Esempio n. 1
0
    def setup(self):
        # %% network

        self.nw = network(fluids=['water', 'NH3'],
                          T_unit='C',
                          p_unit='bar',
                          h_unit='kJ / kg',
                          m_unit='kg / s')

        # %% components

        # sources & sinks

        c_in = source('coolant in')
        cb = source('consumer back flow')
        cf = sink('consumer feed flow')
        amb_in = source('source ambient')
        amb_out = sink('sink ambient')
        ic_in = source('source intercool')
        ic_out = sink('sink intercool')

        c_out = sink('coolant out')

        # consumer system

        cd = heat_exchanger('condenser')
        rp = pump('recirculation pump')
        cons = heat_exchanger_simple('consumer')

        # evaporator system

        va = valve('valve')
        dr = drum('drum')
        ev = heat_exchanger('evaporator')
        su = heat_exchanger('superheater')
        pu = pump('pump evaporator')

        # compressor-system

        cp1 = compressor('compressor 1')
        cp2 = compressor('compressor 2')
        he = heat_exchanger('intercooler')

        # busses

        self.power = bus('total compressor power')
        self.power.add_comps({'c': cp1}, {'c': cp2})
        self.heat = bus('total delivered heat')
        self.heat.add_comps({'c': cd, 'char': -1})
        self.nw.add_busses(self.power, self.heat)

        # %% connections

        # consumer system

        c_in_cd = connection(c_in, 'out1', cd, 'in1')

        cb_rp = connection(cb, 'out1', rp, 'in1')
        rp_cd = connection(rp, 'out1', cd, 'in2')
        self.cd_cons = connection(cd, 'out2', cons, 'in1')
        cons_cf = connection(cons, 'out1', cf, 'in1')

        self.nw.add_conns(c_in_cd, cb_rp, rp_cd, self.cd_cons, cons_cf)

        # connection condenser - evaporator system

        cd_va = connection(cd, 'out1', va, 'in1')

        self.nw.add_conns(cd_va)

        # evaporator system

        va_dr = connection(va, 'out1', dr, 'in1')
        dr_pu = connection(dr, 'out1', pu, 'in1')
        pu_ev = connection(pu, 'out1', ev, 'in2')
        ev_dr = connection(ev, 'out2', dr, 'in2')
        dr_su = connection(dr, 'out2', su, 'in2')

        self.nw.add_conns(va_dr, dr_pu, pu_ev, ev_dr, dr_su)

        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
        ])
        rp.set_attr(eta_s=0.8,
                    design=['eta_s'],
                    offdesign=['eta_s_char'],
                    eta_s_char=dc_cc(func=char_line(x, y), param='m'))
        cons.set_attr(pr=1, design=['pr'], offdesign=['zeta'])

        # evaporator system

        x = np.linspace(0, 2.5, 26)
        y = np.array([
            0.000, 0.164, 0.283, 0.389, 0.488, 0.581, 0.670, 0.756, 0.840,
            0.921, 1.000, 1.078, 1.154, 1.228, 1.302, 1.374, 1.446, 1.516,
            1.585, 1.654, 1.722, 1.789, 1.855, 1.921, 1.986, 2.051
        ])
        kA_char1 = dc_cc(func=char_line(x, y), param='m')

        x = np.array([
            0.0100, 0.0400, 0.0700, 0.1100, 0.1500, 0.2000, 0.2500, 0.3000,
            0.3500, 0.4000, 0.4500, 0.5000, 0.5500, 0.6000, 0.6500, 0.7000,
            0.7500, 0.8000, 0.8500, 0.9000, 0.9500, 1.0000, 1.5000, 2.0000
        ])

        y = np.array([
            0.0185, 0.0751, 0.1336, 0.2147, 0.2997, 0.4118, 0.5310, 0.6582,
            0.7942, 0.9400, 0.9883, 0.9913, 0.9936, 0.9953, 0.9966, 0.9975,
            0.9983, 0.9988, 0.9992, 0.9996, 0.9998, 1.0000, 1.0008, 1.0014
        ])
        kA_char2 = dc_cc(func=char_line(x, y), param='m')
        ev.set_attr(pr1=1,
                    pr2=.999,
                    ttd_l=5,
                    design=['ttd_l'],
                    offdesign=['kA'],
                    kA_char1=kA_char1,
                    kA_char2=kA_char2)

        # no kA modification for hot side!
        x = np.array([0, 1])
        y = np.array([1, 1])
        kA_char1 = dc_cc(func=char_line(x, y), param='m')

        # characteristic line for superheater kA
        x = np.array(
            [0, 0.045, 0.136, 0.244, 0.43, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2])
        y = np.array(
            [0, 0.037, 0.112, 0.207, 0.5, 0.8, 0.85, 0.9, 0.95, 1, 1.04, 1.07])
        kA_char2 = dc_cc(func=char_line(x, y), param='m')
        su.set_attr(kA_char1=kA_char1,
                    kA_char2=kA_char2,
                    offdesign=['zeta1', 'zeta2', 'kA'])

        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
        ])
        pu.set_attr(eta_s=0.8,
                    design=['eta_s'],
                    offdesign=['eta_s_char'],
                    eta_s_char=dc_cc(func=char_line(x, y), param='m'))

        # compressor system

        x = np.array([0, 0.4, 1, 1.2])
        y = np.array([0.5, 0.9, 1, 1.1])

        cp1.set_attr(eta_s=0.8,
                     design=['eta_s'],
                     offdesign=['eta_s_char'],
                     eta_s_char=dc_cc(func=char_line(x, y), param='m'))
        cp2.set_attr(eta_s=0.8,
                     design=['eta_s'],
                     offdesign=['eta_s_char'],
                     eta_s_char=dc_cc(func=char_line(x, y), param='m'))

        # characteristic line for intercooler kA
        x = np.linspace(0, 2.5, 26)
        y = np.array([
            0.0000, 0.2455, 0.3747, 0.4798, 0.5718, 0.6552, 0.7323, 0.8045,
            0.8727, 0.9378, 1.0000, 1.0599, 1.1176, 1.1736, 1.2278, 1.2806,
            1.3320, 1.3822, 1.4313, 1.4792, 1.5263, 1.5724, 1.6176, 1.6621,
            1.7058, 1.7488
        ])
        # x = np.array([0, 1])
        # y = np.array([1, 1])
        kA_char1 = dc_cc(func=char_line(x, y), param='m')

        x = np.linspace(0, 2.5, 26)
        y = np.array([
            0.000, 0.164, 0.283, 0.389, 0.488, 0.581, 0.670, 0.756, 0.840,
            0.921, 1.000, 1.078, 1.154, 1.228, 1.302, 1.374, 1.446, 1.516,
            1.585, 1.654, 1.722, 1.789, 1.855, 1.921, 1.986, 2.051
        ])
        # x = np.array([0, 1])
        # y = np.array([1, 1])
        kA_char2 = dc_cc(func=char_line(x, y), param='m')

        he.set_attr(kA_char1=kA_char1,
                    kA_char2=kA_char2,
                    offdesign=['zeta1', 'zeta2', 'kA'])

        # characteristic line for condenser kA
        x = np.linspace(0, 2.5, 26)
        y = np.array([
            0.0000, 0.2455, 0.3747, 0.4798, 0.5718, 0.6552, 0.7323, 0.8045,
            0.8727, 0.9378, 1.0000, 1.0599, 1.1176, 1.1736, 1.2278, 1.2806,
            1.3320, 1.3822, 1.4313, 1.4792, 1.5263, 1.5724, 1.6176, 1.6621,
            1.7058, 1.7488
        ])
        kA_char1 = dc_cc(func=char_line(x, y), param='m')

        x = np.linspace(0, 2.5, 26)
        y = np.array([
            0.000, 0.164, 0.283, 0.389, 0.488, 0.581, 0.670, 0.756, 0.840,
            0.921, 1.000, 1.078, 1.154, 1.228, 1.302, 1.374, 1.446, 1.516,
            1.585, 1.654, 1.722, 1.789, 1.855, 1.921, 1.986, 2.051
        ])
        kA_char2 = dc_cc(func=char_line(x, y), param='m')

        cd.set_attr(kA_char1=kA_char1,
                    kA_char2=kA_char2,
                    pr2=0.9998,
                    design=['pr2'],
                    offdesign=['zeta2', 'kA'])

        # %% connection parametrization

        # condenser system

        c_in_cd.set_attr(fluid={'water': 0, 'NH3': 1}, p=60)
        rp_cd.set_attr(T=60, fluid={'water': 1, 'NH3': 0}, p=10)
        self.cd_cons.set_attr(T=105)
        cons_cf.set_attr(h=ref(cb_rp, 1, 0), p=ref(cb_rp, 1, 0))
        cd_va.set_attr(p=ref(c_in_cd, 1, -1000),
                       Td_bp=-5,
                       h0=500,
                       design=['Td_bp'])

        # evaporator system cold side

        pu_ev.set_attr(m=ref(va_dr, 10, 0), p0=5)
        dr_su.set_attr(p0=5, T=5)
        su_cp1.set_attr(p=ref(dr_su, 1, -5000),
                        Td_bp=5,
                        h0=1700,
                        design=['Td_bp', 'p'])

        # evaporator system hot side

        self.amb_in_su.set_attr(m=20, T=12, p=1, fluid={'water': 1, 'NH3': 0})
        su_ev.set_attr(p=ref(self.amb_in_su, 1, -100), design=['p'])
        ev_amb_out.set_attr()

        # compressor-system

        cp1_he.set_attr(p=15)
        he_cp2.set_attr(T=40, p=ref(cp1_he, 1, -1000), design=['T', 'p'])
        ic_in_he.set_attr(p=1, T=20, m=5, fluid={'water': 1, 'NH3': 0})
        he_ic_out.set_attr(p=ref(ic_in_he, 1, -200), design=['p'])
        cp2_c_out.set_attr(p=ref(c_in_cd, 1, 0), h=ref(c_in_cd, 1, 0))
Esempio n. 2
0
             h_range=[10, 4000])

# %% components
# gas turbine part
comp = compressor('compressor')
comp_fuel = compressor('fuel compressor')
c_c = combustion_chamber('combustion')
g_turb = turbine('gas turbine')

CH4 = source('fuel source')
air = source('ambient air')

# waste heat recovery
suph = heat_exchanger('superheater')
evap = heat_exchanger('evaporator')
drum = drum('drum')
eco = heat_exchanger('economizer')
ch = sink('chimney')

# steam turbine part
turb_hp = turbine('steam turbine high pressure')
cond_dh = condenser('district heating condenser')
mp_split = splitter('mp split')
turb_lp = turbine('steam turbine low pressure')
cond = condenser('condenser')
merge = merge('merge')
pump1 = pump('feed water pump 1')
pump2 = pump('feed water pump 2')
ls_out = sink('ls sink')
ls_in = source('ls source')
mp_valve = valve('mp valve')