def setup(self):
self.nw = nwk.network(['water', 'air'])
self.comp = cmp.cogeneration_unit('cogeneration unit')
self.pipe = cmp.pipe('pipe')
self.conn = con.connection(self.comp, 'out1', self.pipe, 'in1')
self.bus = con.bus('mybus')
self.sub = subsys.subsystem('MySub')
def test_network_missing_data_in_individual_design_case_file():
nw = nwk.network(['water'])
source = cmp.source('source')
pipe = cmp.pipe('pipe', Q=0, pr=0.95, design=['pr'], offdesign=['zeta'])
sink = cmp.sink('sink')
a = con.connection(source, 'out1', pipe, 'in1', m=1, p=1e5, T=293.15,
fluid={'water': 1})
b = con.connection(pipe, 'out1', sink, 'in1', design_path='tmp2')
nw.add_conns(a, b)
nw.solve('design')
nw.save('tmp')
nw.save('tmp2')
inputs = open('./tmp/conn.csv')
all_lines = inputs.readlines()
all_lines.pop(len(all_lines) - 1)
inputs.close()
with open('./tmp2/conn.csv', 'w') as out:
for line in all_lines:
out.write(line.strip() + '\n')
try:
nw.solve('offdesign', design_path='tmp')
except hlp.TESPyNetworkError:
pass
shutil.rmtree('./tmp', ignore_errors=True)
shutil.rmtree('./tmp2', ignore_errors=True)
def create_comps(self):
self.num_i = 1
self.num_o = 1
self.inlet = cmp.subsys_interface(label=self.label + '_inlet',
num_inter=self.num_i)
self.outlet = cmp.subsys_interface(label=self.label + '_outlet',
num_inter=self.num_o)
self.splitter = []
self.merge = []
self.heat_ex = []
self.valve = []
self.pipe_feed = []
self.pipe_back = []
for i in range(self.num_consumer - 1):
j = str(i)
self.splitter += [
cmp.splitter(label=self.label + '_splitter_' + j)
]
self.merge += [cmp.merge(label=self.label + '_merge_' + j)]
self.heat_ex += [
cmp.heat_exchanger_simple(label=self.label +
'_heat exchanger_' + j,
mode='man')
]
self.valve += [
cmp.valve(label=self.label + '_valve_' + j, mode='man')
]
self.pipe_feed += [
cmp.pipe(label=self.label + '_pipe feed_' + j,
offdesign=['kA'])
]
self.pipe_back += [
cmp.pipe(label=self.label + '_pipe back_' + j,
offdesign=['kA'])
]
self.heat_ex += [
cmp.heat_exchanger_simple(label=self.label + '_heat exchanger_' +
str(i + 1),
mode='man')
]
def test_network_max_iter():
nw = nwk.network(['water'])
source = cmp.source('source')
pipe = cmp.pipe('pipe', pr=1, Q=100e3)
sink = cmp.sink('sink')
a = con.connection(source, 'out1', pipe, 'in1', m=1, p=1e5, T=280, fluid={'water': 1})
b = con.connection(pipe, 'out1', sink, 'in1')
nw.add_conns(a, b)
nw.solve('design', max_iter=2)
eq_(nw.max_iter, nw.iter + 1, 'This test must result in the itercount being equal to the max iter statement.')
def test_network_no_progress():
nw = nwk.network(['water'])
source = cmp.source('source')
pipe = cmp.pipe('pipe', pr=1, Q=-100e3)
sink = cmp.sink('sink')
a = con.connection(source, 'out1', pipe, 'in1', m=1, p=1e5, T=280, fluid={'water': 1})
b = con.connection(pipe, 'out1', sink, 'in1')
nw.add_conns(a, b)
nw.solve('design')
eq_(nw.progress, False, 'This test must result in a calculation making no progress, as the pipe\'s outlet enthalpy is below fluid property range.')
from tespy import nwk, con, cmp, hlp
import numpy as np
from matplotlib import pyplot as plt
nw = nwk.network(['water'], p_unit='bar', T_unit='C', h_unit='kJ / kg')
# %% components
pipe = cmp.pipe('pipe')
pipe2 = cmp.pipe('pipe2')
pipe3 = cmp.pipe('pipe3')
pipe4 = cmp.pipe('pipe4')
pipe5 = cmp.pipe('pipe5')
pipe6 = cmp.pipe('pipe6')
sink = cmp.sink('sink')
source = cmp.source('source')
# %% connections
a = con.connection(source, 'out1', pipe, 'in1')
b = con.connection(pipe, 'out1', pipe2, 'in1')
c = con.connection(pipe2, 'out1', pipe3, 'in1')
d = con.connection(pipe3, 'out1', pipe4, 'in1')
e = con.connection(pipe4, 'out1', pipe5, 'in1')
f = con.connection(pipe5, 'out1', pipe6, 'in1')
g = con.connection(pipe6, 'out1', sink, 'in1')
nw.add_conns(a, b, c, d, e, f, g)
# %% connection parameters
a.set_attr(h=40, fluid={'water': 1}, p=1, m=10)
# sources and sinks
so = cmp.source('source')
si = cmp.sink('sink')
so1 = cmp.source('source1')
si1 = cmp.sink('sink1')
so2 = cmp.source('source2')
si2 = cmp.sink('sink2')
# %% construction part
# pipe_feed
pif1 = cmp.pipe('pipe1_feed', ks=7e-5, L=50, D=0.15, offdesign=['kA'])
pif2 = cmp.pipe('pipe2_feed', ks=7e-5, L=200, D=0.15, offdesign=['kA'])
pif4 = cmp.pipe('pipe4_feed', ks=7e-5, L=50, D=0.15, offdesign=['kA'])
pif7 = cmp.pipe('pipe7_feed', ks=7e-5, L=175, D=0.15, offdesign=['kA'])
pif8 = cmp.pipe('pipe8_feed', ks=7e-5, L=75, D=0.15, offdesign=['kA'])
pif10 = cmp.pipe('pipe10_feed', ks=7e-5, L=450, D=0.1, offdesign=['kA'])
pif11 = cmp.pipe('pipe11_feed', ks=7e-5, L=60, D=0.04, offdesign=['kA'])
pif16 = cmp.pipe('pipe16_feed', ks=7e-5, L=30, D=0.065, offdesign=['kA'])
pif17 = cmp.pipe('pipe17_feed', ks=7e-5, L=250, D=0.065, offdesign=['kA'])
pif21 = cmp.pipe('pipe21_feed', ks=7e-5, L=30, D=0.04, offdesign=['kA'])
# pipe_back