recordBaseCoolingTower
Performance data record for dry and wet cooling towers
Extends from Modelica.Icons.Record (Icon for records).
Information
Basic performance data record for a dry and wet cooling towers
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | PFan_Q_flow_nominal | -0.05 | Ratio of fan power to provided cooling at full load (negative as Q_flow_nominal<0) |
| Modelica.Units.SI.Power | PFan_nominal | abs(PFan_Q_flow_nominal*Q_flow_nominal) | Fan power at full speed |
| Nominal thermal performance | |||
| Modelica.Units.SI.HeatFlowRate | Q_flow_nominal | Nominal heat flow rate (negative, as heat is removed from the fluid) | |
| Modelica.Units.SI.Temperature | TCooIn_nominal | Nominal cooling loop inlet temperature | |
| Modelica.Units.SI.Temperature | TCooOut_nominal | Nominal cooling loop outlet temperature | |
| Nominal condition | |||
| Modelica.Units.SI.PressureDifference | dp_nominal | Pressure difference at design mass flow rate | |
| Advanced | |||
| Real | ratCooAir_nominal | Coolant-to-air mass flow rate ratio at design condition, used to compute air flow rate for UA_value | |
| Buildings.Fluid.HeatExchangers.CoolingTowers.BaseClasses.Characteristics.fan | fanRelPow | Fan relative power consumption as a function of control signal, fanRelPow=P(y)/P(y=1) | |
| Real | fraFreCon | 0.125 | Fraction of tower capacity in free convection regime |
Revisions
-
April 22, 2026, by Michael Wetter:
First implementation.