IFC 4.3.0.1 (IFC4X3) development

7.5.4.27 Pset_CoolingTowerPHistory

7.5.4.27.1 Semantic definition

Cooling tower performance history attributes.

7.5.4.27.2 Applicable entities

7.5.4.27.3 Properties

Name Property Type Data Type Description
Capacity IfcPropertyReferenceValue IfcTimeSeries

The capacity of the element.

Heat transfer rate of the cooling tower between air stream and water stream.

HeatTransferCoefficient IfcPropertyReferenceValue IfcTimeSeries

Heat transfer coefficient-area product.

SumpHeaterPower IfcPropertyReferenceValue IfcTimeSeries

Electrical heat power of sump heater.

UACurve IfcPropertyReferenceValue IfcTimeSeries

UA value.

As a function of fan speed at certain water flow rate, UA = f ( fan speed).

Performance IfcPropertyReferenceValue IfcTimeSeries

Water temperature change as a function of wet-bulb temperature, water entering temperature, water flow rate, air flow rate, Tdiff = f ( Twet-bulb, Twater,in, mwater, mair).

Table 7.5.4.27.A

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7.5.4.27.4 Changelog