接入test_mql pneumatic_69传输焓RHS

PythonModels/systems/test_mql.py

@@ -4190,21 +4190,24 @@ class TestMqlFullStateClosure:
         chamber_properties = getattr(snapshot.pneumatic, chamber_field)
         chamber_to_line_flow = getattr(snapshot.pneumatic, chamber_flow_field)
         node_to_line_flow = getattr(snapshot.pneumatic, node_flow_field)
-        line_derivative = line.derivatives_from_connections(
+        p4_balance = snapshot.pneumatic.p4_port3_remote_balance
+        p4_port_2_mass_flow_kg_s = p4_balance.port_2_mass_flow_g_s * 1.0e-3
+        node_connected_h = (
+            line_properties.h
+            if abs(p4_port_2_mass_flow_kg_s) <= 1.0e-12
+            else p4_balance.port_2_enthalpy_flow_w / p4_port_2_mass_flow_kg_s
+        )
+        line_derivative = line.derivatives_from_transport_enthalpy_connections(
             port_1_m_flow=chamber_to_line_flow,
             connected_h_1=chamber_properties.h,
             port_2_m_flow=node_to_line_flow,
-            connected_h_2=line_properties.h,
+            connected_h_2=node_connected_h,
         )
-        port_1_inlet_u = (
-            chamber_properties.h / line.gas.gamma
-            if chamber_to_line_flow > 0.0
-            else line_properties.u
+        port_1_inlet_h = (
+            chamber_properties.h if chamber_to_line_flow > 0.0 else line_properties.h
         )
-        port_2_inlet_u = (
-            line_properties.h / line.gas.gamma
-            if node_to_line_flow > 0.0
-            else line_properties.u
+        port_2_inlet_h = (
+            node_connected_h if node_to_line_flow > 0.0 else line_properties.h
         )
         thermal_energy_flow = (
             line.heat_transfer_coefficient
@@ -4221,8 +4224,8 @@ class TestMqlFullStateClosure:
             chamber_to_line_flow_kg_s=chamber_to_line_flow,
             node_to_line_flow_kg_s=node_to_line_flow,
             mass_derivative_kg_s=line_derivative.m,
-            port_1_energy_flow_w=chamber_to_line_flow * port_1_inlet_u,
-            port_2_energy_flow_w=node_to_line_flow * port_2_inlet_u,
+            port_1_energy_flow_w=chamber_to_line_flow * port_1_inlet_h,
+            port_2_energy_flow_w=node_to_line_flow * port_2_inlet_h,
             thermal_energy_flow_w=thermal_energy_flow,
             energy_derivative_w=line_derivative.U,
         )

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 _p4_node_port_2_connected_h(
+        *,
+        balance: TestMqlPneumaticNode4Balance,
+        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
+
     def _p4_node_balance(
         self,
         *,
@@ -2073,12 +2084,20 @@ class TestMqlPn3P4NodeChamberSegmentClosure:
         chamber_properties: ThermodynamicProperties,
         chamber_to_line_flow: float,
         node_to_line_flow: float,
+        node_connected_h: float | None = None,
     ) -> tuple[VolumeState, VolumeState]:
-        line_derivative = line.derivatives_from_connections(
+        derivative_method = (
+            line.derivatives_from_connections
+            if node_connected_h is None
+            else line.derivatives_from_transport_enthalpy_connections
+        )
+        line_derivative = derivative_method(
             port_1_m_flow=chamber_to_line_flow,
             connected_h_1=chamber_properties.h,
             port_2_m_flow=node_to_line_flow,
-            connected_h_2=line_properties.h,
+            connected_h_2=(
+                line_properties.h if node_connected_h is None else node_connected_h
+            ),
         )
         chamber_derivative = chamber.derivatives_from_two_connections(
             port_a_m_flow=-chamber_to_line_flow,
@@ -2791,6 +2810,10 @@ class TestMqlPn3P4NodeChamberSegmentClosure:
             chamber_properties=snapshot.p4_port3_remote_primary_chamber,
             chamber_to_line_flow=snapshot.p4_port3_remote_chamber_to_line_flow,
             node_to_line_flow=snapshot.p4_port3_remote_node_to_primary_line_flow,
+            node_connected_h=self._p4_node_port_2_connected_h(
+                balance=snapshot.p4_port3_remote_balance,
+                fallback_h=snapshot.p4_port3_remote_primary_line.h,
+            ),
         )
         p4_port3_remote_port3_derivative = self._connection_line_derivative(
             line=self.components.p4_port3_remote_port3_line,