turbines.

Version:

2.0

Author:

ESOL

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private String	compressorType	Compressor type.
private String	driverType	Driver type.
private boolean	includeDriver	Include driver in cost.
private boolean	includeIntercoolers	Include intercoolers.
private int	numberOfStages	Number of stages.
private static final long	serialVersionUID	Serialization version UID.

Fields inherited from class UnitCostEstimateBaseClass

annualOperatingCost, bareModuleCost, costCalculator, equipmentType, grassRootsCost, installationManHours, mechanicalEquipment, purchasedEquipmentCost, totalModuleCost

Constructor Summary

Constructors

Constructor	Description
CompressorCostEstimate(CompressorMechanicalDesign mechanicalEquipment)	Constructor for CompressorCostEstimate.

Method Summary

Modifier and Type	Method	Description
double	calcAnnualMaintenanceCost()	Calculate maintenance cost per year (typically 3-6% of capital).
double	calcAnnualOperatingCost(double hoursPerYear, double electricityRate, double fuelRate)	Calculate annual operating cost (electricity or fuel).
private double	calcAxialCompressorCost(double power)	Calculate axial compressor cost.
private double	calcDriverCost(double power)	Calculate driver cost.
private double	calcIntercoolersCost(double power, int numberOfIntercoolers)	Calculate intercoolers cost.
protected double	calcPurchasedEquipmentCost()	Calculate purchased equipment cost.
private double	calcScrewCompressorCost(double power)	Calculate screw compressor cost.
String	getCompressorType()	Get the compressor type.
Map<String,Object>	getCostBreakdown()	Get cost breakdown as map.
String	getDriverType()	Get the driver type.
double	getTotalCost()	Get total cost using simple weight-based method.
void	setCompressorType(String type)	Set the compressor type.
void	setDriverType(String type)	Set the driver type.
void	setIncludeDriver(boolean include)	Set whether to include driver cost.
void	setIncludeIntercoolers(boolean include)	Set whether to include intercoolers.
void	setNumberOfStages(int stages)	Set number of compression stages.

Methods inherited from class UnitCostEstimateBaseClass

calcAnnualOperatingCost, calculateCostEstimate, equals, generateBillOfMaterials, getBareModuleCost, getCostCalculator, getCostPerWeightUnit, getEquipmentType, getGrassRootsCost, getInstallationManHours, getMaterialFactor, getMaterialGrade, getPurchasedEquipmentCost, getTotalModuleCost, hashCode, setCostCalculator, setCostPerWeightUnit, setCurrentCepci, setEquipmentType, setLocationFactor, setMaterialOfConstruction, toCompactJson, toJson, toMap

Methods inherited from class Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

Serialization version UID.

See Also:

• Constant Field Values

compressorType

private String compressorType

Compressor type.

driverType

private String driverType

Driver type.

includeDriver

private boolean includeDriver

Include driver in cost.

numberOfStages

private int numberOfStages

Number of stages.

includeIntercoolers

private boolean includeIntercoolers

Include intercoolers.

Constructor Details

CompressorCostEstimate

public CompressorCostEstimate(CompressorMechanicalDesign mechanicalEquipment)

Constructor for CompressorCostEstimate.

Parameters:

mechanicalEquipment - a CompressorMechanicalDesign object

Method Details

setCompressorType

public void setCompressorType(String type)

Set the compressor type.

Parameters:

type - compressor type ("centrifugal", "reciprocating", "screw", "axial")

getCompressorType

public String getCompressorType()

Get the compressor type.

Returns:

compressor type

setDriverType

public void setDriverType(String type)

Set the driver type.

Parameters:

type - driver type ("electric-motor", "gas-turbine", "steam-turbine", "gas-engine")

getDriverType

public String getDriverType()

Get the driver type.

Returns:

driver type

setIncludeDriver

public void setIncludeDriver(boolean include)

Set whether to include driver cost.

Parameters:

include - true to include driver

setNumberOfStages

public void setNumberOfStages(int stages)

Set number of compression stages.

Parameters:

stages - number of stages

setIncludeIntercoolers

public void setIncludeIntercoolers(boolean include)

Set whether to include intercoolers.

Parameters:

include - true to include intercoolers

calcPurchasedEquipmentCost

protected double calcPurchasedEquipmentCost()

Calculate purchased equipment cost.

Override this method in subclasses to provide equipment-specific cost correlations.

Overrides:

calcPurchasedEquipmentCost in class UnitCostEstimateBaseClass

Returns:

purchased equipment cost in USD

calcScrewCompressorCost

private double calcScrewCompressorCost(double power)

Calculate screw compressor cost.

Parameters:

power - power in kW

Returns:

cost in USD

calcAxialCompressorCost

private double calcAxialCompressorCost(double power)

Calculate axial compressor cost.

Parameters:

power - power in kW

Returns:

cost in USD

calcDriverCost

private double calcDriverCost(double power)

Calculate driver cost.

Parameters:

power - shaft power required in kW

Returns:

driver cost in USD

calcIntercoolersCost

private double calcIntercoolersCost(double power,
 int numberOfIntercoolers)

Calculate intercoolers cost.

Parameters:

power - compressor power in kW

numberOfIntercoolers - number of intercoolers

Returns:

total intercoolers cost in USD

calcAnnualOperatingCost

public double calcAnnualOperatingCost(double hoursPerYear,
 double electricityRate,
 double fuelRate)

Calculate annual operating cost (electricity or fuel).

Parameters:

hoursPerYear - operating hours per year

electricityRate - electricity rate in $/kWh (for electric motor)

fuelRate - fuel rate in $/GJ (for gas turbine/engine)

Returns:

annual operating cost in USD

calcAnnualMaintenanceCost

public double calcAnnualMaintenanceCost()

Calculate maintenance cost per year (typically 3-6% of capital).

Returns:

annual maintenance cost in USD

getTotalCost

public double getTotalCost()

Get total cost using simple weight-based method.

Overrides:

getTotalCost in class UnitCostEstimateBaseClass

Returns:

the total cost in USD

getCostBreakdown

public Map<String,Object> getCostBreakdown()

Get cost breakdown as map.

Returns:

map with cost breakdown