校准第二支路热流体能量与管路摩擦

tests/test_amesim_pnl00r_component.py

@@ -66,6 +66,50 @@ class AmesimPnl00rComponentTests(unittest.TestCase):
         self.assertGreater(pipe.friction_factor(100000.0), 0.0)
         self.assertLess(pipe.friction_factor(100000.0), 0.1)
 
+    def test_friction_factor_matches_amesim_smooth_to_rough_transition(self) -> None:
+        pipe_20mm = AmesimPnl00r(
+            "pnl_20mm",
+            self.medium,
+            diam=0.02,
+            rr=0.045 / 20.0,
+        )
+        pipe_14mm = AmesimPnl00r(
+            "pnl_14mm",
+            self.medium,
+            diam=0.014,
+            rr=0.045 / 14.0,
+        )
+
+        self.assertAlmostEqual(
+            pipe_20mm.friction_factor(56_887.5547),
+            0.0215740061043,
+            delta=8.0e-5,
+        )
+        self.assertAlmostEqual(
+            pipe_20mm.friction_factor(700_686.41),
+            0.02400535718,
+            delta=8.0e-5,
+        )
+        self.assertAlmostEqual(
+            pipe_14mm.friction_factor(726_799.66),
+            0.02658268645,
+            delta=8.0e-5,
+        )
+
+    def test_friction_factor_matches_amesim_transition_regime(self) -> None:
+        pipe = AmesimPnl00r(
+            "pnl_20mm",
+            self.medium,
+            diam=0.02,
+            rr=0.045 / 20.0,
+        )
+
+        self.assertAlmostEqual(
+            pipe.friction_factor(3_699.80236),
+            0.0391257647759,
+            delta=4.0e-4,
+        )
+
     def test_darcy_pressure_drop_uses_flow_sign(self) -> None:
         pipe = AmesimPnl00r("pnl_1", self.medium)
         density = self.medium.density(500000.0, 300.0)