[pre-commit.ci] auto fixes from pre-commit.com hooks
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@ -217,19 +217,37 @@ rule build_temperature_profiles:
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rule build_cop_profiles:
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params:
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heat_pump_sink_T_decentral_heating=config_provider("sector", "heat_pump_sink_T_individual_heating"),
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forward_temperature_district_heating=config_provider("sector", "district_heating", "forward_temperature"),
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return_temperature_district_heating=config_provider("sector", "district_heating", "return_temperature"),
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heat_source_cooling_district_heating=config_provider("sector", "district_heating", "heat_source_cooling"),
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heat_pump_cop_approximation_district_heating=config_provider("sector", "district_heating", "heat_pump_cop_approximation"),
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heat_pump_sink_T_decentral_heating=config_provider(
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"sector", "heat_pump_sink_T_individual_heating"
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),
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forward_temperature_district_heating=config_provider(
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"sector", "district_heating", "forward_temperature"
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),
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return_temperature_district_heating=config_provider(
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"sector", "district_heating", "return_temperature"
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),
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heat_source_cooling_district_heating=config_provider(
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"sector", "district_heating", "heat_source_cooling"
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),
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heat_pump_cop_approximation_district_heating=config_provider(
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"sector", "district_heating", "heat_pump_cop_approximation"
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),
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input:
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temp_soil_total=resources("temp_soil_total_elec_s{simpl}_{clusters}.nc"),
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temp_air_total=resources("temp_air_total_elec_s{simpl}_{clusters}.nc"),
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output:
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cop_air_decentral_heating=resources("cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"),
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cop_soil_decentral_heating=resources("cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"),
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cop_air_central_heating=resources("cop_air_central_heating_elec_s{simpl}_{clusters}.nc"),
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cop_soil_central_heating=resources("cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"),
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cop_air_decentral_heating=resources(
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"cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_soil_decentral_heating=resources(
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"cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_air_central_heating=resources(
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"cop_air_central_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_soil_central_heating=resources(
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"cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"
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),
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resources:
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mem_mb=20000,
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log:
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@ -1027,10 +1045,18 @@ rule prepare_sector_network:
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temp_air_total=resources("temp_air_total_elec_s{simpl}_{clusters}.nc"),
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temp_air_rural=resources("temp_air_rural_elec_s{simpl}_{clusters}.nc"),
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temp_air_urban=resources("temp_air_urban_elec_s{simpl}_{clusters}.nc"),
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cop_soil_decentral_heating=resources("cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"),
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cop_air_decentral_heating=resources("cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"),
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cop_air_central_heating=resources("cop_air_central_heating_elec_s{simpl}_{clusters}.nc"),
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cop_soil_central_heating=resources("cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"),
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cop_soil_decentral_heating=resources(
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"cop_soil_decentral_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_air_decentral_heating=resources(
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"cop_air_decentral_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_air_central_heating=resources(
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"cop_air_central_heating_elec_s{simpl}_{clusters}.nc"
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),
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cop_soil_central_heating=resources(
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"cop_soil_central_heating_elec_s{simpl}_{clusters}.nc"
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),
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solar_thermal_total=lambda w: (
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resources("solar_thermal_total_elec_s{simpl}_{clusters}.nc")
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if config_provider("sector", "solar_thermal")(w)
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@ -38,10 +38,11 @@ References
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[3] Pieper et al., Energy 205 (2020): Comparison of COP estimation methods for large-scale heat pumps used in energy planning, https://doi.org/10.1016/j.energy.2020.117994
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"""
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from typing import Union
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from enum import Enum
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import xarray as xr
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from typing import Union
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import numpy as np
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import xarray as xr
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from _helpers import set_scenario_config
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@ -54,17 +55,23 @@ def coefficient_of_performance_individual_heating(delta_T, source="air"):
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raise NotImplementedError("'source' must be one of ['air', 'soil']")
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def celsius_to_kelvin(t_celsius: Union[float, xr.DataArray, np.array]) -> Union[float, xr.DataArray, np.array]:
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def celsius_to_kelvin(
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t_celsius: Union[float, xr.DataArray, np.array]
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) -> Union[float, xr.DataArray, np.array]:
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if (np.asarray(t_celsius) > 200).any():
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raise ValueError("t_celsius > 200. Are you sure you are using the right units?")
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return t_celsius + 273.15
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def logarithmic_mean(t_hot: Union[float, xr.DataArray, np.ndarray], t_cold: Union[float, xr.DataArray, np.ndarray]) -> Union[float, xr.DataArray, np.ndarray]:
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def logarithmic_mean(
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t_hot: Union[float, xr.DataArray, np.ndarray],
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t_cold: Union[float, xr.DataArray, np.ndarray],
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) -> Union[float, xr.DataArray, np.ndarray]:
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if (np.asarray(t_hot <= t_cold)).any():
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raise ValueError("t_hot must be greater than t_cold")
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return (t_hot - t_cold) / np.log(t_hot / t_cold)
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class CopDistrictHeating:
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def __init__(
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@ -142,7 +149,8 @@ class CopDistrictHeating:
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@property
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def t_sink_mean(self) -> Union[xr.DataArray, np.array]:
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"""
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Calculate the logarithmic mean temperature difference between the cold and hot sinks.
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Calculate the logarithmic mean temperature difference between the cold
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and hot sinks.
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Returns
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-------
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@ -166,7 +174,8 @@ class CopDistrictHeating:
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@property
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def delta_t_lift(self) -> Union[xr.DataArray, np.array]:
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"""
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Calculate the temperature lift as the difference between the logarithmic sink and source temperatures.
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Calculate the temperature lift as the difference between the
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logarithmic sink and source temperatures.
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Returns
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-------
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@ -187,14 +196,14 @@ class CopDistrictHeating:
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-------
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np.array
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The ideal Lorenz COP.
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"""
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return self.t_sink_mean / self.delta_t_lift
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@property
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def delta_t_refrigerant_source(self) -> Union[xr.DataArray, np.array]:
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"""
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Calculate the temperature difference between the refrigerant source inlet and outlet.
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Calculate the temperature difference between the refrigerant source
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inlet and outlet.
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Returns
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-------
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@ -208,7 +217,8 @@ class CopDistrictHeating:
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@property
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def delta_t_refrigerant_sink(self) -> Union[xr.DataArray, np.array]:
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"""
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Temperature difference between the refrigerant and the sink based on approximation.
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Temperature difference between the refrigerant and the sink based on
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approximation.
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Returns
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-------
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@ -220,7 +230,8 @@ class CopDistrictHeating:
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@property
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def ratio_evaporation_compression_work(self) -> Union[xr.DataArray, np.array]:
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"""
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Calculate the ratio of evaporation to compression work based on approximation.
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Calculate the ratio of evaporation to compression work based on
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approximation.
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Returns
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-------
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@ -228,7 +239,7 @@ class CopDistrictHeating:
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The calculated ratio of evaporation to compression work.
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"""
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return self._ratio_evaporation_compression_work_approximation()
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@property
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def delta_t_sink(self) -> Union[xr.DataArray, np.array]:
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"""
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@ -245,7 +256,8 @@ class CopDistrictHeating:
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self, delta_t_source: Union[xr.DataArray, np.array]
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) -> Union[xr.DataArray, np.array]:
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"""
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Approximates the temperature difference between the refrigerant and the source.
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Approximates the temperature difference between the refrigerant and the
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source.
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Parameters
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----------
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@ -291,7 +303,6 @@ class CopDistrictHeating:
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The approximate temperature difference at the refrigerant sink is calculated using the following formula:
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a * (t_sink_out - t_source_out + 2 * delta_t_pinch) + b * delta_t_sink + c
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"""
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if refrigerant not in a.keys():
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raise ValueError(
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@ -366,16 +377,21 @@ if __name__ == "__main__":
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delta_T = snakemake.params.heat_pump_sink_T_decentral_heating - source_T
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cop_individual_heating = coefficient_of_performance_individual_heating(delta_T, source)
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cop_individual_heating.to_netcdf(snakemake.output[f"cop_{source}_decentral_heating"])
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cop_individual_heating = coefficient_of_performance_individual_heating(
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delta_T, source
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)
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cop_individual_heating.to_netcdf(
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snakemake.output[f"cop_{source}_decentral_heating"]
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)
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cop_district_heating = CopDistrictHeating(
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forward_temperature_celsius=snakemake.params.forward_temperature_district_heating,
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return_temperature_celsius=snakemake.params.return_temperature_district_heating,
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source_inlet_temperature_celsius=source_T,
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source_outlet_temperature_celsius=source_T - snakemake.params.heat_source_cooling_district_heating,
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source_outlet_temperature_celsius=source_T
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- snakemake.params.heat_source_cooling_district_heating,
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).cop()
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cop_district_heating.to_netcdf(snakemake.output[f"cop_{source}_central_heating"])
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cop_district_heating.to_netcdf(
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snakemake.output[f"cop_{source}_central_heating"]
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)
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@ -1827,7 +1827,9 @@ def add_heat(n, costs):
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"air decentral": xr.open_dataarray(snakemake.input.cop_air_decentral_heating)
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.to_pandas()
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.reindex(index=n.snapshots),
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"ground decentral": xr.open_dataarray(snakemake.input.cop_soil_decentral_heating)
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"ground decentral": xr.open_dataarray(
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snakemake.input.cop_soil_decentral_heating
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)
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.to_pandas()
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.reindex(index=n.snapshots),
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"air central": xr.open_dataarray(snakemake.input.cop_air_central_heating)
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