HEADEREDPUMPS:CONSTANTSPEED
This Headered pump object describes a pump bank with more than 1 pump in parallel
Name
Inlet Node Name
Type: node
Outlet Node Name
Type: node
Total Design Flow Rate
If the field is not autosized set to the flow rate to the total flow when all pumps are running at full load
Unit: m3/s
Number of Pumps in Bank
Type: integer
Flow Sequencing Control Scheme
Type: choice
( or Sequential)
Default: Sequential
Design Pump Head
Default head is 60 feet
Unit: Pa
Default: 179352
Design Power Consumption
If the field is not autosized set to the power consumed by the pump bank when all the pumps are running at nominal flow When autosized the type of scaling factor is chosen in the input field Design Power Sizing Method
Unit: W
Motor Efficiency
Type: real number
This is the motor efficiency only. When the Design Power Consumption is autosized using PowerPerFlowPerPressure, the Design Shaft Power per Unit Flow Rate per Unit Head is used in addition to the motor efficiency.
Maximum: 1.0
Default: 0.9
Fraction of Motor Inefficiencies to Fluid Stream
Minimum: 0.0
Maximum: 1.0
Default: 0.0
Pump Control Type
Type: choice
(Continuous or Intermittent)
Default: Continuous
Pump Flow Rate Schedule Name
Type: list of objects
(
SCHEDULE:COMPACT,
SCHEDULE:FILE,
SCHEDULE:YEAR,
SCHEDULE:CONSTANT,
EXTERNALINTERFACE:SCHEDULE or
EXTERNALINTERFACE:FUNCTIONALMOCKUPUNITIMPORT:TO:SCHEDULE)
Modifies the rated flow rate of the pump on a time basis. Default is that the pump is on and runs according to its other operational requirements specified above. The schedule is for special pump operations.
Zone Name
Type: list of objects
( or
ZONE)
Optional, if used pump losses transfered to zone as internal gains
Skin Loss Radiative Fraction
Type: real number
Optional. If zone identified in previous field then this determines the split between convection and radiation for the skin losses
Minimum: 0.0
Maximum: 1.0
Design Power Sizing Method
Type: choice
(PowerPerFlow or PowerPerFlowPerPressure)
Used to indicate which sizing factor is used to calculate Design Power Consumption. PowerPerFlow indicates that Design Electric Power per Unit Flow Rate is used as scaling factor. Design Power Consumption = Design Maximum Flow Rate * scaling factor PowerPerFlowPerPressure indicates that Design Shaft Power per Unit Flow Rate per Unit Head is used as scaling factor. Design Power Consumption = Design Maximum Flow Rate * Design Pump Head * scaling factor / Motor Efficiency
Default: PowerPerFlowPerPressure
Design Electric Power per Unit Flow Rate
Type: real number
Used to size Design Power Consumption from design flow rate
Unit: W/(m3/s)
Default: 348701.1
Design Shaft Power per Unit Flow Rate per Unit Head
Type: real number
Used to size Design Power Consumption from design flow rate for head and motor efficiency
Unit: W/((m3/s)-Pa)
Default: 1.282051282
End-Use Subcategory
Type: alphanumeric
Any text may be used here to categorize the end-uses in the ABUPS End Uses by Subcategory table.
Default: General