Create wind_funcs.py

resgroup · Apr 22, 2024 · 3a10a06 · 3a10a06
1 parent 440414a
commit 3a10a06
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/wind_up/wind_funcs.py b/wind_up/wind_funcs.py
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+import math
+
+import pandas as pd
+
+
+def calc_cp(
+    power_kw: float | pd.Series,
+    ws_ms: float | pd.Series,
+    air_density_kgpm3: float | pd.Series,
+    rotor_diameter_m: float,
+) -> float | pd.Series:
+    rotor_area_m2 = math.pi * (rotor_diameter_m / 2) ** 2
+    return 1000.0 * power_kw / (0.5 * air_density_kgpm3 * rotor_area_m2 * ws_ms**3)