修正test_mql PNL0003节点混合焓

PythonModels/systems/test_mql_closure.py

@@ -1913,6 +1913,17 @@ class TestMqlPn3P4NodeChamberSegmentClosure:
             port_3_mass_flow_g_s=port_3.port_mass_flow_kg_s * 1.0e3,
         )
 
+    @staticmethod
+    def _pn3_node_port_2_connected_h(
+        *,
+        balance: TestMqlPneumaticNode3Balance,
+        fallback_h: float,
+    ) -> float:
+        mass_flow_kg_s = balance.port_2_mass_flow_g_s * 1.0e-3
+        if abs(mass_flow_kg_s) <= 1.0e-12:
+            return fallback_h
+        return balance.port_2_enthalpy_flow_w / mass_flow_kg_s
+
     @staticmethod
     def _p4_node_port_2_connected_h(
         *,
@@ -2197,10 +2208,15 @@ class TestMqlPn3P4NodeChamberSegmentClosure:
         port_1_flow: float,
         port_2_connected_properties: ThermodynamicProperties,
         port_2_flow: float,
+        port_1_connected_h: float | None = None,
     ) -> tuple[VolumeState, VolumeState]:
         return line.derivatives_from_connections(
             port_1_m_flow=port_1_flow,
-            connected_h_1=port_1_properties.h,
+            connected_h_1=(
+                port_1_properties.h
+                if port_1_connected_h is None
+                else port_1_connected_h
+            ),
             port_2_m_flow=port_2_flow,
             connected_h_2=port_2_connected_properties.h,
         )
@@ -2884,6 +2900,10 @@ class TestMqlPn3P4NodeChamberSegmentClosure:
             port_1_flow=snapshot.p4_port3_remote_node_to_orifice_line_flow,
             port_2_connected_properties=snapshot.p4_port3_remote_primary_line,
             port_2_flow=-snapshot.p4_port3_remote_orifice_to_node_flow,
+            port_1_connected_h=self._pn3_node_port_2_connected_h(
+                balance=snapshot.p4_port3_remote_orifice_node_balance,
+                fallback_h=snapshot.p4_port3_remote_orifice_line_port_1.h,
+            ),
         )
         (
             p4_port3_next_orifice_derivative_1,