Market Surrogate Workflow

.github/PULL_REQUEST_TEMPLATE.md

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+## Addresses issue:
+
+## Summary/Motivation:
+
+## Changes proposed in this PR:
+-
+-
+
+### Legal Acknowledgement
+
+By contributing to this software project, I agree to the following terms and conditions for my contribution:
+
+1. I agree my contributions are submitted under the license terms described in the LICENSE.md and COPYRIGHT.md file at the top level of this directory.
+2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

.gitignore

@@ -33,3 +33,9 @@ docs/_build/
 *.elc
 auto-save-list
 .\#*
+
+# MacOS
+.DS_Store
+
+# log
+*.log

.readthedocs.yaml

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+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+    fail_on_warning: true

dispatches/models/fossil_case/thermal_oil/test_charge_heat_exchanger.py

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+##############################################################################
+# DISPATCHES was produced under the DOE Design Integration and Synthesis
+# Platform to Advance Tightly Coupled Hybrid Energy Systems program (DISPATCHES),
+# and is copyright (c) 2021 by the software owners: The Regents of the University
+# of California, through Lawrence Berkeley National Laboratory, National
+# Technology & Engineering Solutions of Sandia, LLC, Alliance for Sustainable
+# Energy, LLC, Battelle Energy Alliance, LLC, University of Notre Dame du Lac, et
+# al. All rights reserved.
+#
+# Please see the files COPYRIGHT.md and LICENSE.md for full copyright and license
+# information, respectively. Both files are also available online at the URL:
+# "https://github.com/gmlc-dispatches/dispatches".
+#
+##############################################################################
+"""
+Charge heat exchanger model.
+
+Heating source: steam
+Thermal material: thermal oil
+Author: Konor Frick and Jaffer Ghouse
+Date: February 16, 2021
+"""
+
+
+# Import Pyomo libraries
+import pytest
+from pyomo.environ import ConcreteModel, SolverFactory, units, value, \
+    TerminationCondition, SolverStatus
+
+# Import IDAES components
+from idaes.core import FlowsheetBlock
+
+# Import heat exchanger unit model
+from idaes.generic_models.unit_models.heat_exchanger import (
+    HeatExchanger,
+    HeatExchangerFlowPattern)
+
+# Import steam property package
+from idaes.generic_models.properties.iapws95 import htpx, Iapws95ParameterBlock
+from dispatches.models.fossil_case.thermal_oil.thermal_oil \
+    import ThermalOilParameterBlock
+from idaes.core.util.model_statistics import degrees_of_freedom
+from idaes.core.util import get_solver
+
+
+def test_charge():
+    m = ConcreteModel()
+
+    m.fs = FlowsheetBlock(default={"dynamic": False})
+
+    m.fs.steam_prop = Iapws95ParameterBlock()
+    m.fs.therminol66_prop = ThermalOilParameterBlock()
+
+    m.fs.charge_hx = HeatExchanger(
+        default={"shell": {"property_package": m.fs.steam_prop},
+                 "tube": {"property_package": m.fs.therminol66_prop},
+                 "flow_pattern": HeatExchangerFlowPattern.countercurrent})
+
+    # Set inputs
+    # Steam
+    m.fs.charge_hx.inlet_1.flow_mol[0].fix(4163)
+    m.fs.charge_hx.inlet_1.enth_mol[0].fix(htpx(T=573.15*units.K,
+                                                P=5.0e+6*units.Pa))
+    m.fs.charge_hx.inlet_1.pressure[0].fix(5.0e+6)
+
+    # Thermal Oil
+    m.fs.charge_hx.inlet_2.flow_mass[0].fix(833.3)
+    m.fs.charge_hx.inlet_2.temperature[0].fix(200 + 273.15)
+    m.fs.charge_hx.inlet_2.pressure[0].fix(101325)
+
+    m.fs.charge_hx.area.fix(12180)
+    m.fs.charge_hx.overall_heat_transfer_coefficient.fix(432.677)
+
+    m.fs.charge_hx.initialize()
+    m.fs.charge_hx.heat_duty.fix(1.066e+08)
+
+    # Needed to make the system solve.
+    m.fs.charge_hx.overall_heat_transfer_coefficient.unfix()
+
+    solver = get_solver()
+    results = solver.solve(m)
+
+    # Check for optimal solution
+    assert results.solver.termination_condition == \
+        TerminationCondition.optimal
+    assert results.solver.status == SolverStatus.ok
+
+    # Testing the exit values of the heat exchanger.
+    assert value(m.fs.charge_hx.outlet_2.temperature[0]) == \
+        pytest.approx(528.83, rel=1e-1)
+    assert value(m.fs.charge_hx.outlet_1.enth_mol[0]) == \
+        pytest.approx(27100.28, rel=1e-1)
+
+
+
+