ChillerEfficiency Class Reference

Contains the Consumption (Water / Power / Energy) & Savings calculators for Chiller Efficiency : Temperature Reset Capacity Staging. More...

#include <ChillerEfficiency.h>

Classes
struct	CapacityPowerEnergyConsumptionOutput
struct	Output
struct	StagingPowerConsumptionOutput

Public Types
enum	ChillerType { Centrifugal , Screw }
enum	CondenserCoolingType { Water , Air }
enum	CompressorConfigType { NoVFD , VFD , MagneticBearing }

Static Public Member Functions
static CapacityPowerEnergyConsumptionOutput	ChillerCapacityEfficiency (const ChillerType chillerType, const CondenserCoolingType condenserCoolingType, const CompressorConfigType compressorConfigType, const double ariCapacity, const double ariEfficiency, const double maxCapacityRatio, const double operatingHours, const double waterFlowRate, const double waterDeltaT, const double baselineWaterSupplyTemp, const double baselineWaterEnteringTemp, const double modWaterSupplyTemp, const double modWaterEnteringTemp)
static StagingPowerConsumptionOutput	ChillerStagingEfficiency (const ChillerType chillerType, const CondenserCoolingType condenserCoolingType, const CompressorConfigType compressorConfigType, const double ariCapacity, const double ariEfficiency, const double maxCapacityRatio, const double operatingHours, const double waterSupplyTemp, const double waterEnteringTemp, const std::vector< double > baselineLoadList, const std::vector< double > modLoadList)

Static Private Member Functions
static void	InitConstCoefficients (const ChillerType &chillerType, const CondenserCoolingType &condenserCoolingType, const CompressorConfigType &compressorConfigType, const double ariCapacity, const double ariEfficiency, const double maxCapacityRatio, std::vector< double > &cCAP, std::vector< double > &cCHWT, std::vector< double > &cPLR, double &cFactor, double &ratedEIR, double &percentCapacity)
static Output	ChillerPowerConsumption (const double waterSupplyTemp, const double waterEnteringTemp, const std::vector< double > &cCAP, const std::vector< double > &cCHWT, const std::vector< double > &cPLR, const double load, const double cFactor, const double percentCapacity, const double ratedEIR)

Detailed Description

Author

Omer Aziz (omerb)

Bug:

No known bugs.

Definition at line 20 of file ChillerEfficiency.h.

Member Enumeration Documentation

ChillerType

enum ChillerEfficiency::ChillerType

Definition at line 22 of file ChillerEfficiency.h.

CompressorConfigType

enum ChillerEfficiency::CompressorConfigType

Definition at line 26 of file ChillerEfficiency.h.

CondenserCoolingType

enum ChillerEfficiency::CondenserCoolingType

Definition at line 24 of file ChillerEfficiency.h.

Member Function Documentation

ChillerCapacityEfficiency()

static CapacityPowerEnergyConsumptionOutput ChillerEfficiency::ChillerCapacityEfficiency ( const ChillerType  chillerType, const CondenserCoolingType  condenserCoolingType, const CompressorConfigType  compressorConfigType, const double  ariCapacity, const double  ariEfficiency, const double  maxCapacityRatio, const double  operatingHours, const double  waterFlowRate, const double  waterDeltaT, const double  baselineWaterSupplyTemp, const double  baselineWaterEnteringTemp, const double  modWaterSupplyTemp, const double  modWaterEnteringTemp  )

inlinestatic

Parameters

chillerType	enum Centrifugal, Screw
condenserCoolingType	enum Water, Air
compressorConfigType	enum NoVFD, VFD, MagneticBearing
ariCapacity	double, units ton
ariEfficiency	double, units kW/ton
maxCapacityRatio	double
operatingHours	double, units hours
waterFlowRate	double, units GPM
waterDeltaT	double, units F
baselineWaterSupplyTemp	double, units F
baselineWaterEnteringTemp	double, units F
modWaterSupplyTemp	double, units F
modWaterEnteringTemp	double, units F

Returns

Parameters

baselineActualCapacity	double, units ton
baselineActualEfficiency	double, units kW/ton
baselinePower	double, units kW
baselineEnergy	double, units kWh
modActualCapacity	double, units ton
modActualEfficiency	double, units kW/ton
modPower	double, units kW
modEnergy	double, units kWh
savingsEnergy	double, units kWh

Definition at line 90 of file ChillerEfficiency.h.

ChillerPowerConsumption()

static Output ChillerEfficiency::ChillerPowerConsumption ( const double  waterSupplyTemp, const double  waterEnteringTemp, const std::vector< double > &  cCAP, const std::vector< double > &  cCHWT, const std::vector< double > &  cPLR, const double  load, const double  cFactor, const double  percentCapacity, const double  ratedEIR  )

inlinestaticprivate

Definition at line 253 of file ChillerEfficiency.h.

ChillerStagingEfficiency()

static StagingPowerConsumptionOutput ChillerEfficiency::ChillerStagingEfficiency ( const ChillerType  chillerType, const CondenserCoolingType  condenserCoolingType, const CompressorConfigType  compressorConfigType, const double  ariCapacity, const double  ariEfficiency, const double  maxCapacityRatio, const double  operatingHours, const double  waterSupplyTemp, const double  waterEnteringTemp, const std::vector< double >  baselineLoadList, const std::vector< double >  modLoadList  )

inlinestatic

Parameters

ariCapacity	double, units ton
ariEfficiency	double, units kW/ton
maxCapacityRatio	double
ariCapacity	double, units ton
ariEfficiency	double, units kW/ton
maxCapacityRatio	double
operatingHours	double, units hours
waterSupplyTemp	double, units F
waterEnteringTemp	double, units F
baselineLoadList,list	of doubles for each baseline chiller load
modLoadList,list	of doubles for each modifications chiller load

Returns

Parameters

baselinePowerList,list	of doubles of power consumption corresponding to each baseline chiller load
modPowerList,list	of doubles of power consumption corresponding to each modifications chiller load
baselineTotalPower	double, units kW
baselineTotalEnergy	double, units kWh
modTotalPower	double, units kW
modTotalEnergy	double, units kWh
savingsEnergy	double, units kWh

Definition at line 148 of file ChillerEfficiency.h.

InitConstCoefficients()

static void ChillerEfficiency::InitConstCoefficients ( const ChillerType &  chillerType, const CondenserCoolingType &  condenserCoolingType, const CompressorConfigType &  compressorConfigType, const double  ariCapacity, const double  ariEfficiency, const double  maxCapacityRatio, std::vector< double > &  cCAP, std::vector< double > &  cCHWT, std::vector< double > &  cPLR, double &  cFactor, double &  ratedEIR, double &  percentCapacity  )

inlinestaticprivate

Definition at line 208 of file ChillerEfficiency.h.

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The documentation for this class was generated from the following file:

• include/processCooling/ChillerEfficiency.h