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tests.py
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import logging
import unittest
import numpy as np
from gas_turbine_cycle.core.network_lib import *
from gas_turbine_cycle.core.solver import NetworkSolver
from gas_turbine_cycle.core.turbine_lib import Compressor, Turbine, Source, Sink, CombustionChamber, Inlet, Outlet, \
Atmosphere, Load, FullExtensionNozzle
from gas_turbine_cycle.gases import KeroseneCombustionProducts, NaturalGasCombustionProducts, Air
logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.DEBUG)
class NetworkElementsTests(unittest.TestCase):
def setUp(self):
self.upstream_gd_unit = GasDynamicUnit()
self.downstream_gd_unit = GasDynamicUnit()
self.mech_energy_consuming_unit1 = MechEnergyConsumingUnit()
self.mech_energy_consuming_unit2 = MechEnergyConsumingUnit()
self.mech_energy_generating_unit = MechEnergyGeneratingUnit()
self.solver = NetworkSolver([self.upstream_gd_unit, self.downstream_gd_unit,
self.mech_energy_consuming_unit1,
self.mech_energy_consuming_unit2,
self.mech_energy_generating_unit])
self.solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.downstream_gd_unit)
self.solver.create_mechanical_connection(self.mech_energy_generating_unit, self.mech_energy_consuming_unit1,
self.mech_energy_consuming_unit2)
def test_gas_dynamic_ports_connection(self):
"""Проверка соединения газодинамических портов у соседних юнитов"""
self.assertEqual(self.upstream_gd_unit.temp_outlet_port.get_connected_port(),
self.downstream_gd_unit.temp_inlet_port)
self.assertEqual(self.upstream_gd_unit.pres_outlet_port.get_connected_port(),
self.downstream_gd_unit.pres_inlet_port)
self.assertEqual(self.upstream_gd_unit.alpha_outlet_port.get_connected_port(),
self.downstream_gd_unit.alpha_inlet_port)
self.assertEqual(self.upstream_gd_unit.g_work_fluid_outlet_port.get_connected_port(),
self.downstream_gd_unit.g_work_fluid_inlet_port)
self.assertEqual(self.upstream_gd_unit.g_fuel_outlet_port.get_connected_port(),
self.downstream_gd_unit.g_fuel_inlet_port)
self.assertEqual(self.upstream_gd_unit.temp_outlet_port,
self.downstream_gd_unit.temp_inlet_port.get_connected_port())
self.assertEqual(self.upstream_gd_unit.pres_outlet_port,
self.downstream_gd_unit.pres_inlet_port.get_connected_port())
self.assertEqual(self.upstream_gd_unit.alpha_outlet_port,
self.downstream_gd_unit.alpha_inlet_port.get_connected_port())
self.assertEqual(self.upstream_gd_unit.g_work_fluid_outlet_port,
self.downstream_gd_unit.g_work_fluid_inlet_port.get_connected_port())
self.assertEqual(self.upstream_gd_unit.g_fuel_outlet_port,
self.downstream_gd_unit.g_fuel_inlet_port.get_connected_port())
def test_labour_ports_connection(self):
"""Проверка соединения портов приема и передачи работы"""
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1.get_connected_port(),
self.mech_energy_consuming_unit1.labour_consume_port)
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port2.get_connected_port(),
self.mech_energy_consuming_unit2.labour_consume_port)
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1,
self.mech_energy_consuming_unit1.labour_consume_port.get_connected_port())
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port2,
self.mech_energy_consuming_unit2.labour_consume_port.get_connected_port())
def test_information_transfer_from_upstream_to_downstream(self):
"""Проверка передача информации между соединенными портами по потоку рабочего тела или энергии"""
self.upstream_gd_unit.temp_outlet_port.make_output()
self.assertEqual(self.upstream_gd_unit.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.upstream_gd_unit.temp_outlet_port.get_connected_port_type(), PortType.Input)
self.assertEqual(self.downstream_gd_unit.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.downstream_gd_unit.temp_inlet_port.get_connected_port_type(), PortType.Output)
self.mech_energy_generating_unit.labour_generating_port1.make_input()
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1.port_type, PortType.Input)
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1.get_connected_port_type(),
PortType.Output)
self.assertEqual(self.mech_energy_consuming_unit1.labour_consume_port.port_type, PortType.Output)
self.assertEqual(self.mech_energy_consuming_unit1.labour_consume_port.get_connected_port_type(), PortType.Input)
def test_information_transfer_from_downstream_to_upstream(self):
"""Проверка передача информации между соединенными портами против потока рабочего тела или энергии"""
self.downstream_gd_unit.temp_inlet_port.make_input()
self.assertEqual(self.upstream_gd_unit.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.upstream_gd_unit.temp_outlet_port.get_connected_port_type(), PortType.Input)
self.assertEqual(self.downstream_gd_unit.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.downstream_gd_unit.temp_inlet_port.get_connected_port_type(), PortType.Output)
self.mech_energy_consuming_unit1.labour_consume_port.make_output()
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1.port_type, PortType.Input)
self.assertEqual(self.mech_energy_generating_unit.labour_generating_port1.get_connected_port_type(),
PortType.Output)
self.assertEqual(self.mech_energy_consuming_unit1.labour_consume_port.port_type, PortType.Output)
self.assertEqual(self.mech_energy_consuming_unit1.labour_consume_port.get_connected_port_type(), PortType.Input)
def test_exception_call(self):
"""Проверка вызова исключения при попытки присвоить неверный тип порту"""
self.upstream_gd_unit.temp_outlet_port.make_input()
exception_call = 0
try:
self.downstream_gd_unit.temp_inlet_port.make_input()
except AssertionError:
exception_call = 1
self.assertEqual(exception_call, 1)
self.upstream_gd_unit.pres_outlet_port.make_output()
exception_call = 0
try:
self.downstream_gd_unit.pres_inlet_port.make_output()
except AssertionError:
exception_call = 1
self.assertEqual(exception_call, 1)
self.downstream_gd_unit.alpha_inlet_port.make_input()
exception_call = 0
try:
self.upstream_gd_unit.alpha_outlet_port.make_input()
except AssertionError:
exception_call = 1
self.assertEqual(exception_call, 1)
self.downstream_gd_unit.g_fuel_inlet_port.make_output()
exception_call = 0
try:
self.upstream_gd_unit.g_fuel_outlet_port.make_output()
except AssertionError:
exception_call = 1
self.assertEqual(exception_call, 1)
def test_port_information_sending_downstream(self):
"""Тестирование передачи информации через соединение по потоку"""
outlet_port = OutletPort(self.upstream_gd_unit)
inlet_port = InletPort(self.downstream_gd_unit)
conn = Connection()
outlet_port.set_connection(conn)
inlet_port.set_connection(conn)
outlet_port.make_output()
self.assertEqual(PortType.Input, inlet_port.port_type)
self.assertEqual(self.upstream_gd_unit, conn.upstream_unit)
self.assertEqual(self.downstream_gd_unit, conn.downstream_unit)
def test_port_information_sending_upstream(self):
"""Тестирование передачи информации через соединение против потока"""
outlet_port = OutletPort(self.upstream_gd_unit)
inlet_port = InletPort(self.downstream_gd_unit)
conn = Connection()
outlet_port.set_connection(conn)
inlet_port.set_connection(conn)
inlet_port.make_input()
self.assertEqual(PortType.Output, outlet_port.port_type)
class UnitsTests(unittest.TestCase):
def setUp(self):
self.inlet = Inlet()
self.atmosphere = Atmosphere(lam_in=0.1)
self.outlet = Outlet()
self.comb_chamber = CombustionChamber(1450, p_stag_out_init=10e5, alpha_out_init=2.4)
self.compressor = Compressor(5)
self.turbine = Turbine(p_stag_out_init=1e5)
self.source = Source(work_fluid=KeroseneCombustionProducts(), g_return=0.05, T_return=700)
self.sink = Sink()
self.nozzle = FullExtensionNozzle()
self.upstream_gd_unit = GasDynamicUnit()
self.upstream_static_gd_unit = GasDynamicUnitStaticOutlet()
self.downstream_gd_unit = GasDynamicUnit()
self.downstream_static_gd_unit = GasDynamicUnitStaticInlet()
self.consume_unit1 = MechEnergyConsumingUnit()
self.consume_unit2 = MechEnergyConsumingUnit()
self.gen_unit = MechEnergyGeneratingUnit()
def test_compressor_behaviour(self):
"""Проверка типов портов компрессоров"""
solver = NetworkSolver([self.upstream_gd_unit, self.compressor, self.downstream_gd_unit,
self.consume_unit1, self.gen_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.compressor)
solver.create_gas_dynamic_connection(self.compressor, self.upstream_gd_unit)
solver.create_mechanical_connection(self.gen_unit, self.compressor, self.consume_unit1)
self.compressor.set_behaviour()
self.assertEqual(PortType.Output, self.compressor.temp_outlet_port.port_type)
self.assertEqual(PortType.Output, self.compressor.pres_outlet_port.port_type)
self.assertEqual(PortType.Output, self.compressor.alpha_outlet_port.port_type)
self.assertEqual(PortType.Output, self.compressor.g_work_fluid_outlet_port.port_type)
self.assertEqual(PortType.Output, self.compressor.g_fuel_outlet_port.port_type)
self.assertEqual(PortType.Output, self.compressor.labour_consume_port.port_type)
self.assertEqual(PortType.Input, self.compressor.temp_inlet_port.port_type)
self.assertEqual(PortType.Input, self.compressor.pres_inlet_port.port_type)
self.assertEqual(PortType.Input, self.compressor.alpha_inlet_port.port_type)
self.assertEqual(PortType.Input, self.compressor.g_work_fluid_inlet_port.port_type)
self.assertEqual(PortType.Input, self.compressor.g_fuel_inlet_port.port_type)
def test_compressor_updating(self):
"""Тестируется вызов метода update(). Проверется передача результатов расчета юнита в выходные порты"""
solver = NetworkSolver([self.upstream_gd_unit, self.compressor, self.downstream_gd_unit,
self.consume_unit1, self.gen_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.compressor)
solver.create_gas_dynamic_connection(self.compressor, self.downstream_gd_unit)
solver.create_mechanical_connection(self.gen_unit, self.compressor, self.consume_unit1)
self.compressor.set_behaviour()
self.assertFalse(self.compressor.check_input())
self.upstream_gd_unit.T_stag_out = 300
self.assertFalse(self.compressor.check_input())
self.upstream_gd_unit.p_stag_out = 1e5
self.assertFalse(self.compressor.check_input())
self.upstream_gd_unit.alpha_out = np.inf
self.assertFalse(self.compressor.check_input())
self.upstream_gd_unit.g_fuel_out = 0
self.assertFalse(self.compressor.check_input())
self.upstream_gd_unit.g_out = 1
self.assertTrue(self.compressor.check_input())
self.compressor.update()
self.assertEqual(self.compressor.T_stag_in, self.upstream_gd_unit.T_stag_out)
self.assertEqual(self.compressor.p_stag_in, self.upstream_gd_unit.p_stag_out)
self.assertEqual(self.compressor.alpha_in, self.upstream_gd_unit.alpha_out)
self.assertEqual(self.compressor.g_in, self.upstream_gd_unit.g_out)
self.assertEqual(self.compressor.g_fuel_in, self.upstream_gd_unit.g_fuel_out)
self.assertNotEqual(self.compressor.consumable_labour, None)
self.assertNotEqual(self.compressor.T_stag_out, None)
self.assertNotEqual(self.compressor.p_stag_out, None)
self.assertNotEqual(self.compressor.alpha_out, None)
self.assertNotEqual(self.compressor.g_out, None)
self.assertNotEqual(self.compressor.g_fuel_out, None)
self.assertEqual(self.compressor.consumable_labour, self.gen_unit.gen_labour1)
self.assertEqual(self.compressor.T_stag_out, self.downstream_gd_unit.T_stag_in)
self.assertEqual(self.compressor.p_stag_out, self.downstream_gd_unit.p_stag_in)
self.assertEqual(self.compressor.alpha_out, self.downstream_gd_unit.alpha_in)
self.assertEqual(self.compressor.g_out, self.downstream_gd_unit.g_in)
self.assertEqual(self.compressor.g_fuel_out, self.downstream_gd_unit.g_fuel_in)
def set_turbine_connections(self):
solver = NetworkSolver([self.upstream_gd_unit, self.turbine, self.downstream_gd_unit,
self.consume_unit1, self.gen_unit, self.consume_unit2])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.turbine)
solver.create_gas_dynamic_connection(self.turbine, self.downstream_gd_unit)
solver.create_mechanical_connection(self.turbine, self.consume_unit1, self.consume_unit2)
def test_turbine_behaviour(self):
"""Тестирует поведение портов, общее для всех типов турбин"""
self.set_turbine_connections()
self.turbine.set_behaviour()
self.assertEqual(self.turbine.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.turbine.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.turbine.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertEqual(self.turbine.g_fuel_outlet_port.port_type, PortType.Output)
def test_power_turbine_behaviour1(self):
"""Проверка поведения портов свободной турбины"""
self.set_turbine_connections()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_input()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_power_turbine_behaviour())
self.assertEqual(self.turbine.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.pres_outlet_port.port_type, PortType.Input)
def test_power_turbine_behaviour2(self):
"""Проверка поведения портов свободной турбины"""
self.set_turbine_connections()
self.consume_unit1.labour_consume_port.make_input()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_power_turbine_behaviour())
self.assertEqual(self.turbine.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.turbine.pres_outlet_port.port_type, PortType.Input)
def test_upstream_compressor_turbine_behaviour1(self):
"""Проверка поведения портов компрессорной турбины, находящейся в газовом трактке до силовой турбины"""
self.set_turbine_connections()
self.upstream_gd_unit.pres_outlet_port.make_output()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_upstream_compressor_turbine_behaviour())
self.assertEqual(self.turbine.pres_outlet_port.port_type, PortType.Output)
def test_upstream_compressor_turbine_behaviour2(self):
"""Проверка поведения портов компрессорной турбины, находящейся в газовом трактке до силовой турбины"""
self.set_turbine_connections()
self.downstream_gd_unit.pres_inlet_port.make_input()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_upstream_compressor_turbine_behaviour())
self.assertEqual(self.turbine.pres_inlet_port.port_type, PortType.Input)
def test_downstream_compressor_turbine_behaviour1(self):
"""Проверка поведения портов компрессорной турбины, находящейся в газовом тракте после силовой турбины"""
self.set_turbine_connections()
self.upstream_gd_unit.pres_outlet_port.make_input()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_downstream_compressor_turbine_behaviour())
self.assertEqual(self.turbine.pres_outlet_port.port_type, PortType.Input)
def test_downstream_compressor_turbine_behaviour2(self):
"""Проверка поведения портов компрессорной турбины, находящейся в газовом тракте до силовой турбины"""
self.set_turbine_connections()
self.downstream_gd_unit.pres_inlet_port.make_output()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertTrue(self.turbine.check_downstream_compressor_turbine_behaviour())
self.assertEqual(self.turbine.pres_inlet_port.port_type, PortType.Output)
def test_power_turbine_updating(self):
self.set_turbine_connections()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_input()
self.turbine.set_behaviour()
self.assertFalse(self.turbine.check_input())
self.consume_unit1.consumable_labour = 200e3
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.T_stag_out = 1400
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.p_stag_out = 10e5
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_fuel_out = 0.05
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_out = 1.04
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.alpha_out = 2.5
self.assertTrue(self.turbine.check_input())
self.downstream_gd_unit.p_stag_in = 3.5e5
self.assertTrue(self.turbine.check_input())
self.turbine.update()
print()
print('Power turbine testing')
print('T_stag_out = %.2f' % self.turbine.T_stag_out)
print('alpha_out = %.3f' % self.turbine.alpha_out)
print('g_fuel_out = %.3f' % self.turbine.g_fuel_out)
print('g_out = %.3f' % self.turbine.g_out)
print('gen_labour2 = %s' % round(self.turbine.gen_labour2, -3))
self.assertNotEqual(self.turbine.T_stag_out, None)
self.assertNotEqual(self.turbine.alpha_out, None)
self.assertNotEqual(self.turbine.g_fuel_out, None)
self.assertNotEqual(self.turbine.g_out, None)
self.assertNotEqual(self.turbine.gen_labour2, None)
# проверка баланса работ
self.assertAlmostEqual(self.turbine.total_labour * self.turbine.g_in * self.turbine.eta_m,
self.consume_unit1.consumable_labour +
self.consume_unit2.consumable_labour / self.turbine.eta_r,
places=3)
def test_upstream_compressor_turbine_updating(self):
self.set_turbine_connections()
self.upstream_gd_unit.pres_outlet_port.make_output()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertFalse(self.turbine.check_input())
self.consume_unit1.consumable_labour = 200e3
self.assertFalse(self.turbine.check_input())
self.consume_unit2.consumable_labour = 0
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.T_stag_out = 1400
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.p_stag_out = 10e5
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_fuel_out = 0.05
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_out = 1.04
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.alpha_out = 2.5
self.assertTrue(self.turbine.check_input())
self.turbine.update()
print()
print('Upstream compressor turbine testing')
print('T_stag_out = %.2f' % self.turbine.T_stag_out)
print('alpha_out = %.3f' % self.turbine.alpha_out)
print('g_fuel_out = %.3f' % self.turbine.g_fuel_out)
print('g_out = %.3f' % self.turbine.g_out)
print('p_stag_out = %s' % round(self.turbine.p_stag_out, -3))
self.assertNotEqual(self.turbine.T_stag_out, None)
self.assertNotEqual(self.turbine.alpha_out, None)
self.assertNotEqual(self.turbine.g_fuel_out, None)
self.assertNotEqual(self.turbine.g_out, None)
self.assertNotEqual(self.turbine.p_stag_out, None)
# проверка баланса работ
self.assertAlmostEqual(self.turbine.total_labour * self.turbine.g_in * self.turbine.eta_m,
self.consume_unit1.consumable_labour + self.consume_unit2.consumable_labour, places=2)
def test_downstream_compressor_turbine_updating(self):
self.set_turbine_connections()
self.downstream_gd_unit.pres_inlet_port.make_output()
self.consume_unit1.labour_consume_port.make_output()
self.consume_unit2.labour_consume_port.make_output()
self.turbine.set_behaviour()
self.assertFalse(self.turbine.check_input())
self.consume_unit1.consumable_labour = 200e3
self.assertFalse(self.turbine.check_input())
self.consume_unit2.consumable_labour = 0
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.T_stag_out = 1400
self.assertFalse(self.turbine.check_input())
self.downstream_gd_unit.p_stag_in = 6e5
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_fuel_out = 0.05
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.g_out = 1.04
self.assertFalse(self.turbine.check_input())
self.upstream_gd_unit.alpha_out = 2.5
self.assertTrue(self.turbine.check_input())
self.turbine.update()
print()
print('Downstream compressor turbine testing')
print('T_stag_out = %.2f' % self.turbine.T_stag_out)
print('alpha_out = %.3f' % self.turbine.alpha_out)
print('g_fuel_out = %.3f' % self.turbine.g_fuel_out)
print('g_out = %.3f' % self.turbine.g_out)
print('p_stag_in = %s' % round(self.turbine.p_stag_in, -3))
self.assertNotEqual(self.turbine.T_stag_out, None)
self.assertNotEqual(self.turbine.alpha_out, None)
self.assertNotEqual(self.turbine.g_fuel_out, None)
self.assertNotEqual(self.turbine.g_out, None)
self.assertNotEqual(self.turbine.p_stag_in, None)
# проверка баланса работ
self.assertAlmostEqual(self.turbine.total_labour * self.turbine.g_in * self.turbine.eta_m,
self.consume_unit1.consumable_labour + self.consume_unit2.consumable_labour, places=2)
def test_upstream_source(self):
solver = NetworkSolver([self.upstream_gd_unit, self.source, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.source)
solver.create_gas_dynamic_connection(self.source, self.downstream_gd_unit)
self.upstream_gd_unit.pres_outlet_port.make_output()
self.source.set_behaviour()
g_fuel = 0.04
g = 1.04
alpha = 1 / (self.source.work_fluid.l0 * (g_fuel / (g - g_fuel)))
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.T_stag_out = 1200
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.p_stag_out = 2.5e5
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.g_out = g
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.g_fuel_out = g_fuel
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.alpha_out = alpha
self.assertTrue(self.source.check_input())
self.source.update()
self.assertTrue(self.source.check_upstream_behaviour())
self.assertEqual(self.source.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.source.pres_outlet_port.port_type, PortType.Output)
self.assertNotEqual(self.source.g_out, None)
self.assertNotEqual(self.source.g_fuel_out, None)
self.assertNotEqual(self.source.alpha_out, None)
self.assertNotEqual(self.source.p_stag_out, None)
self.assertNotEqual(self.source.T_stag_out, None)
self.assertEqual(self.source.g_out, self.source.g_in + self.source.g_return)
self.assertLess(self.source.T_stag_out, self.source.T_stag_in)
self.assertGreater(self.source.alpha_out, self.source.alpha_in)
def test_downstream_source(self):
solver = NetworkSolver([self.upstream_gd_unit, self.source, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.source)
solver.create_gas_dynamic_connection(self.source, self.downstream_gd_unit)
self.upstream_gd_unit.pres_outlet_port.make_input()
self.source.set_behaviour()
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.T_stag_out = 500
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.alpha_out = 2.5
self.assertFalse(self.source.check_input())
self.downstream_gd_unit.p_stag_in = 2.5e5
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.g_out = 1.04
self.assertFalse(self.source.check_input())
self.upstream_gd_unit.g_fuel_out = 0.04
self.assertTrue(self.source.check_input())
self.source.update()
self.assertTrue(self.source.check_downstream_behaviour())
self.assertEqual(self.source.pres_inlet_port.port_type, PortType.Output)
self.assertEqual(self.source.pres_outlet_port.port_type, PortType.Input)
self.assertNotEqual(self.source.g_out, None)
self.assertNotEqual(self.source.g_fuel_out, None)
self.assertNotEqual(self.source.alpha_out, None)
self.assertNotEqual(self.source.p_stag_in, None)
self.assertNotEqual(self.source.T_stag_out, None)
self.assertEqual(self.source.g_out, self.source.g_in + self.source.g_return)
def test_sink(self):
solver = NetworkSolver([self.upstream_gd_unit, self.sink, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.downstream_gd_unit)
self.sink.set_behaviour()
self.assertEqual(self.sink.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.sink.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.sink.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.sink.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.sink.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.sink.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.sink.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.sink.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.sink.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.sink.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertFalse(self.sink.check_input())
self.upstream_gd_unit.T_stag_out = 500
self.assertFalse(self.sink.check_input())
self.upstream_gd_unit.alpha_out = 2.5
self.assertFalse(self.sink.check_input())
self.upstream_gd_unit.p_stag_out = 2.5e5
self.assertFalse(self.sink.check_input())
self.upstream_gd_unit.g_out = 1.04
self.assertFalse(self.sink.check_input())
self.upstream_gd_unit.g_fuel_out = 0.04
self.assertTrue(self.sink.check_input())
self.sink.update()
self.assertNotEqual(self.sink.T_stag_out, None)
self.assertNotEqual(self.sink.p_stag_out, None)
self.assertNotEqual(self.sink.alpha_out, None)
self.assertNotEqual(self.sink.g_out, None)
self.assertNotEqual(self.sink.g_fuel_out, None)
self.assertEqual(self.sink.g_out, self.sink.g_in - self.sink.g_cooling - self.sink.g_outflow)
def test_upstream_combustion_chamber(self):
solver = NetworkSolver([self.upstream_gd_unit, self.comb_chamber, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.downstream_gd_unit)
self.upstream_gd_unit.pres_outlet_port.make_output()
self.comb_chamber.set_behaviour()
self.assertEqual(self.comb_chamber.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.T_stag_out = 700
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.p_stag_out = 10e5
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.alpha_out = np.inf
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.g_fuel_out = 0
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.g_out = 0.95
self.assertTrue(self.comb_chamber.check_input())
self.comb_chamber.update()
print()
print('Upstream combustion chamber testing')
print('T_stag_out = %.2f' % self.comb_chamber.T_stag_out)
print('p_stag_out = %s' % round(self.comb_chamber.p_stag_out, -2))
print('alpha_res = %.3f' % self.comb_chamber.alpha_res)
print('alpha_out = %.3f' % self.comb_chamber.alpha_out)
print('g_fuel_prime = %.4f' % self.comb_chamber.g_fuel_prime)
print('g_fuel_out = %.4f' % self.comb_chamber.g_fuel_out)
print('g_out = %.4f' % self.comb_chamber.g_out)
self.assertNotEqual(self.comb_chamber.T_stag_out, None)
self.assertNotEqual(self.comb_chamber.p_stag_out, None)
self.assertNotEqual(self.comb_chamber.g_out, None)
self.assertNotEqual(self.comb_chamber.g_fuel_out, None)
self.assertEqual(self.comb_chamber.g_out, self.comb_chamber.g_in * (1 + self.comb_chamber.g_fuel_prime))
def test_downstream_combustion_chamber(self):
solver = NetworkSolver([self.upstream_gd_unit, self.comb_chamber, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.downstream_gd_unit)
self.downstream_gd_unit.pres_inlet_port.make_output()
self.comb_chamber.set_behaviour()
self.assertEqual(self.comb_chamber.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.pres_inlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.pres_outlet_port.port_type, PortType.Input)
self.assertEqual(self.comb_chamber.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.comb_chamber.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.T_stag_out = 700
self.assertFalse(self.comb_chamber.check_input())
self.downstream_gd_unit.p_stag_in = 10e5
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.alpha_out = np.inf
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.g_fuel_out = 0
self.assertFalse(self.comb_chamber.check_input())
self.upstream_gd_unit.g_out = 0.95
self.assertTrue(self.comb_chamber.check_input())
self.comb_chamber.update()
print()
print('Downstream combustion chamber testing')
print('T_stag_out = %.2f' % self.comb_chamber.T_stag_out)
print('p_stag_in = %s' % round(self.comb_chamber.p_stag_in, -2))
print('alpha_res = %.3f' % self.comb_chamber.alpha_res)
print('alpha_out = %.3f' % self.comb_chamber.alpha_out)
print('g_fuel_prime = %.4f' % self.comb_chamber.g_fuel_prime)
print('g_fuel_out = %.4f' % self.comb_chamber.g_fuel_out)
print('g_out = %.4f' % self.comb_chamber.g_out)
self.assertNotEqual(self.comb_chamber.T_stag_out, None)
self.assertNotEqual(self.comb_chamber.p_stag_in, None)
self.assertNotEqual(self.comb_chamber.g_out, None)
self.assertNotEqual(self.comb_chamber.g_fuel_out, None)
self.assertEqual(self.comb_chamber.g_out, self.comb_chamber.g_in * (1 + self.comb_chamber.g_fuel_prime))
def test_inlet(self):
solver = NetworkSolver([self.upstream_gd_unit, self.inlet, self.downstream_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.downstream_gd_unit)
self.inlet.set_behaviour()
self.assertEqual(self.inlet.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.inlet.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.inlet.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.inlet.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.inlet.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.inlet.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.inlet.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.inlet.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.inlet.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.inlet.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertFalse(self.inlet.check_input())
self.upstream_gd_unit.T_stag_out = 300
self.assertFalse(self.inlet.check_input())
self.upstream_gd_unit.p_stag_out = 1e5
self.assertFalse(self.inlet.check_input())
self.upstream_gd_unit.alpha_out = np.inf
self.assertFalse(self.inlet.check_input())
self.upstream_gd_unit.g_fuel_out = 0
self.assertFalse(self.inlet.check_input())
self.upstream_gd_unit.g_out = 1.0
self.assertTrue(self.inlet.check_input())
self.inlet.update()
self.assertNotEqual(self.inlet.T_stag_out, None)
self.assertNotEqual(self.inlet.p_stag_out, None)
self.assertNotEqual(self.inlet.alpha_out, None)
self.assertNotEqual(self.inlet.g_fuel_out, None)
self.assertNotEqual(self.inlet.g_out, None)
self.assertEqual(self.inlet.p_stag_out, self.inlet.p_stag_in * self.inlet.sigma)
def test_outlet(self):
solver = NetworkSolver([self.upstream_gd_unit, self.outlet, self.downstream_static_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.downstream_static_gd_unit)
self.outlet.set_behaviour()
self.assertEqual(self.outlet.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.outlet.pres_inlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.outlet.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.outlet.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.outlet.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.stat_temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.outlet.stat_pres_outlet_port.port_type, PortType.Input)
self.assertFalse(self.outlet.check_input())
self.upstream_gd_unit.T_stag_out = 300
self.assertFalse(self.outlet.check_input())
self.upstream_gd_unit.alpha_out = np.inf
self.assertFalse(self.outlet.check_input())
self.upstream_gd_unit.g_fuel_out = 0
self.assertFalse(self.outlet.check_input())
self.upstream_gd_unit.g_out = 1.0
self.assertFalse(self.outlet.check_input())
self.downstream_static_gd_unit.p_in = 1e5
self.assertTrue(self.outlet.check_input())
self.outlet.update()
self.assertNotEqual(self.outlet.T_stag_out, None)
self.assertNotEqual(self.outlet.p_stag_in, None)
self.assertNotEqual(self.outlet.alpha_out, None)
self.assertNotEqual(self.outlet.g_fuel_out, None)
self.assertNotEqual(self.outlet.g_out, None)
self.assertEqual(self.outlet.p_stag_in, self.outlet.p_stag_out / self.outlet.sigma)
def test_nozzle(self):
solver = NetworkSolver([self.upstream_gd_unit, self.nozzle, self.downstream_static_gd_unit])
solver.create_gas_dynamic_connection(self.upstream_gd_unit, self.nozzle)
solver.create_static_gas_dynamic_connection(self.nozzle, self.downstream_static_gd_unit)
self.nozzle.set_behaviour()
self.assertEqual(self.nozzle.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.stat_pres_outlet_port.port_type, PortType.Input)
self.assertEqual(self.nozzle.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.nozzle.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.nozzle.stat_temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.nozzle.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.nozzle.g_work_fluid_outlet_port.port_type, PortType.Output)
self.assertEqual(self.nozzle.g_fuel_outlet_port.port_type, PortType.Output)
self.upstream_gd_unit.g_fuel_out = 0.02
self.upstream_gd_unit.g_out = 1.02
self.upstream_gd_unit.alpha_out = 2.5
self.upstream_gd_unit.T_stag_out = 1000
self.upstream_gd_unit.p_stag_out = 2.5e5
self.downstream_static_gd_unit.p_in = 1.e5
self.nozzle.update()
self.assertNotEqual(self.nozzle.T_out, None)
self.assertNotEqual(self.nozzle.T_stag_out, None)
self.assertNotEqual(self.nozzle.p_stag_out, None)
self.assertNotEqual(self.nozzle.pi_n, None)
self.assertNotEqual(self.nozzle.H_n, None)
self.assertNotEqual(self.nozzle.c_out, None)
self.assertNotEqual(self.nozzle.alpha_out, None)
self.assertNotEqual(self.nozzle.g_out, None)
self.assertNotEqual(self.nozzle.g_fuel_out, None)
def test_atmosphere(self):
solver = NetworkSolver([self.upstream_static_gd_unit, self.atmosphere, self.downstream_gd_unit])
solver.create_static_gas_dynamic_connection(self.upstream_static_gd_unit, self.atmosphere)
solver.create_gas_dynamic_connection(self.atmosphere, self.downstream_gd_unit)
self.atmosphere.set_behaviour()
self.assertEqual(self.atmosphere.temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.alpha_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.g_fuel_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.g_work_fluid_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.stat_temp_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.pres_inlet_port.port_type, PortType.Input)
self.assertEqual(self.atmosphere.temp_outlet_port.port_type, PortType.Output)
self.assertEqual(self.atmosphere.pres_outlet_port.port_type, PortType.Output)
self.assertEqual(self.atmosphere.stat_pres_inlet_port.port_type, PortType.Output)
self.assertEqual(self.atmosphere.alpha_outlet_port.port_type, PortType.Output)
self.assertEqual(self.atmosphere.g_fuel_outlet_port.port_type, PortType.Output)
self.assertEqual(self.atmosphere.g_work_fluid_outlet_port.port_type, PortType.Output)
self.upstream_static_gd_unit.T_stag_out = 500
self.upstream_static_gd_unit.alpha_out = 2.5
self.upstream_static_gd_unit.g_fuel_out = 0.05
self.upstream_static_gd_unit.g_out = 1.03
self.upstream_static_gd_unit.T_out = 490
self.upstream_static_gd_unit.p_stag_out = 1.1e5
self.atmosphere.update()
print()
print('Atmosphere testing')
print('p_stag_in = %s' % round(self.atmosphere.p_stag_in, -1))
self.assertNotEqual(self.atmosphere.T_stag_out, None)
self.assertNotEqual(self.atmosphere.p_stag_out, None)
self.assertNotEqual(self.atmosphere.p_stag_in, None)
self.assertNotEqual(self.atmosphere.alpha_out, None)
self.assertNotEqual(self.atmosphere.g_fuel_out, None)
self.assertNotEqual(self.atmosphere.g_out, None)
self.assertNotEqual(self.atmosphere.p_in, None)
def test_undefined_ports_checking(self):
solver = NetworkSolver([self.upstream_static_gd_unit, self.atmosphere, self.downstream_gd_unit])
solver.create_static_gas_dynamic_connection(self.upstream_static_gd_unit, self.atmosphere)
solver.create_gas_dynamic_connection(self.atmosphere, self.downstream_gd_unit)
self.assertTrue(self.atmosphere.has_undefined_ports())
self.atmosphere.set_behaviour()
self.assertFalse(self.atmosphere.has_undefined_ports())
class SolverTests(unittest.TestCase):
def setUp(self):
self.atmosphere = Atmosphere()
self.inlet = Inlet()
self.compressor1 = Compressor(6)
self.compressor2 = Compressor(10, precision=0.001)
self.sink = Sink()
self.comb_chamber = CombustionChamber(1400, alpha_out_init=2.7, precision=0.001)
self.comb_chamber_inter_up = CombustionChamber(1300, alpha_out_init=2.7, precision=0.001)
self.comb_chamber_inter_down = CombustionChamber(1300, alpha_out_init=2.7, precision=0.001,
p_stag_out_init=4e5)
self.source1 = Source(work_fluid=KeroseneCombustionProducts(), g_return=0.03)
self.source2 = Source(work_fluid=KeroseneCombustionProducts(), g_return=0.03)
self.turbine_low_pres_power = Turbine(p_stag_out_init=1e5)
self.turbine_comp_up = Turbine()
self.turbine_high_pres_power = Turbine(p_stag_out_init=4e5, precision=0.001)
self.turbine_comp_down = Turbine(p_stag_out_init=1e5, precision=0.001)
self.outlet = Outlet()
self.load = Load(2e6)
self.zero_load1 = Load(0)
self.zero_load2 = Load(0)
def get_1B_solver(self) -> NetworkSolver:
solver = NetworkSolver([self.atmosphere, self.outlet, self.sink, self.source1, self.turbine_low_pres_power,
self.inlet, self.comb_chamber, self.compressor1, self.load], cold_work_fluid=Air(),
hot_work_fluid=NaturalGasCombustionProducts())
solver.create_gas_dynamic_connection(self.atmosphere, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.compressor1)
solver.create_gas_dynamic_connection(self.compressor1, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.source1)
solver.create_gas_dynamic_connection(self.source1, self.turbine_low_pres_power)
solver.create_gas_dynamic_connection(self.turbine_low_pres_power, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.atmosphere)
solver.create_mechanical_connection(self.turbine_low_pres_power, self.compressor1, self.load)
return solver
def get_2N_solver(self) -> NetworkSolver:
solver = NetworkSolver([self.atmosphere, self.outlet, self.turbine_comp_up, self.sink, self.source1,
self.turbine_low_pres_power, self.inlet, self.comb_chamber, self.compressor2,
self.load, self.zero_load1, self.zero_load2], cold_work_fluid=Air(),
hot_work_fluid=NaturalGasCombustionProducts())
solver.create_gas_dynamic_connection(self.atmosphere, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.compressor2)
solver.create_gas_dynamic_connection(self.compressor2, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.source1)
solver.create_gas_dynamic_connection(self.source1, self.turbine_comp_up)
solver.create_gas_dynamic_connection(self.turbine_comp_up, self.turbine_low_pres_power)
solver.create_gas_dynamic_connection(self.turbine_low_pres_power, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.atmosphere)
solver.create_mechanical_connection(self.turbine_low_pres_power, self.load, self.zero_load1)
solver.create_mechanical_connection(self.turbine_comp_up, self.compressor2, self.zero_load2)
return solver
def get_2NIH_solver(self) -> NetworkSolver:
solver = NetworkSolver([self.atmosphere, self.outlet, self.turbine_comp_up, self.sink, self.source1,
self.turbine_low_pres_power, self.inlet, self.comb_chamber, self.compressor2,
self.load, self.zero_load1, self.zero_load2, self.comb_chamber_inter_up, self.source2],
precision=0.001, cold_work_fluid=Air(),
hot_work_fluid=NaturalGasCombustionProducts())
solver.create_gas_dynamic_connection(self.atmosphere, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.compressor2)
solver.create_gas_dynamic_connection(self.compressor2, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.source1)
solver.create_gas_dynamic_connection(self.source1, self.turbine_comp_up)
solver.create_gas_dynamic_connection(self.turbine_comp_up, self.comb_chamber_inter_up)
solver.create_gas_dynamic_connection(self.comb_chamber_inter_up, self.source2)
solver.create_gas_dynamic_connection(self.source2, self.turbine_low_pres_power)
solver.create_gas_dynamic_connection(self.turbine_low_pres_power, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.atmosphere)
solver.create_mechanical_connection(self.turbine_low_pres_power, self.load, self.zero_load1)
solver.create_mechanical_connection(self.turbine_comp_up, self.compressor2, self.zero_load2)
return solver
def get_2V_solver(self) -> NetworkSolver:
solver = NetworkSolver([self.load, self.zero_load1, self.zero_load2, self.atmosphere, self.outlet, self.inlet,
self.turbine_comp_down, self.compressor2, self.turbine_high_pres_power,
self.comb_chamber, self.sink, self.source1, self.source2], precision=0.0005,
cold_work_fluid=Air(),
hot_work_fluid=NaturalGasCombustionProducts())
solver.create_gas_dynamic_connection(self.atmosphere, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.compressor2)
solver.create_gas_dynamic_connection(self.compressor2, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.source1)
solver.create_gas_dynamic_connection(self.source1, self.turbine_high_pres_power)
solver.create_gas_dynamic_connection(self.turbine_high_pres_power, self.source2)
solver.create_gas_dynamic_connection(self.source2, self.turbine_comp_down)
solver.create_gas_dynamic_connection(self.turbine_comp_down, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.atmosphere)
solver.create_mechanical_connection(self.turbine_high_pres_power, self.load, self.zero_load1)
solver.create_mechanical_connection(self.turbine_comp_down, self.compressor2, self.zero_load2)
return solver
def get_2VIH_solver(self) -> NetworkSolver:
solver = NetworkSolver([self.load, self.zero_load1, self.zero_load2, self.atmosphere, self.outlet, self.inlet,
self.turbine_comp_down, self.compressor2, self.turbine_high_pres_power,
self.comb_chamber, self.sink, self.source1, self.source2,
self.comb_chamber_inter_down], precision=0.0005, cold_work_fluid=Air(),
hot_work_fluid=NaturalGasCombustionProducts())
solver.create_gas_dynamic_connection(self.atmosphere, self.inlet)
solver.create_gas_dynamic_connection(self.inlet, self.compressor2)
solver.create_gas_dynamic_connection(self.compressor2, self.sink)
solver.create_gas_dynamic_connection(self.sink, self.comb_chamber)
solver.create_gas_dynamic_connection(self.comb_chamber, self.source1)
solver.create_gas_dynamic_connection(self.source1, self.turbine_high_pres_power)
solver.create_gas_dynamic_connection(self.turbine_high_pres_power, self.comb_chamber_inter_down)
solver.create_gas_dynamic_connection(self.comb_chamber_inter_down, self.source2)
solver.create_gas_dynamic_connection(self.source2, self.turbine_comp_down)
solver.create_gas_dynamic_connection(self.turbine_comp_down, self.outlet)
solver.create_static_gas_dynamic_connection(self.outlet, self.atmosphere)
solver.create_mechanical_connection(self.turbine_high_pres_power, self.load, self.zero_load1)
solver.create_mechanical_connection(self.turbine_comp_down, self.compressor2, self.zero_load2)
return solver
def test_1B_behaviour_setting(self):
solver = self.get_1B_solver()
self.assertTrue(self.atmosphere.has_undefined_ports())
self.assertTrue(self.inlet.has_undefined_ports())
self.assertTrue(self.sink.has_undefined_ports())
self.assertTrue(self.compressor1.has_undefined_ports())
self.assertTrue(self.comb_chamber.has_undefined_ports())
self.assertTrue(self.source1.has_undefined_ports())
self.assertTrue(self.turbine_low_pres_power.has_undefined_ports())
self.assertTrue(self.outlet.has_undefined_ports())
solver.set_units_behaviour()
self.assertFalse(self.atmosphere.has_undefined_ports())
self.assertFalse(self.inlet.has_undefined_ports())
self.assertFalse(self.compressor1.has_undefined_ports())
self.assertFalse(self.sink.has_undefined_ports())
self.assertFalse(self.comb_chamber.has_undefined_ports())
self.assertFalse(self.source1.has_undefined_ports())
self.assertFalse(self.turbine_low_pres_power.has_undefined_ports())
self.assertFalse(self.outlet.has_undefined_ports())
self.assertTrue(self.source1.check_upstream_behaviour())
self.assertTrue(self.comb_chamber.check_upstream_behaviour())
self.assertFalse(self.comb_chamber.check_downstream_behaviour())
self.assertTrue(self.turbine_low_pres_power.check_power_turbine_behaviour())
self.assertFalse(self.turbine_low_pres_power.check_downstream_compressor_turbine_behaviour())
self.assertFalse(self.turbine_low_pres_power.check_upstream_compressor_turbine_behaviour())
def test_1B_sorting_units(self):
solver = self.get_1B_solver()
sorted_list = solver.get_sorted_unit_list()
self.assertEqual(sorted_list[0], self.atmosphere)
self.assertEqual(sorted_list[1], self.inlet)
self.assertEqual(sorted_list[2], self.compressor1)
self.assertEqual(sorted_list[3], self.sink)
self.assertEqual(sorted_list[4], self.comb_chamber)
self.assertEqual(sorted_list[5], self.source1)
self.assertEqual(sorted_list[6], self.turbine_low_pres_power)
self.assertEqual(sorted_list[7], self.outlet)
def test_1B_solving(self):
solver = self.get_1B_solver()
solver.solve()
print()
print('1B scheme solving testing')
print('pi_power_turb = %.4f' % self.turbine_low_pres_power.pi_t)
print('T_power_turb_out = %.1f' % self.turbine_low_pres_power.T_stag_out)
print('T_out = %.2f' % self.atmosphere.T_stag_in)
print('g_comb_in = %.4f' % self.comb_chamber.g_in)
print('g_comb_out = %.4f' % self.comb_chamber.g_out)
print('g_turb_in = %.4f' % self.turbine_low_pres_power.g_in)
print('alpha_turb_in = %.4f' % self.turbine_low_pres_power.alpha_in)
print('T_comp_out = %.1f' % self.compressor1.T_stag_out)
print('g_fuel = %.4f' % self.comb_chamber.g_fuel_prime)
# проверка баланса давлений
self.assertAlmostEqual(abs(1 - self.atmosphere.p_stag_out * self.inlet.sigma *
self.outlet.sigma * self.comb_chamber.sigma_comb * self.compressor1.pi_c /
(self.atmosphere.p_stag_in * self.turbine_low_pres_power.pi_t)), 0, places=4)
def test_2N_behaviour_setting(self):
solver = self.get_2N_solver()
self.assertTrue(self.atmosphere.has_undefined_ports())