Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations
Package with correlations for cooling tower performance
Information
This package contains the performance curve for the Buildings.Fluid.HeatExchangers.CoolingTowers.YorkCalc cooling tower model.
Extends from Modelica.Icons.MaterialProperty (Icon for property classes).
Package Content
Name | Description |
---|---|
yorkCalc | Cooling tower performance correlation for YorkCalc model |
BoundsYorkCalc | Coefficient data record for properties of York cooling tower model |
Examples | Collection of models that illustrate model use and test models |
BaseClasses | Package with base classes for Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations |
Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations.yorkCalc
Cooling tower performance correlation for YorkCalc model
Information
Correlation for approach temperature for YorkCalc cooling tower model. See Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations.Examples.YorkCalc for the graph.
Inputs
Type | Name | Default | Description |
---|---|---|---|
Temperature | TWetBul | Air wet-bulb inlet temperature [K] | |
MassFraction | FRWat | Ratio actual over design water mass flow ratio [1] | |
MassFraction | FRAir | Ratio actual over design air mass flow ratio [1] | |
Nominal condition | |||
TemperatureDifference | TRan | Range temperature (water in - water out) [K] |
Outputs
Type | Name | Description |
---|---|---|
TemperatureDifference | TApp | Approach temperature [K] |
Modelica definition
Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations.BoundsYorkCalc
Coefficient data record for properties of York cooling tower model
Information
This data record contains the bounds for the YorkCalc cooling tower correlations.
Extends from Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations.BaseClasses.Bounds (Coefficient data record for properties of cooling tower model).
Parameters
Type | Name | Default | Description |
---|---|---|---|
Temperature | TAirInWB_min | 273.15 - 34.4 | Minimum air inlet wet bulb temperature [K] |
Temperature | TAirInWB_max | 273.15 + 26.7 | Maximum air inlet wet bulb temperature [K] |
Temperature | TRan_min | 1.1 | Minimum range temperature [K] |
Temperature | TRan_max | 22.2 | Minimum range temperature [K] |
Temperature | TApp_min | 1.1 | Minimum approach temperature [K] |
Temperature | TApp_max | 40 | Minimum approach temperature [K] |
Real | FRWat_min | 0.75 | Minimum water flow ratio |
Real | FRWat_max | 1.25 | Maximum water flow ratio |
Real | liqGasRat_max | 8 | Maximum liquid to gas ratio |