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Back-propagate inlet temperatures from heat removal

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Codex Agent
2025-11-23 00:30:38 +01:00
parent 001d8b7171
commit 1a8b91a37d
1 changed files with 11 additions and 1 deletions
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12
src/reactor_sim/reactor.py
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@@ -16,7 +16,7 @@ from .fuel import FuelAssembly, decay_heat_fraction
from .generator import DieselGenerator, GeneratorState
from .neutronics import NeutronDynamics
from .state import CoolantLoopState, CoreState, PlantState, PumpState, TurbineState
from .thermal import ThermalSolver, heat_transfer, saturation_pressure
from .thermal import ThermalSolver, heat_transfer, saturation_pressure, temperature_rise
from .turbine import SteamGenerator, Turbine
LOGGER = logging.getLogger(__name__)
@@ -358,6 +358,16 @@ class Reactor:
state.time_elapsed += dt
# Update inlet temperatures based on heat removed/added for next iteration.
primary_cooling = temperature_rise(transferred, state.primary_loop.mass_flow_rate)
state.primary_loop.temperature_in = max(
constants.ENVIRONMENT_TEMPERATURE, state.primary_loop.temperature_out - primary_cooling
)
secondary_cooling = max(0.0, state.secondary_loop.temperature_out - constants.ENVIRONMENT_TEMPERATURE - 40.0)
state.secondary_loop.temperature_in = max(
constants.ENVIRONMENT_TEMPERATURE, state.secondary_loop.temperature_out - max(20.0, secondary_cooling)
)
LOGGER.info(
(
"t=%5.1fs rods=%.2f core_power=%.1fMW prompt=%.1fMW :: "