###############################################################################
# WaterTAP Copyright (c) 2021, The Regents of the University of California,
# through Lawrence Berkeley National Laboratory, Oak Ridge National
# Laboratory, National Renewable Energy Laboratory, and National Energy
# Technology Laboratory (subject to receipt of any required approvals from
# the U.S. Dept. of Energy). All rights reserved.
#
# Please see the files COPYRIGHT.md and LICENSE.md for full copyright and license
# information, respectively. These files are also available online at the URL
# "https://github.com/watertap-org/watertap/"
#
###############################################################################
import pyomo.environ as pyo
from ..util import cost_by_flow_volume, register_costing_parameter_block
def build_pressure_exchanger_cost_param_block(blk):
blk.cost = pyo.Var(
initialize=535,
doc="Pressure exchanger cost",
units=pyo.units.USD_2018 / (pyo.units.meter**3 / pyo.units.hours),
)
[docs]@register_costing_parameter_block(
build_rule=build_pressure_exchanger_cost_param_block,
parameter_block_name="pressure_exchanger",
)
def cost_pressure_exchanger(blk):
"""
Pressure exchanger costing method
TODO: describe equations
"""
cost_by_flow_volume(
blk,
blk.costing_package.pressure_exchanger.cost,
pyo.units.convert(
blk.unit_model.low_pressure_side.properties_in[0].flow_vol,
(pyo.units.meter**3 / pyo.units.hours),
),
)