def test_pump_from_regression_parameteres():
"""
:return:
:rtype:
"""
net = pandapipes.create_empty_network("net", add_stdtypes=False)
j1 = pandapipes.create_junction(net, pn_bar=5, tfluid_k=283.15)
j2 = pandapipes.create_junction(net, pn_bar=5, tfluid_k=283.15)
j3 = pandapipes.create_junction(net, pn_bar=5, tfluid_k=283.15)
j4 = pandapipes.create_junction(net, pn_bar=5, tfluid_k=283.15)
pandapipes.create_pipe_from_parameters(net,
j1,
j2,
k_mm=1.,
length_km=0.43380,
diameter_m=0.1022)
pandapipes.create_pipe_from_parameters(net,
j3,
j4,
k_mm=1.,
length_km=0.26370,
diameter_m=0.1022)
pandapipes.create_ext_grid(net, j1, 5, 283.15, type="p")
pandapipes.create_pump_from_parameters(net,
j2,
j3,
'P1',
regression_parameters=[
-1.48620799e-04,
-1.29656785e-02, 6.10000000e+00
])
pandapipes.create_sink(net, j4, 0.02333)
pandapipes.create_fluid_from_lib(net, "lgas", overwrite=True)
pandapipes.pipeflow(net,
stop_condition="tol",
iter=3,
friction_model="nikuradse",
mode="hydraulics",
transient=False,
nonlinear_method="automatic",
tol_p=1e-4,
tol_v=1e-4)
data = pd.read_csv(os.path.join(internals_data_path, "test_pump.csv"),
sep=';')
res_junction = net.res_junction.p_bar.values
res_pipe = net.res_pipe.v_mean_m_per_s.values
p_diff = np.abs(1 - res_junction / data['p'].dropna().values)
v_diff = np.abs(1 - res_pipe / data['v'].dropna().values)
assert np.all(p_diff < 0.01)
assert np.all(v_diff < 0.01)
def test_additional_tables():
net = pandapipes.create_empty_network()
pandapipes.create_junction(net, pn_bar=5, tfluid_k=283)
pandapipes.create_junction(net, pn_bar=5, tfluid_k=283)
pandapipes.add_new_component(net, Sink)
sink_input = list(copy.deepcopy(net.sink.columns))
pandapipes.create_sink(net, 1, mdot_kg_per_s=1)
sink_input_create = list(net.sink.columns)
assert sink_input == sink_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, Source)
source_input = list(copy.deepcopy(net.source.columns))
pandapipes.create_source(net, 1, mdot_kg_per_s=1)
source_input_create = list(net.source.columns)
assert source_input == source_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, Pump)
pump_input = list(copy.deepcopy(net.pump.columns))
pandapipes.create_pump_from_parameters(net, 0, 1, 'P4', [6.1, 5.8, 4],
[0, 19, 83], 2)
pump_input_create = list(net.pump.columns)
assert pump_input == pump_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, CirculationPumpMass)
pumpcircmass_input = list(copy.deepcopy(net.circ_pump_mass.columns))
pandapipes.create_circ_pump_const_mass_flow(net,
0,
1,
5,
5,
300,
type='pt')
pumpcircmass_input_create = list(net.circ_pump_mass.columns)
assert pumpcircmass_input == pumpcircmass_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, CirculationPumpPressure)
pumpcircpres_input = list(copy.deepcopy(net.circ_pump_pressure.columns))
pandapipes.create_circ_pump_const_pressure(net, 0, 1, 5, 2, 300, type='pt')
pumpcircpres_input_create = list(net.circ_pump_pressure.columns)
assert pumpcircpres_input == pumpcircpres_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, Valve)
valve_input = list(copy.deepcopy(net.valve.columns))
pandapipes.create_valve(net, 0, 1, diameter_m=0.1, opened=False)
valve_input_create = list(net.valve.columns)
assert valve_input == valve_input_create, "Input does not equal create-table"
pandapipes.add_new_component(net, HeatExchanger)
hex_input = list(copy.deepcopy(net.heat_exchanger.columns))
pandapipes.create_heat_exchanger(net, 0, 1, 0.2, qext_w=20000)
hex_input_create = list(net.heat_exchanger.columns)
assert hex_input == hex_input_create, "Input does not equal create-table"
def net_plotting():
net = pandapipes.create_empty_network(fluid="lgas")
# create network elements, such as junctions, external grid, pipes, valves, sinks and sources
junction1 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15,
name="Connection to External Grid", geodata=(0, 0))
junction2 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 2",
geodata=(2, 0))
junction3 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 3",
geodata=(7, 4))
junction4 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 4",
geodata=(7, -4))
junction5 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 5",
geodata=(5, 3))
junction6 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 6",
geodata=(5, -3))
junction7 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 7",
geodata=(9, -4))
junction8 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 7",
geodata=(9, 4))
pandapipes.create_ext_grid(net, junction=junction1, p_bar=1.1, t_k=293.15,
name="Grid Connection")
pandapipes.create_pipe_from_parameters(net, from_junction=junction1, to_junction=junction2,
length_km=10, diameter_m=0.3, name="Pipe 1",
geodata=[(0, 0), (2, 0)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction2, to_junction=junction3,
length_km=2, diameter_m=0.3, name="Pipe 2",
geodata=[(2, 0), (2, 4), (7, 4)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction2, to_junction=junction4,
length_km=2.5, diameter_m=0.3, name="Pipe 3",
geodata=[(2, 0), (2, -4), (7, -4)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction3, to_junction=junction5,
length_km=1, diameter_m=0.3, name="Pipe 4",
geodata=[(7, 4), (7, 3), (5, 3)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction4, to_junction=junction6,
length_km=1, diameter_m=0.3, name="Pipe 5",
geodata=[(7, -4), (7, -3), (5, -3)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction7, to_junction=junction8,
length_km=1, diameter_m=0.3, name="Pipe 6",
geodata=[(9, -4), (9, 4)])
pandapipes.create_valve(net, from_junction=junction5, to_junction=junction6, diameter_m=0.05,
opened=True)
pandapipes.create_heat_exchanger(net, junction3, junction8, diameter_m=0.3, qext_w=20000)
pandapipes.create_sink(net, junction=junction4, mdot_kg_per_s=0.545, name="Sink 1")
pandapipes.create_source(net, junction=junction3, mdot_kg_per_s=0.234)
pandapipes.create_pump_from_parameters(net, junction4, junction7, 'P1')
return net
def test_create_pump_from_parameters(create_empty_net):
net = copy.deepcopy(create_empty_net)
pandapipes.create_junction(net, 1, 293, index=8, geodata=(0, 1))
pandapipes.create_junction(net, 1, 293, index=9, geodata=(2, 2))
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
try:
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
assert False, "Shouldn't make pump, index exists!"
except UserWarning:
assert True
try:
pandapipes.create_pump_from_parameters(net,
8,
10,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
assert False, "Shouldn't make pump, non-existent to_junction!"
except UserWarning:
assert True
try:
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
geodata=[(0, 1), (1, 1),
(2, 2)])
assert False, "Shouldn't make pump, geodata not possible!"
except ValueError:
assert True
def test_create_pump_from_parameters(create_empty_net):
net = copy.deepcopy(create_empty_net)
pandapipes.create_junction(net, 1, 293, index=8, geodata=(0, 1))
pandapipes.create_junction(net, 1, 293, index=9, geodata=(2, 2))
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
with pytest.raises(UserWarning):
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
with pytest.raises(UserWarning):
pandapipes.create_pump_from_parameters(net,
8,
10,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
index=2)
with pytest.raises(ValueError):
pandapipes.create_pump_from_parameters(net,
8,
9,
"pump1",
pressure_list=[0, 1, 2, 3],
flowrate_list=[0, 1, 2, 3],
reg_polynomial_degree=1,
geodata=[(0, 1), (1, 1),
(2, 2)])
def test_collection_lengths():
net = pandapipes.create_empty_network(add_stdtypes=False)
d = 40e-3
j1 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(0, 0))
j2 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(2, 0))
j3 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(4, 2))
j4 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(4, 0))
j5 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(4, -2))
j6 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(6, 0))
j7 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(8, 0))
j8 = pandapipes.create_junction(net,
pn_bar=5,
tfluid_k=293.15,
geodata=(10, 0))
pandapipes.create_ext_grid(net, j1, p_bar=5, t_k=293.15)
pandapipes.create_sink(net, j5, mdot_kg_per_s=0.5)
pandapipes.create_sink(net, j6, mdot_kg_per_s=0.5)
pandapipes.create_sink(net, j8, mdot_kg_per_s=0.5)
pandapipes.create_pipe_from_parameters(net,
j1,
j2,
0.1,
diameter_m=d,
k_mm=0.1,
geodata=[(0, 0), (2, 0)])
pandapipes.create_valve(net,
j2,
j3,
diameter_m=d,
opened=True,
loss_coefficient=5e3)
pandapipes.create_valve(net,
j2,
j4,
diameter_m=d,
opened=False,
loss_coefficient=0.01)
pandapipes.create_valve(net,
j2,
j5,
diameter_m=d,
opened=False,
loss_coefficient=0.01)
pandapipes.create_pipe_from_parameters(net,
j3,
j6,
0.1,
diameter_m=d,
k_mm=0.1,
geodata=[(4, 2), (6, 2), (6, 0)])
pandapipes.create_pipe_from_parameters(net,
j4,
j6,
0.2,
diameter_m=d,
k_mm=0.1,
geodata=[(4, 0), (6, 0)])
pandapipes.create_pipe_from_parameters(net,
j5,
j6,
0.2,
diameter_m=d,
k_mm=0.1,
geodata=[(4, -2), (6, -2), (6, 0)])
pandapipes.create_heat_exchanger(net, j6, j7, d, qext_w=20000)
pandapipes.create_pump_from_parameters(net, j7, j8, 'P1')
pipe_coll_direct = plot.create_pipe_collection(net,
use_junction_geodata=True)
pipe_coll_real = plot.create_pipe_collection(net)
assert np.all(
pipe_coll_direct.indices.astype(np.int64) ==
net.pipe.index.values.astype(np.int64))
assert len(pipe_coll_direct.get_paths()) == len(net.pipe)
assert all([len(p) == 2 for p in pipe_coll_direct.get_paths()])
assert all([
len(p) == len(net.pipe_geodata.coords.iloc[i])
for i, p in enumerate(pipe_coll_real.get_paths())
])
junction_coll = plot.create_junction_collection(net)
assert np.all(
junction_coll.node_indices.astype(np.int64) ==
net.junction.index.values.astype(np.int64))
assert len(junction_coll.get_paths()) == len(net.junction)
valve_coll_patches, valve_coll_lines = plot.create_valve_collection(net)
assert len(valve_coll_patches.get_paths()) == 2 * len(net.valve)
assert len(valve_coll_lines.get_paths()) == 2 * len(net.valve)
pump_coll_patches, pump_coll_lines = plot.create_pump_collection(net)
assert len(pump_coll_patches.get_paths()) == len(net.pump)
assert len(pump_coll_lines.get_paths()) == 4 * len(net.pump)
hex_coll_patches, hex_coll_lines = plot.create_heat_exchanger_collection(
net)
assert len(hex_coll_patches.get_paths()) == 2 * len(net.heat_exchanger)
assert len(hex_coll_lines.get_paths()) == 2 * len(net.heat_exchanger)
def create_base_net(oos, additional_pumps=True):
net = pandapipes.create_empty_network(fluid="lgas")
# create network elements, such as junctions, external grid, pipes, valves, sinks and sources
junction1 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, in_service=not oos,
name="Connection to External Grid", geodata=(0, 0))
junction2 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 2",
geodata=(2, 0), in_service=not oos)
junction3 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 3",
geodata=(7, 4), in_service=not oos)
junction4 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 4",
geodata=(7, -4), in_service=not oos)
junction5 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 5",
geodata=(5, 3), in_service=not oos)
junction6 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 6",
geodata=(5, -3))
junction7 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 7",
geodata=(9, -4))
junction8 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 8",
geodata=(9, 4))
junction9 = pandapipes.create_junction(net, pn_bar=1.05, tfluid_k=293.15, name="Junction 9",
geodata=(9, 0))
pandapipes.create_ext_grid(net, junction=junction1, p_bar=1.1, t_k=293.15,
name="Grid Connection")
pandapipes.create_pipe_from_parameters(net, from_junction=junction1, to_junction=junction2,
length_km=10, diameter_m=0.3, name="Pipe 1",
geodata=[(0, 0), (2, 0)], in_service=not oos)
pandapipes.create_pipe_from_parameters(net, from_junction=junction2, to_junction=junction3,
length_km=2, diameter_m=0.3, name="Pipe 2",
geodata=[(2, 0), (2, 4), (7, 4)], in_service=not oos)
pandapipes.create_pipe_from_parameters(net, from_junction=junction2, to_junction=junction4,
length_km=2.5, diameter_m=0.3, name="Pipe 3",
geodata=[(2, 0), (2, -4), (7, -4)], in_service=not oos)
pandapipes.create_pipe_from_parameters(net, from_junction=junction3, to_junction=junction5,
length_km=1, diameter_m=0.3, name="Pipe 4",
geodata=[(7, 4), (7, 3), (5, 3)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction4, to_junction=junction6,
length_km=1, diameter_m=0.3, name="Pipe 5",
geodata=[(7, -4), (7, -3), (5, -3)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction7, to_junction=junction8,
length_km=1, diameter_m=0.3, name="Pipe 6",
geodata=[(9, -4), (9, 0)])
pandapipes.create_pipe_from_parameters(net, from_junction=junction7, to_junction=junction8,
length_km=1, diameter_m=0.3, name="Pipe 7",
geodata=[(9, 0), (9, 4)])
pandapipes.create_valve(net, from_junction=junction5, to_junction=junction6, diameter_m=0.05,
opened=True)
pandapipes.create_heat_exchanger(net, junction3, junction8, diameter_m=0.3, qext_w=20000)
pandapipes.create_sink(net, junction=junction4, mdot_kg_per_s=0.545, name="Sink 1")
pandapipes.create_source(net, junction=junction3, mdot_kg_per_s=0.234)
pandapipes.create_pump_from_parameters(net, junction4, junction7, 'P1')
if additional_pumps:
pandapipes.create_circ_pump_const_mass_flow(net, junction9, junction5, 1.05, 1)
pandapipes.create_circ_pump_const_pressure(net, junction9, junction6, 1.05, 0.5)
if oos:
pandapipes.create_ext_grid(net, junction=junction1, p_bar=1.1, t_k=293.15,
name="Grid Connection", in_service=False)
pandapipes.create_heat_exchanger(net, junction3, junction8, diameter_m=0.3, qext_w=20000,
in_service=False)
pandapipes.create_sink(net, junction=junction4, mdot_kg_per_s=0.545, name="Sink 2",
in_service=False)
pandapipes.create_pump_from_parameters(net, junction4, junction7, 'P1', in_service=False)
pandapipes.create_source(net, junction=junction3, mdot_kg_per_s=0.234, in_service=False)
pandapipes.create_circ_pump_const_mass_flow(net, junction9, junction5, 1.05, 1,
in_service=False)
pandapipes.create_circ_pump_const_pressure(net, junction9, junction6, 1.05, 0.5,
in_service=False)
return net
def release_control_test_network():
# empty net
net = pp.create_empty_network("net", add_stdtypes=False)
# fluid
pp.create_fluid_from_lib(net, "water", overwrite=True)
# junctions
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 0", index=None, in_service=True,
type="junction", geodata=None)
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 1")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 2")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 3")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 4")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 5")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 6")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 7")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 8")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 9")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 10")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 11")
pp.create_junction(net, pn_bar=3, tfluid_k=293, height_m=0, name="Junction 12")
# pipes
pp.create_pipe_from_parameters(net, from_junction=0, to_junction=8, length_km=3, diameter_m=0.01, k_mm=1,
loss_coefficient=0, sections=10, alpha_w_per_m2k=10, text_k=293,
qext_w=0., name="Pipe 0", index=None, geodata=None, in_service=True, type="pipe")
pp.create_pipe_from_parameters(net, 9, 2, length_km=6, diameter_m=0.075, k_mm=.1, sections=10,
alpha_w_per_m2k=3,
name="Pipe 1")
pp.create_pipe_from_parameters(net, 2, 12, length_km=5, diameter_m=0.06, k_mm=.1, sections=10,
alpha_w_per_m2k=20,
name="Pipe 2")
pp.create_pipe_from_parameters(net, 4, 12, length_km=0.1, diameter_m=0.07, k_mm=.1, sections=10,
alpha_w_per_m2k=2,
name="Pipe 3")
pp.create_pipe_from_parameters(net, 5, 3, length_km=1, diameter_m=0.09, k_mm=.1, sections=10, alpha_w_per_m2k=3,
name="Pipe 4")
pp.create_pipe_from_parameters(net, 4, 11, length_km=2.5, diameter_m=0.08, k_mm=.1, sections=10,
alpha_w_per_m2k=15,
name="Pipe 5")
pp.create_pipe_from_parameters(net, 7, 6, length_km=4.5, diameter_m=0.085, k_mm=.1, sections=10,
alpha_w_per_m2k=2.5, name="Pipe 6")
pp.create_pipe_from_parameters(net, 1, 7, length_km=4, diameter_m=0.03, k_mm=.1, sections=10, alpha_w_per_m2k=1,
name="Pipe 7")
# external grids
pp.create_ext_grid(net, junction=0, p_bar=3, t_k=300, name="External Grid 0", in_service=True, index=None,
type="pt")
pp.create_ext_grid(net, 1, p_bar=5, t_k=350, name="External Grid 1", type="pt")
# sinks
pp.create_sink(net, junction=2, mdot_kg_per_s=0.2, scaling=1., name="Sink 0", index=None, in_service=True,
type="sink")
pp.create_sink(net, 3, mdot_kg_per_s=0.1, name="Sink 1")
pp.create_sink(net, 4, mdot_kg_per_s=0.5, name="Sink 2")
pp.create_sink(net, 5, mdot_kg_per_s=0.07, name="Sink 3")
pp.create_sink(net, 6, mdot_kg_per_s=0.09, name="Sink 4")
pp.create_sink(net, 7, mdot_kg_per_s=0.1, name="Sink 5")
# sources
pp.create_source(net, junction=8, mdot_kg_per_s=0.1, scaling=1., name="Source 0", index=None, in_service=True,
type="source")
pp.create_source(net, junction=9, mdot_kg_per_s=0.03, name="Source 1")
pp.create_source(net, junction=10, mdot_kg_per_s=0.04, name="Source 2")
pp.create_source(net, junction=11, mdot_kg_per_s=0.09, name="Source 3")
# valves
pp.create_valve(net, from_junction=8, to_junction=9, diameter_m=0.1, opened=True, loss_coefficient=0,
name="Valve 0", index=None, type="valve")
pp.create_valve(net, 9, 4, diameter_m=0.05, opened=True, name="Valve 1")
# pump
pp.create_pump_from_parameters(net, from_junction=8, to_junction=3, new_std_type_name="Pump",
pressure_list=[6.1, 5.8, 4],
flowrate_list=[0, 19, 83], reg_polynomial_degree=2,
poly_coefficents=None, name=None, index=None, in_service=True,
type="pump")
# circulation pump mass
pp.create_circ_pump_const_mass_flow(net, from_junction=3, to_junction=4, p_bar=6, mdot_kg_per_s=1,
t_k=290, name="Circ. Pump Mass", index=None, in_service=True,
type="pt")
# circulation pump pressure
pp.create_circ_pump_const_pressure(net, from_junction=11, to_junction=5, p_bar=5, plift_bar=2,
t_k=290, name="Circ. Pump Pressure", index=None, in_service=True, type="pt")
# heat exchanger
pp.create_heat_exchanger(net, from_junction=10, to_junction=6, diameter_m=0.08, qext_w=50, loss_coefficient=0,
name="Heat Exchanger 0", index=None, in_service=True, type="heat_exchanger")
pp.create_heat_exchanger(net, from_junction=4, to_junction=10, diameter_m=0.08, qext_w=28000,
loss_coefficient=0,
name="Heat Exchanger 1", index=None, in_service=True, type="heat_exchanger")
# time series
profiles_sink = pd.read_csv(os.path.join(pp_dir, 'test', 'api', 'release_cycle',
'release_control_test_sink_profiles.csv'), index_col=0)
profiles_source = pd.read_csv(os.path.join(pp_dir, 'test', 'api', 'release_cycle',
'release_control_test_source_profiles.csv'), index_col=0)
ds_sink = DFData(profiles_sink)
ds_source = DFData(profiles_source)
const_sink = control.ConstControl(net, element='sink', variable='mdot_kg_per_s',
element_index=net.sink.index.values, data_source=ds_sink,
profile_name=net.sink.index.values.astype(str))
const_source = control.ConstControl(net, element='source', variable='mdot_kg_per_s',
element_index=net.source.index.values,
data_source=ds_source,
profile_name=net.source.index.values.astype(str))
const_sink.initial_run = False
const_source.initial_run = False
pp.pipeflow(net)
pp.to_json(net, os.path.join(path, 'example_%s.json' % pp.__version__))
return net