def test_solar_collector(self):
"""
Test component properties of solar collector.
"""
instance = cmp.solar_collector('solar collector')
c1, c2 = self.setup_network_11(instance)
fl = {
'N2': 0,
'O2': 0,
'Ar': 0,
'INCOMP::DowQ': 0,
'H2O': 1,
'NH3': 0,
'CO2': 0,
'CH4': 0
}
c1.set_attr(fluid=fl, m=1, p=10, T=100)
# trigger solar collector parameter groups (see heat exchanger simple)
instance.set_attr(hydro_group='HW', L=100, ks=100, pr=0.99, Tamb=20)
instance.hydro_group.is_set = True
instance.energy_group.is_set = True
self.nw.solve('design', init_only=True)
eq_(instance.hydro_group.is_set, False,
'Hydro group must no be set, if one parameter is missing!')
eq_(instance.energy_group.is_set, False,
'Energy group must no be set, if one parameter is missing!')
from matplotlib import pyplot as plt
import pandas as pd
# %% network
fluid_list = ['H2O']
nw = nwk.network(fluids=fluid_list, p_unit='bar', T_unit='C')
# %% components
# sinks & sources
back = cmp.source('to collector')
feed = cmp.sink('from collector')
# collector
coll = cmp.solar_collector(label='solar thermal collector')
# %% connections
b_c = con.connection(back, 'out1', coll, 'in1')
c_f = con.connection(coll, 'out1', feed, 'in1')
nw.add_conns(b_c, c_f)
# %% component parameters
# set pressure ratio and heat flow, as well as dimensional parameters of
# the collector. E is missing, thus energy balance for radiation is not
# performed at this point
coll.set_attr(pr=0.99, Q=8e3, lkf_lin=1, lkf_quad=0.005, A=10, Tamb=10)
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)