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self.amb_in_su = connection(amb_in, 'out1', su, 'in1')
su_ev = connection(su, 'out1', ev, 'in1')
ev_amb_out = connection(ev, 'out1', amb_out, 'in1')
self.nw.add_conns(self.amb_in_su, su_ev, ev_amb_out)
# connection evaporator system - compressor system
su_cp1 = connection(su, 'out2', cp1, 'in1')
self.nw.add_conns(su_cp1)
# compressor-system
cp1_he = connection(cp1, 'out1', he, 'in1')
he_cp2 = connection(he, 'out1', cp2, 'in1')
cp2_c_out = connection(cp2, 'out1', c_out, 'in1')
ic_in_he = connection(ic_in, 'out1', he, 'in2')
he_ic_out = connection(he, 'out2', ic_out, 'in1')
self.nw.add_conns(cp1_he, he_cp2, ic_in_he, he_ic_out, cp2_c_out)
# %% component parametrization
# condenser system
x = np.array(
[0, 0.0625, 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5,
0.5625, 0.6375, 0.7125, 0.7875, 0.9, 0.9875, 1, 1.0625, 1.125,
1.175, 1.2125, 1.2375, 1.25])
y = np.array(
[0.0076, 0.1390, 0.2731, 0.4003, 0.5185, 0.6263, 0.7224, 0.8056,
0.8754, 0.9312, 0.9729, 1.0006, 1.0203, 1.0158, 1.0051, 1.0000,
0.9746, 0.9289, 0.8832, 0.8376, 0.7843, 0.7614])
def setup_heat_exchanger_network(self, instance):
self.inl2 = source('inlet 2')
self.outl2 = sink('outlet 2')
self.c1 = connection(self.inl1, 'out1', instance, 'in1')
self.c2 = connection(instance, 'out1', self.outl1, 'in1')
self.c3 = connection(self.inl2, 'out1', instance, 'in2')
self.c4 = connection(instance, 'out2', self.outl2, 'in1')
self.nw.add_conns(self.c1, self.c2, self.c3, self.c4)
self.sc2.set_attr(pr=0.95, lkf_lin=3.5, lkf_quad=0.011, A=700, E=800,
Tamb=20, eta_opt=0.92, design=['pr'],
offdesign=['zeta'])
fl = {'H2O': 1}
inlet = connection(so, 'out1', sp, 'in1', T=50, p=3, fluid=fl)
outlet = connection(me, 'out1', si, 'in1', p=3)
self.sp_p1 = connection(sp, 'out1', self.pump1, 'in1')
self.p1_sc1 = connection(self.pump1, 'out1', self.sc1, 'in1')
self.sc1_v1 = connection(self.sc1, 'out1', v1, 'in1', p=3.1, T=90)
v1_me = connection(v1, 'out1', me, 'in1')
self.sp_p2 = connection(sp, 'out2', self.pump2, 'in1')
self.p2_sc2 = connection(self.pump2, 'out1', self.sc2, 'in1')
self.sc2_v2 = connection(self.sc2, 'out1', v2, 'in1', p=3.1, m=0.1)
v2_me = connection(v2, 'out1', me, 'in2')
self.nw.add_conns(inlet, outlet, self.sp_p1, self.p1_sc1, self.sc1_v1,
v1_me, self.sp_p2, self.p2_sc2, self.sc2_v2, v2_me)
def setup_network(self, instance):
self.nw = network(['INCOMP::DowQ', 'NH3', 'N2', 'O2', 'Ar'],
T_unit='C', p_unit='bar', v_unit='m3 / s')
self.source = source('source')
self.sink = sink('sink')
self.c1 = connection(self.source, 'out1', instance, 'in1')
self.c2 = connection(instance, 'out1', self.sink, 'in1')
self.nw.add_conns(self.c1, self.c2)
Set up network for electrolyzer tests.
"""
self.instance = reactors.water_electrolyzer('electrolyzer')
fw = basics.source('feed water')
cw_in = basics.source('cooling water')
o2 = basics.sink('oxygen sink')
h2 = basics.sink('hydrogen sink')
cw_out = basics.sink('cooling water sink')
cw_el = connection(cw_in, 'out1', self.instance, 'in1')
el_cw = connection(self.instance, 'out1', cw_out, 'in1')
self.nw.add_conns(cw_el, el_cw)
fw_el = connection(fw, 'out1', self.instance, 'in2')
el_o2 = connection(self.instance, 'out2', o2, 'in1')
el_h2 = connection(self.instance, 'out3', h2, 'in1')
self.nw.add_conns(fw_el, el_o2, el_h2)
self.instance = reactors.water_electrolyzer('electrolyzer')
fw = basics.source('feed water')
cw_in = basics.source('cooling water')
o2 = basics.sink('oxygen sink')
h2 = basics.sink('hydrogen sink')
cw_out = basics.sink('cooling water sink')
cw_el = connection(cw_in, 'out1', self.instance, 'in1')
el_cw = connection(self.instance, 'out1', cw_out, 'in1')
self.nw.add_conns(cw_el, el_cw)
fw_el = connection(fw, 'out1', self.instance, 'in2')
el_o2 = connection(self.instance, 'out2', o2, 'in1')
el_h2 = connection(self.instance, 'out3', h2, 'in1')
self.nw.add_conns(fw_el, el_o2, el_h2)
# %% network setup
fluid_list = ['myAir', 'myFuel', 'myFuel_fg']
self.nw2 = network(
fluids=fluid_list, p_unit='bar', T_unit='C',
p_range=[0.5, 20], T_range=[10, 2000])
# %% components
amb = source('ambient')
sf = source('fuel')
cc = combustion_chamber_stoich('combustion')
cp = compressor('compressor')
gt = turbine('turbine')
fg = sink('flue gas outlet')
# %% connections
amb_cp = connection(amb, 'out1', cp, 'in1')
cp_cc = connection(cp, 'out1', cc, 'in1')
sf_cc = connection(sf, 'out1', cc, 'in2')
cc_gt = connection(cc, 'out1', gt, 'in1', label='flue gas after cc')
gt_fg = connection(gt, 'out1', fg, 'in1', label='flue gas after gt')
self.nw2.add_conns(amb_cp, cp_cc, sf_cc, cc_gt, gt_fg)
# %% component parameters
cc.set_attr(
fuel={'CH4': 0.96, 'CO2': 0.04},
air={'Ar': 0.0129, 'N2': 0.7553, 'CO2': 0.0004, 'O2': 0.2314},
fuel_alias='myFuel', air_alias='myAir', lamb=3)
cp.set_attr(eta_s=0.9, pr=15)
gt.set_attr(eta_s=0.9)
# %% connection parameters
def setup_heat_exchanger_network(self, instance):
self.inl2 = source('inlet 2')
self.outl2 = sink('outlet 2')
self.c1 = connection(self.inl1, 'out1', instance, 'in1')
self.c2 = connection(instance, 'out1', self.outl1, 'in1')
self.c3 = connection(self.inl2, 'out1', instance, 'in2')
self.c4 = connection(instance, 'out2', self.outl2, 'in1')
self.nw.add_conns(self.c1, self.c2, self.c3, self.c4)
def test_network_missing_data_in_design_case_files(self):
"""Test for missing data in design case files."""
self.setup_network_tests()
pipe = piping.pipe('pipe', Q=0, pr=0.95, design=['pr'],
offdesign=['zeta'])
a = connection(self.source, 'out1', pipe, 'in1', m=1, p=1, T=293.15,
fluid={'water': 1})
b = connection(pipe, 'out1', self.sink, 'in1')
self.nw.add_conns(a, b)
self.nw.solve('design')
self.nw.save('tmp')
self.nw.save('tmp2')
inputs = open('./tmp/connections.csv')
all_lines = inputs.readlines()
all_lines.pop(len(all_lines) - 1)
inputs.close()
with open('./tmp2/connections.csv', 'w') as out:
for line in all_lines:
out.write(line.strip() + '\n')