对齐Amesim氦气PR物性与PNVO流量

tests/test_amesim_pneumatic_components.py

@@ -51,8 +51,8 @@ class AmesimPneumaticComponentsTest(unittest.TestCase):
         self.assertAlmostEqual(ideal_reference_h, -54099.6354, delta=0.001)
         self.assertAlmostEqual(
             pressure_reference_h - ideal_reference_h,
-            11936.1,
-            delta=0.1,
+            12762.690087540526,
+            delta=1.0e-4,
         )
 
     def test_pressure_transport_enthalpy_restores_absolute_energy_offset(self) -> None: