modelMixedWaterTank
Uniform water tank
Information
Hypothesis and equations
Fully mixed thermal storage tank equivalent to a RC model
Used in HPWaterHeaterPoly_Uniform model.
Bibliography
none
Instructions for use
none
Known limits / Use precautions
none
Validations
Validated model - Kévin Deutz 08/2017
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Licensed by EDF under a 3-clause BSD-license
Copyright © EDF 2009 - 2023
BuildSysPro version 3.6.0
Author : Kévin DEUTZ, EDF (2017)
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Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | initialTemperature | 10 + 273.15 | Initial water temperature in the tank [K] |
| Modelica.Units.SI.Volume | tankVolume | 0.2 | Tank volume [m3] |
| Boolean | UA_userdefined | true | If true, user defines UA else based normative test sequence |
| Modelica.Units.SI.ThermalConductance | UA | 1 | Insulating heat transfer coefficient [W/K] |
| Modelica.Units.SI.Power | standbyPower | 25 | Standby power [W] |
| Modelica.Units.SI.Temperature | T_amb | 20 + 273.15 | Ambient temperature [K] |
| Modelica.Units.SI.Power | auxiliaryPower | 1800 | Fixed heating power of the auxiliary heater [W] |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | m_flow | Inlet cold water mass flow rate [kg/s] | |
| Modelica.Blocks.Interfaces.RealInput | T_in | Inlet cold water temperature [K] | |
| Modelica.Blocks.Interfaces.BooleanInput | onOffAuxiliary | Boolean for switching on/off the auxiliaries | |
| Modelica.Blocks.Interfaces.RealInput | heatInput | Injected heat power [W] | |
| Modelica.Blocks.Interfaces.RealOutput | T_sensor | Water temperature in the tank [K] |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Units.SI.Temperature | T_tank | Water temperature in the tank [K] | |
| Modelica.Units.SI.Energy | E_stored | Energy stored in the tank [J] | |
| Modelica.Units.SI.Power | P_loss | Power losses [W] |