Added VolumetricFlowRate

CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased/Snapshot]
 
+### Added
+-   Added quantity for volumetric flow rate [#363](https://github.com/ie3-institute/PowerSystemUtils/issues/363)
+
 ## [2.0.0]
 
 ### Added

src/main/java/edu/ie3/util/quantities/PowerSystemUnits.java

@@ -218,6 +218,11 @@ public class PowerSystemUnits extends Units {
   public static final Unit<ThermalConductance> KILOWATT_PER_KELVIN =
       new ProductUnit<>(KILOWATT.divide(KELVIN));
 
+  /* ==== Volumetric Flow Rate ==== */
+  /** m^3/s */
+  public static final Unit<VolumetricFlowRate> CUBIC_METRE_PER_SECOND =
+      new ProductUnit<>(CUBIC_METRE.divide(SECOND));
+
   private static final HashSet<String> REGISTERED_LABELS = new HashSet<>();
 
   static {
@@ -249,6 +254,7 @@ public class PowerSystemUnits extends Units {
     addUnit(KILOWATTHOUR_PER_KELVIN_TIMES_CUBICMETRE, "kWh/K*m³");
     addUnit(KILOWATT_PER_KELVIN, "kW/K");
     addUnit(KILOGRAM_PER_CUBIC_METRE, "kg/m³");
+    addUnit(CUBIC_METRE_PER_SECOND, "m³/s");
   }
 
   /**

src/main/java/edu/ie3/util/quantities/interfaces/VolumetricFlowRate.java

@@ -0,0 +1,10 @@
+/*
+ * © 2023. TU Dortmund University,
+ * Institute of Energy Systems, Energy Efficiency and Energy Economics,
+ * Research group Distribution grid planning and operation
+*/
+package edu.ie3.util.quantities.interfaces;
+
+import tech.units.indriya.ComparableQuantity;
+
+public interface VolumetricFlowRate extends ComparableQuantity<VolumetricFlowRate> {}