modelCoolingTowerVariableSpeed
Base class for cooling towers with variable speed fan
Extends from Buildings.Fluid.HeatExchangers.CoolingTowers.BaseClasses.CoolingTower.
Information
Base model for a steady-state or dynamic cooling tower with a variable speed fan. This base model is used for both the Merkel and York calculation.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Fan | |||
| Modelica.Units.SI.Power | PFan_nominal | Fan power at full speed | |
| Real | yMin | 0.3 | Minimum control signal until fan is switched off (used for smoothing between forced and free convection regime) |
| cha.fan | fanRelPow | Fan relative power consumption as a function of control signal, fanRelPow=P(y)/P(y=1) | |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | y | Fan control signal | |
| Modelica.Blocks.Interfaces.RealOutput | PFan | Electric power consumed by fan |
Revisions
-
April 18, 2026, by Michael Wetter:
MovedTAirInWB_nominalto parent classes to allow this model to also be used for a dry cooler. -
August 26, 2021, by Baptiste Ravache:
First implementation.