对齐Amesim氦气PR物性与PNVO流量

tests/test_pressure_flow_solver_initialization.py

@@ -16,6 +16,7 @@ from app.simulation.components.experimental.storage.tank import Tank
 from app.simulation.core.medium import IdealGasMedium
 from app.simulation.core.state import VolumeState
 from app.simulation.solvers.algebraic import AlgebraicSolveError, PressureFlowSolver
+from app.simulation.systems.generic import GenericFluidSystem
 from app.simulation.systems.network import SimulationNetwork
 
 
@@ -59,10 +60,40 @@ class PressureFlowSolverInitializationTests(unittest.TestCase):
         mass = medium.density(pressure, temperature) * component.V
         component.state = VolumeState(
             m=mass,
-            U=mass * medium.specific_internal_energy(temperature),
+            U=mass
+            * medium.specific_internal_energy_at_pressure(
+                pressure,
+                temperature,
+            ),
         )
         component.refresh_thermodynamic_ports()
 
+    def test_stream_enthalpy_refreshes_explicit_orifice_flow(self) -> None:
+        network, medium, high, low, valve = self._near_equal_pressure_network()
+        self._set_pressure_temperature(
+            high,
+            medium,
+            15_201_996.778497815,
+            292.3997890954483,
+        )
+        self._set_pressure_temperature(
+            low,
+            medium,
+            405_072.8123335606,
+            393.46713105173205,
+        )
+
+        system = GenericFluidSystem(network)
+        system.consistent_initial_state_vector()
+
+        self.assertLess(valve._connected_h["port_2"], 0.0)
+        self.assertAlmostEqual(
+            valve.port_2.m_flow,
+            valve.mass_flow(valve.port_2.p, valve.port_3.p),
+            places=12,
+        )
+        self.assertAlmostEqual(valve.port_3.m_flow, -valve.port_2.m_flow, places=12)
+
     def test_current_storage_pressure_reseeds_stale_orifice_ports_and_flow(self) -> None:
         network, medium, high, low, valve = self._near_equal_pressure_network()
         solver = PressureFlowSolver(network, max_evaluations=10)