model RelativeTemperature "Ideal relative temperature sensor"
extends Sensors.BaseClasses.PartialRelativeSensor;
Modelica.Blocks.Interfaces.RealOutput T_rel(final quantity = "ThermodynamicTemperature", final unit = "K", displayUnit = "degC", min = 0) "Relative temperature signal"
annotation (Placement(transformation(
origin = {0, -90},
extent = {
{10, -10},
{-10, 10}},
rotation = 90)));
equation
T_rel = Medium.temperature(Medium.setState_phX(port_a.p, inStream(port_a.h_outflow), inStream(port_a.Xi_outflow))) - Medium.temperature(Medium.setState_phX(port_b.p, inStream(port_b.h_outflow), inStream(port_b.Xi_outflow)));
annotation (
Icon(graphics = {
Line(
points = {
{0, -30},
{0, -80}},
color = {0, 0, 127}),
Text(
extent = {
{128, -70},
{10, -100}},
textString = "T_rel")}),
Documentation(info = "<html>\n<p>\nThe relative temperature \"T(port_a) - T(port_b)\" is determined between\nthe two ports of this component and is provided as output signal. The\nsensor should be connected in parallel with other equipment, no flow\nthrough the sensor is allowed.\n</p>\n</html>"));
end RelativeTemperature;