修正动态管与阀门诊断输出

tests/test_amesim_pnl0001_component.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import unittest
+from math import sqrt
 
 from app.simulation.components.amesim.flow.pipes import AmesimPnl0001
 from app.simulation.core.medium import IdealGasMedium
@@ -148,6 +149,33 @@ class AmesimPnl0001ComponentTests(unittest.TestCase):
             {"m", "U", "p", "T", "rho", "u", "h", "re", "cm", "v", "ff"},
         )
 
+    def test_result_cm_excludes_pipe_flow_coefficient(self) -> None:
+        pipe = AmesimPnl0001(
+            "pnl_1",
+            self.medium,
+            diam=0.014,
+            le=0.3,
+            rr=0.045 / 14.0,
+            p0=2.5e6,
+            T0=290.0,
+        )
+        pipe.port_1.p = 1.6e6
+        props = pipe.properties()
+        flow = pipe.mass_flow(pipe.port_1.p, props.p, props.T)
+        reynolds = pipe.reynolds_number(flow, props.T)
+        friction = pipe.friction_factor(reynolds)
+        raw_cq_cm = (
+            abs(flow)
+            * sqrt(props.T)
+            / (pipe.area * max(pipe.port_1.p, props.p))
+        )
+        flow_coefficient = sqrt(pipe.diam / (pipe.le * friction))
+
+        actual = pipe.component_result_values()["cm"]
+
+        self.assertAlmostEqual(actual, raw_cq_cm / flow_coefficient)
+        self.assertNotAlmostEqual(actual, raw_cq_cm)
+
 
 if __name__ == "__main__":
     unittest.main()