校准第二支路热流体能量与管路摩擦

tests/test_amesim_pneumatic_node_components.py

@@ -68,7 +68,7 @@ class AmesimPneumaticNodeComponentTests(unittest.TestCase):
             ),
         )
 
-    def test_node_stream_outflow_uses_incoming_weighted_mix(self) -> None:
+    def test_node_uses_port_2_temperature_for_non_reference_outlets(self) -> None:
         node = AmesimP4Node2("p4_1")
         node.port_1.m_flow = 0.25
         node.port_2.m_flow = 0.75
@@ -84,10 +84,44 @@ class AmesimPneumaticNodeComponentTests(unittest.TestCase):
             }
         )
 
-        self.assertEqual(node.port_1.h_outflow, 250.0)
+        self.assertEqual(node.temperature_reference_h, 300.0)
+        self.assertEqual(node.port_1.h_outflow, 300.0)
         self.assertEqual(node.port_2.h_outflow, 250.0)
-        self.assertEqual(node.port_3.h_outflow, 250.0)
-        self.assertEqual(node.port_4.h_outflow, 250.0)
+        self.assertEqual(node.port_3.h_outflow, 300.0)
+        self.assertEqual(node.port_4.h_outflow, 300.0)
+
+    def test_port_2_outlet_closes_node_energy_balance(self) -> None:
+        node = AmesimP4Node2("p4_1")
+        node.port_1.m_flow = -0.01823
+        node.port_2.m_flow = -2.56077
+        node.port_3.m_flow = 2.579
+        node.port_4.m_flow = 0.0
+
+        node.update_stream_outflows(
+            {
+                "port_1": 2_630_000.0,
+                "port_2": 140_900.0,
+                "port_3": 63_960.0,
+                "port_4": 0.0,
+            }
+        )
+
+        self.assertEqual(node.port_1.h_outflow, 140_900.0)
+        energy_flow = sum(
+            port.m_flow
+            * (
+                {
+                    "port_1": 2_630_000.0,
+                    "port_2": 140_900.0,
+                    "port_3": 63_960.0,
+                    "port_4": 0.0,
+                }[name]
+                if port.m_flow > 0.0
+                else port.h_outflow
+            )
+            for name, port in node.ports.items()
+        )
+        self.assertAlmostEqual(energy_flow, 0.0, places=10)
 
 
 if __name__ == "__main__":