架构调整，质量计算模型分块包装

brayton_cycle/__init__.py

@@ -10,6 +10,12 @@ from .components import (
     Turbine,
 )
 from .cycles import BraytonCycle
+from .mass_models import (
+    calculate_condenser_mass,
+    calculate_heater_mass,
+    calculate_turbine_mass,
+    calculate_water_outlet_temperature,
+)
 from .optimization import (
     optimize_rc_fixed_param,
     optimize_rc_param,
@@ -35,6 +41,10 @@ __all__ = [
     "Heater",
     "Recuperator",
     "Turbine",
+    "calculate_condenser_mass",
+    "calculate_heater_mass",
+    "calculate_turbine_mass",
+    "calculate_water_outlet_temperature",
     "evaluate_rc_efficiency",
     "local_rc_component_performance_sensitivity",
     "local_rc_design_sensitivity",