modelConstantAirFlowRecup
Idealised ventilation System with constant airflow rate and heat recovery unit with constant efficiency
Extends from IDEAS.Templates.Interfaces.BaseClasses.VentilationSystem.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Real | n | Air change rate (Air changes per hour ACH) | |
| Modelica.Units.SI.MassFlowRate | m_flow_nominal | sum(n.*VZones)/3600*1.204 | total ventilation mass flow rate |
| Modelica.Units.SI.Time | tau | 30 | time constant of the ventilation system |
| Modelica.Units.SI.Efficiency | recupEff | 0.84 | Efficiency of heat recuperation |
| Modelica.Units.SI.Pressure | sysPres | 150 | Total static and dynamic pressure drop, Pa |
| Modelica.Units.SI.Efficiency | fanEff | 0.85 | Fan efficiency |
| Modelica.Units.SI.Efficiency | motEff | 0.80 | Motor efficiency |
| Modelica.Units.SI.Pressure | dp_nominal_sup | 0 | Nominal pressure drop in the heat exchanger at the supply side |
| Modelica.Units.SI.Pressure | dp_nominal_ret | 0 | Nominal pressure drop in the heat exchanger at the return side |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| IDEAS.Fluid.HeatExchangers.ConstantEffectiveness | hex | Heat exchanger for the recuperator | |
| IDEAS.Fluid.Sources.Boundary_pT | sink | ||
| IDEAS.Fluid.Sources.Boundary_pT | sou | Ambient air | |
| IDEAS.Fluid.Movers.FlowControlled_m_flow[nZones] | fan | Fan with constant flow rate | |
| Modelica.Blocks.Sources.RealExpression | realExpression |
Revisions
-
December 17, 2024, by Anna Dell'Isola:
Update calculation of ventilation mass flow rate and addition of nominal pressure drops in heat exchanger. See #1400 -
October 30, 2024, by Lucas Verleyen:
Updates according to IBPSA.
See #1383 (and IBPSA, #1926). -
June 5, 2018 by Filip Jorissen:
Cleaned up implementation for #821.