recordGeneric
Generic data record for boiler performance
Extends from Modelica.Icons.Record (Icon for records).
Information
This record is used as a template for performance data for the boiler model Buildings.Fluid.Boilers.BoilerTable.
Note that if the parameter fue is for the upper (or lower) heating value of the fuel,
then the effiency curve must be specified for the upper (or lower) heating value.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real[:,:] | effCur | [0, 1; 1, 1] | Efficiency curves as a table: First row = inlet temp(K), First column = firing rates or PLR |
| Modelica.Units.SI.Efficiency | eta_nominal | Buildings.Utilities.Math.Functions.smoothInterpolation(x = TIn_nominal, xSup = effCur[1, 2:end], ySup = effCur[end, 2:end]) | Efficiency at TIn_nominal |
| Modelica.Units.SI.Temperature | TIn_nominal | 323.15 | Nominal inlet temperature for efficiency calculations |
| Buildings.Fluid.Data.Fuels.Generic | fue | Fuel type | |
| Modelica.Units.SI.Power | Q_flow_nominal | Nominal heating power | |
| Modelica.Units.SI.ThermalConductance | UA | 0.05*Q_flow_nominal/30 | Overall UA value |
| Modelica.Units.SI.Volume | VWat | 1.5E-6*Q_flow_nominal | Water volume of boiler |
| Modelica.Units.SI.Mass | mDry | 1.5E-3*Q_flow_nominal | Mass of boiler that will be lumped to water heat capacity |
| Modelica.Units.SI.MassFlowRate | m_flow_nominal | Nominal mass flow rate | |
| Modelica.Units.SI.PressureDifference | dp_nominal | 3000 | Pressure drop at m_flow_nominal |
Revisions
-
November 2, 2021 by Hongxiang Fu:
First implementation. This is for #2651.