Package with base classes for Buildings.Examples.ChillerPlant
Information
This package contains base classes that are used to construct the models in
Buildings.Examples.ChillerPlant.
Extends from Modelica.Icons.BasesPackage (Icon for packages containing base classes).
Package Content
| Name |
Description |
 SimplifiedRoom
|
Simplified data center room |
 Controls
|
Package with control components for Buildings.Examples.ChillerPlant |
Simplified data center room
Information
This is a simplified room model for a data center. There is no heat exchange between the room and ambient environment through the building envelope since it is negligible compared to the heat released by the servers.
Parameters
| Type | Name | Default | Description |
|---|
| replaceable package Medium | Modelica.Media.Interfaces.Pa... | Medium model |
| Length | rooLen | | Length of the room [m] |
| Length | rooWid | | Width of the room [m] |
| Height | rooHei | | Height of the room [m] |
| Power | QRoo_flow | | Heat generation of the computer room [W] |
| MassFlowRate | m_flow_nominal | | Nominal mass flow rate [kg/s] |
Connectors
| Type | Name | Description |
|---|
| replaceable package Medium | Medium model |
| VesselFluidPorts_b | airPorts[nPorts] | Fluid inlets and outlets |
Modelica definition
model SimplifiedRoom
"Simplified data center room"
replaceable package Medium =
Modelica.Media.Interfaces.PartialMedium
"Medium model";
parameter Integer nPorts=0
"Number of parts";
parameter Modelica.SIunits.Length rooLen
"Length of the room";
parameter Modelica.SIunits.Length rooWid
"Width of the room";
parameter Modelica.SIunits.Height rooHei
"Height of the room";
parameter Modelica.SIunits.Power QRoo_flow
"Heat generation of the computer room";
Buildings.Fluid.MixingVolumes.MixingVolume rooVol(
nPorts=nPorts,
redeclare each package Medium = Medium,
V=rooLen*rooWid*rooHei,
final T_start=293.15,
m_flow_nominal=m_flow_nominal)
"Volume of air in the room";
Modelica.Fluid.Vessels.BaseClasses.VesselFluidPorts_b airPorts[nPorts](
redeclare each package Medium = Medium)
"Fluid inlets and outlets";
Modelica.Thermal.HeatTransfer.Sources.PrescribedHeatFlow QSou
"Heat source of the room";
Modelica.Blocks.Sources.Ramp ramp(
height=QRoo_flow,
offset=0,
duration=36000,
startTime=0);
parameter Modelica.SIunits.MassFlowRate m_flow_nominal
"Nominal mass flow rate";
equation
connect(rooVol.ports, airPorts);
connect(QSou.port, rooVol.heatPort);
connect(ramp.y, QSou.Q_flow);
end SimplifiedRoom;
Automatically generated Thu Jun 19 11:01:55 2014.
Buildings.Examples.ChillerPlant.BaseClasses.SimplifiedRoom