def test_network_network_consistency_outlets():
nw = nwk.network(['water', 'air'])
source = cmp.source('source')
splitter = cmp.splitter('splitter')
a = con.connection(source, 'out1', splitter, 'in1')
nw.add_conns(a)
nw.check_network()
def create_comps(self):
self.inlet = cmp.subsys_interface(label=self.label + '_inlet',
num_inter=self.num_branch + 1)
self.outlet = cmp.subsys_interface(label=self.label + '_outlet',
num_inter=self.num_branch + 1)
self.splitter = cmp.splitter(label=self.label + '_splitter')
self.merge = cmp.merge(label=self.label + '_merge')
self.valve = []
for i in range(self.num_branch):
j = str(i)
self.valve += [
cmp.valve(label=self.label + '_valve_' + j, mode='man')
]
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')
]
import matplotlib.pyplot as plt import pandas as pd import numpy as np # %% network fluids = ['water'] nw = nwk.network(fluids=fluids, p_unit='bar', T_unit='C', h_unit='kJ / kg') # %% components # turbine part valve_turb = cmp.valve(label='valve_turb') turbine_hp = cmp.turbine(label='turbine_hp') split = cmp.splitter(label='splitter1') turbine_lp = cmp.turbine(label='turbine_lp') # condenser and preheater condenser = cmp.condenser(label='condenser') preheater = cmp.condenser(label='preheater') valve_pre = cmp.valve(label='valve_pre') valve = cmp.valve(label='valve1') merge = cmp.merge(label='merge1') # feed water pump = cmp.pump(label='pump') steam_generator = cmp.heat_exchanger_simple(label='steam generator') # sources and sinks source = cmp.source(label='source')
h_unit='kJ / kg',
m_unit='kg / s')
# %% components
# sources & sinks
c_in = cmp.source('coolant in')
cb = cmp.source('consumer back flow')
cf = cmp.sink('consumer feed flow')
amb = cmp.source('ambient air')
amb_out1 = cmp.sink('sink ambient 1')
amb_out2 = cmp.sink('sink ambient 2')
c_out = cmp.sink('coolant out')
# ambient air system
sp = cmp.splitter('splitter')
fan = cmp.compressor('fan')
# consumer system
cd = cmp.condenser('condenser')
dhp = cmp.pump('district heating pump')
cons = cmp.heat_exchanger_simple('consumer')
# evaporator system
ves = cmp.valve('valve')
dr = cmp.drum('drum')
ev = cmp.heat_exchanger('evaporator')
su = cmp.heat_exchanger('superheater')
erp = cmp.pump('evaporator reciculation pump')
# %% network
btes = nwk.network(fluids=['water'],
T_unit='K',
p_unit='bar',
h_unit='kJ / kg',
T_range=[273.25, 373.15],
p_range=[1, 20],
h_range=[1, 1000])
# components
fc_in = cmp.source('from consumer inflow')
fc_out = cmp.sink('from consumer outflow')
pu = cmp.pump('pump')
sp = cmp.splitter('splitter', num_out=3)
# bhe:
bhe_name = 'BHE1'
assert 'BHE1' in bhe_name, "BHE should be named with 'BHE1'"
bhe1 = cmp.heat_exchanger_simple(bhe_name)
bhe_name = 'BHE2'
assert 'BHE2' in bhe_name, "BHE should be named with 'BHE2'"
bhe2 = cmp.heat_exchanger_simple(bhe_name)
bhe_name = 'BHE3'
assert 'BHE3' in bhe_name, "BHE should be named with 'BHE3'"
bhe3 = cmp.heat_exchanger_simple(bhe_name)
mg = cmp.merge('merge', num_in=3)
cons = cmp.heat_exchanger_simple('consumer')
def setup_network_individual_offdesign(self):
"""
Set up network for individual offdesign tests.
"""
so = cmp.source('source')
sp = cmp.splitter('splitter', num_out=2)
self.pump1 = cmp.pump('pump 1')
self.sc1 = cmp.solar_collector('collector field 1')
v1 = cmp.valve('valve1')
self.pump2 = cmp.pump('pump 2')
self.sc2 = cmp.solar_collector('collector field 2')
v2 = cmp.valve('valve2')
me = cmp.merge('merge', num_in=2)
si = cmp.sink('sink')
self.pump1.set_attr(eta_s=0.8,
design=['eta_s'],
offdesign=['eta_s_char'])
self.pump2.set_attr(eta_s=0.8,
design=['eta_s'],
offdesign=['eta_s_char'])
self.sc1.set_attr(pr=0.95,
lkf_lin=3.33,
lkf_quad=0.011,
A=1252,
E=700,
Tamb=20,
design=['pr'],
offdesign=['zeta'])
self.sc2.set_attr(pr=0.95,
lkf_lin=3.5,
lkf_quad=0.011,
A=700,
E=800,
Tamb=20,
design=['pr'],
offdesign=['zeta'])
fl = {
'N2': 0,
'O2': 0,
'Ar': 0,
'INCOMP::DowQ': 0,
'H2O': 1,
'NH3': 0,
'CO2': 0,
'CH4': 0
}
inlet = con.connection(so, 'out1', sp, 'in1', T=50, p=3, fluid=fl)
outlet = con.connection(me, 'out1', si, 'in1', p=3)
sp_p1 = con.connection(sp, 'out1', self.pump1, 'in1')
p1_sc1 = con.connection(self.pump1, 'out1', self.sc1, 'in1')
self.sc1_v1 = con.connection(self.sc1, 'out1', v1, 'in1', p=3.1, T=90)
v1_me = con.connection(v1, 'out1', me, 'in1')
self.sp_p2 = con.connection(sp, 'out2', self.pump2, 'in1')
self.p2_sc2 = con.connection(self.pump2, 'out1', self.sc2, 'in1')
self.sc2_v2 = con.connection(self.sc2, 'out1', v2, 'in1', p=3.1, m=0.1)
v2_me = con.connection(v2, 'out1', me, 'in2')
self.nw.add_conns(inlet, outlet, sp_p1, p1_sc1, self.sc1_v1, v1_me,
self.sp_p2, self.p2_sc2, self.sc2_v2, v2_me)
g_turb = cmp.turbine('gas turbine')
CH4 = cmp.source('fuel source')
air = cmp.source('ambient air')
# waste heat recovery
suph = cmp.heat_exchanger('superheater')
evap = cmp.heat_exchanger('evaporator')
drum = cmp.drum('drum')
eco = cmp.heat_exchanger('economizer')
ch = cmp.sink('chimney')
# steam turbine part
turb_hp = cmp.turbine('steam turbine high pressure')
cond_dh = cmp.condenser('district heating condenser')
mp_split = cmp.splitter('mp split')
turb_lp = cmp.turbine('steam turbine low pressure')
cond = cmp.condenser('condenser')
merge = cmp.merge('merge')
pump1 = cmp.pump('feed water pump 1')
pump2 = cmp.pump('feed water pump 2')
ls_out = cmp.sink('ls sink')
ls_in = cmp.source('ls source')
mp_valve = cmp.valve('mp valve')
# district heating
dh_in = cmp.source('district heating backflow')
dh_out = cmp.sink('district heating feedflow')
# cooling water
cw_in = cmp.source('cooling water backflow')
