Source code for watertap.costing.unit_models.cstr

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# through Lawrence Berkeley National Laboratory, Oak Ridge National Laboratory,
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import pyomo.environ as pyo
from ..util import (
    register_costing_parameter_block,
    cost_by_flow_volume,
)


def build_cstr_cost_param_block(blk):
    # Source: https://www.fwrj.com/articles/9812.pdf
    blk.sizing_cost = pyo.Var(
        initialize=0.34,
        doc="Reactor sizing cost",
        units=pyo.units.USD_1998 / pyo.units.m**3,
    )


[docs]@register_costing_parameter_block( build_rule=build_cstr_cost_param_block, parameter_block_name="cstr", ) def cost_cstr(blk): """ CSTR costing method """ cost_by_flow_volume( blk, blk.unit_model.hydraulic_retention_time[0] * blk.costing_package.cstr.sizing_cost, pyo.units.convert( blk.unit_model.control_volume.properties_in[0].flow_vol, (pyo.units.meter**3 / pyo.units.hours), ), )