metrics = (Metric('Internal rate of return', sc.sugarcane_tea.solve_IRR, '%'),
Metric('Ethanol production cost', get_prodcost, 'USD/yr'),
Metric('Fixed capital investment', get_FCI, 'USD'),
Metric('Ethanol production', get_prod, 'kg/hr'),
Metric('Steam', get_steam, 'MT/yr'),
Metric('Consumed electricity', get_consumed_electricity, 'MWhr/yr'),
Metric('Excess electricity', get_excess_electricity, 'MWhr/yr'))
sugarcane_model = Model(sc.sugarcane_sys, metrics, skip=False)
sugarcane_model.load_default_parameters(sc.system.Sugar_cane)
param = sugarcane_model.parameter
# Fermentation efficiency
fermentation = sc.system.P24
@param(element=fermentation, distribution=triang(fermentation.efficiency),
kind='coupled')
def set_fermentation_efficiency(efficiency):
fermentation.efficiency= efficiency
# Boiler efficiency
BT = sc.system.BT
@param(element=BT, distribution=triang(BT.boiler_efficiency))
def set_boiler_efficiency(boiler_efficiency):
BT.boiler_efficiency = boiler_efficiency
# Turbogenerator efficiency
@param(element=BT, distribution=triang(BT.turbogenerator_efficiency))
def set_turbogenerator_efficiency(turbo_generator_efficiency):
BT.turbo_generator_efficiency = turbo_generator_efficiency
Metric('Biomass goes to combustion', get_combusted_mass, 'kg/hr'),
Metric('Share of total biomass goes to combustion',
get_combusted_biomass_ratio, '100&')
]
sugarcane_model = Model(sugarcane_sys, metrics)
sugarcane_model.load_default_parameters(sugar_cane, operating_days=False)
param = sugarcane_model.parameter
# Fermentation efficiency
fermentation = R301
baseline = fermentation.efficiency
@param(element=fermentation,
distribution=triang(baseline),
baseline=baseline,
kind='coupled')
def set_fermentation_efficiency(efficiency):
fermentation.efficiency = efficiency
# Boiler efficiency
baseline = BT.boiler_efficiency
@param(element=BT, distribution=triang(baseline), baseline=baseline)
def set_boiler_efficiency(boiler_efficiency):
BT.boiler_efficiency = boiler_efficiency
def set_saccharification_conversion(saccharification_conversion):
saccharification_reaction.X = saccharification_conversion
# Add ethanol conversion as a parameter
ethanol_reaction = R301.cofermentation[0]
X = tools.bounded_triang(ethanol_reaction.X, addition=0.05)
@param(element=R301, kind='coupled', distribution=X)
def set_ethanol_conversion(ethanol_conversion):
ethanol_reaction.X = ethanol_conversion
# Add saccharification time as a parameter
X = tools.triang(R301.tau_saccharification)
@param(element=R301, kind='isolated', distribution=X)
def set_saccharification_time(saccharification_time):
R301.tau_saccharification = saccharification_time
# Add fermentation time as a parameter
X = tools.triang(R301.tau_cofermentation)
@param(element=R301, kind='isolated', distribution=X)
def set_fermentation_time(fermentation_time):
R301.tau_cofermentation = fermentation_time
constant_lipid_content = False
def load_specifications():
# Plant size
lc.lipidcane.F_mass = plant_size_ / (lc.lipidcane_tea.operating_days * 24 /
907.185)
model = Model(lc.lipidcane_sys, metrics, load_specifications)
param = model.parameter
lipid_content = 100. * lc.utils.get_lipid_fraction()
@param(units='dry wt. %',
distribution=triang(lipid_content),
baseline=lipid_content)
def set_lipic_content(lipid_content):
if constant_lipid_content: return
lc.utils.set_lipid_fraction(lipid_content / 100.)
@param(units='ton/yr', distribution=triang(plant_size_), baseline=plant_size_)
def set_plant_size(plant_size):
global plant_size_
plant_size_ = plant_size
@param(units='days/yr',
distribution=triang(tea.operating_days),
baseline=tea.operating_days)
'USD'), Metric('Ethanol production', get_prod,
'kg/hr'), Metric('Steam', get_steam, 'MT/yr'),
Metric('Consumed electricity', get_electricity_consumption,
'MWhr/yr'),
Metric('Excess electricity', get_excess_electricity, 'MWhr/yr'))
sugarcane_model = Model(sc.sugarcane_sys, metrics, skip=False)
sugarcane_model.load_default_parameters(sc.sugarcane)
param = sugarcane_model.parameter
# Fermentation efficiency
fermentation = sc.R301
@param(element=fermentation,
distribution=triang(fermentation.efficiency),
baseline=fermentation.efficiency,
kind='coupled')
def set_fermentation_efficiency(efficiency):
fermentation.efficiency = efficiency
# Boiler efficiency
BT = sc.BT
@param(element=BT,
distribution=triang(BT.boiler_efficiency),
baseline=BT.boiler_efficiency)
def set_boiler_efficiency(boiler_efficiency):
BT.boiler_efficiency = boiler_efficiency
Metric('Fixed capital investment', get_FCI, 'USD'),
Metric('Biodiesel production', get_biodiesel_prod, 'kg/hr'),
Metric('Ethanol production', get_etoh_prod, 'kg/hr'),
Metric('Steam', get_steam, 'MT/yr'),
Metric('Consumed electricity', get_consumed_electricity, 'MWhr/yr'),
Metric('Excess electricity', get_excess_electricity, 'MWhr/yr'))
lipidcane_model = Model(lc_sys, metrics)
lipidcane_model.load_default_parameters(lipid_cane)
param = lipidcane_model.parameter
# Lipid extraction rate
Mill = lc.system.U201
baseline = Mill.isplit['Lipid']
@param(element=Mill,
distribution=triang(baseline),
baseline=baseline,
kind='coupled')
def set_lipid_extraction_rate(lipid_extraction_rate):
Mill.isplit['Lipid'] = lipid_extraction_rate
# Transesterification efficiency (both tanks)
R401 = lc.system.R401
baseline = R401.efficiency
@param(element=R401, distribution=triang(baseline), kind='coupled',
baseline=baseline)
def set_transesterification_401_efficiency(efficiency):
R401.efficiency = efficiency
R402 = lc.system.R402
baseline = R402.efficiency
Metric('Biodiesel production', get_biodiesel_prod, 'kg/hr'),
Metric('Ethanol production', get_etoh_prod, 'kg/hr'),
Metric('Steam', get_steam, 'MT/yr'),
Metric('Consumed electricity', get_consumed_electricity, 'MWhr/yr'),
Metric('Excess electricity', get_excess_electricity, 'MWhr/yr'))
lipidcane_model = Model(lc_sys, metrics)
lipidcane_model.load_default_parameters(lipid_cane)
param = lipidcane_model.parameter
# Lipid extraction rate
Mill = lc.system.pretreatment.U201
Mill_split = Mill.split
Lipid_index = Mill.outs[0].index('Lipid')
@param(element=Mill,
distribution=triang(Mill_split[Lipid_index]),
kind='coupled')
def set_lipid_extraction_rate(lipid_extraction_rate):
Mill_split[Lipid_index] = lipid_extraction_rate
# Transesterification efficiency (both tanks)
R401 = lc.system.biodiesel.R401
@param(element=R401, distribution=triang(R401.efficiency), kind='coupled')
def set_transesterification_401_efficiency(efficiency):
R401.efficiency = efficiency
R402 = lc.system.biodiesel.R402
@param(element=R402, distribution=triang(R402.efficiency), kind='coupled')
def set_transesterification_402_efficiency(efficiency):
R402.efficiency = efficiency
