AIRTERMINAL:SINGLEDUCT:CONSTANTVOLUME:COOLEDBEAM

Central air system terminal unit, single duct, constant volume, with cooled beam (active or passive).

Name
Type: alphanumeric

Availability Schedule Name
Type: list of objects (SCHEDULE:COMPACT, SCHEDULE:FILE, SCHEDULE:YEAR, SCHEDULE:CONSTANT, EXTERNALINTERFACE:SCHEDULE or EXTERNALINTERFACE:FUNCTIONALMOCKUPUNITIMPORT:TO:SCHEDULE)
Availability schedule name for this system. Schedule value > 0 means the system is available. If this field is blank, the system is always available.

Cooled Beam Type
Type: choice (Active or Passive)

Supply Air Inlet Node Name
Type: node

Supply Air Outlet Node Name
Type: node

Chilled Water Inlet Node Name
Type: node

Chilled Water Outlet Node Name
Type: node

Supply Air Volumetric Flow Rate
Type: real number
Unit: m3/s
Minimum: 0.0
Default: autosize

Maximum Total Chilled Water Volumetric Flow Rate
Type: real number
Unit: m3/s
Minimum: 0.0
Default: autosize

Number of Beams
Type: integer
Number of individual beam units in the zone
Default: autosize

Beam Length
Type: real number
Length of an individual beam unit
Unit: m
Default: autosize

Design Inlet Water Temperature
Type: real number
Unit: C
Minimum: 0.0
Default: 15.0

Design Outlet Water Temperature
Type: real number
Unit: C
Minimum: 0.0
Default: 17.0

Coil Surface Area per Coil Length
Type: real number
Unit: m2/m
Minimum: 0.0
Default: 5.422

Model Parameter a
Type: real number
Minimum: 0.0
Default: 15.3

Model Parameter n1
Type: real number
Minimum: 0.0
Default: 0.0

Model Parameter n2
Type: real number
Minimum: 0.0
Default: 0.84

Model Parameter n3
Type: real number
Minimum: 0.0
Default: 0.12

Model Parameter a0
Type: real number
Free area of the coil in plan view per unit beam length
Unit: m2/m
Minimum: 0.0
Default: 0.171

Model Parameter K1
Type: real number
Minimum: 0.0
Default: 0.0057

Model Parameter n
Type: real number
Minimum: 0.0
Default: 0.4

Coefficient of Induction Kin
Type: real number
Minimum: 0.0
Maximum: 4.0
Default: Autocalculate

Leaving Pipe Inside Diameter
Type: real number
Unit: m
Default: 0.0145