Exemple #1
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    def calculo(self):
        self.entrada = self.kwargs["entrada"]
        metodo = self.kwargs["metodo"]
        self.Pout = Pressure(self.kwargs["Pout"])
        razon = self.kwargs["razon"]
        self.rendimientoCalculado = Dimensionless(self.kwargs["rendimiento"])
        if self.kwargs["etapas"]:
            self.etapas = self.kwargs["etapas"]
        else:
            self.etapas = 1.
        self.power = Power(self.kwargs["trabajo"])

        def f(Pout, rendimiento):
            W_ideal = self.__Wideal(Pout)
            power = W_ideal * self.entrada.caudalmasico.gs / rendimiento
            return power

        if metodo in [0, 3] or (metodo == 5 and self.Pout):
            if self.etapas == 1:
                razon = self.Pout.atm / self.entrada.P.atm
            else:
                razon = (self.Pout.atm / self.entrada.P.atm)**(1. /
                                                               self.etapas)
        elif metodo in [1, 4] or (metodo == 5 and razon):
            if self.etapas == 1:
                self.Pout = Pressure(self.entrada.P * razon)
            else:
                self.Pout = Pressure(razon**self.etapas * self.entrada.P)

        if metodo in [0, 1]:
            Wideal = self.__Wideal(self.Pout.atm)
            power = Wideal * self.entrada.caudalmasico.gs / self.rendimientoCalculado
            self.power = Power(power * self.etapas)
        elif metodo == 2:
            funcion = lambda P: f(P, self.rendimientoCalculado) - self.power
            self.Pout = Pressure(fsolve(funcion, self.entrada.P + 1))
            if self.etapas == 1:
                razon = self.Pout / self.entrada.P
            else:
                razon = (self.Pout / self.entrada.P)**(1. / self.etapas)
        elif metodo in [3, 4]:
            funcion = lambda rendimiento: f(self.Pout.atm, rendimiento
                                            ) - self.power
            self.rendimientoCalculado = Dimensionless(fsolve(funcion, 0.5))
        elif metodo == 5:
            Wideal = self.__Wideal(self.Pout.atm)
            caudalmasico = MassFlow(
                self.power * self.rendimientoCalculado / Wideal, "gs")
            self.Tout = self.__Tout(Wideal)
            self.entrada = self.entrada.clone(caudalMasico=caudalmasico)

        Wideal = self.__Wideal(self.Pout.atm)
        self.Tout = Temperature(self.__Tout(Wideal))
        self.salida = [self.entrada.clone(T=self.Tout, P=self.Pout)]
        self.razonCalculada = Dimensionless(self.Pout / self.entrada.P)
        self.deltaT = DeltaT(self.salida[0].T - self.entrada.T)
        self.deltaP = DeltaP(self.salida[0].P - self.entrada.P)
        self.cp_cv = self.entrada.Gas.cp_cv
        self.Pin = self.entrada.P
        self.Tin = self.entrada.T
Exemple #2
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    def calculo(self):
        self.entrada = self.kwargs["entrada"]
        self.rendimientoCalculado = Dimensionless(self.kwargs["rendimiento"])

        if self.kwargs["Pout"]:
            DeltaP = Pressure(self.kwargs["Pout"] - self.entrada.P)
        elif self.kwargs["deltaP"]:
            DeltaP = Pressure(self.kwargs["deltaP"])
        elif self.kwargs["Carga"]:
            DeltaP = Pressure(self.kwargs["Carga"] * self.entrada.Liquido.rho *
                              g)
        else:
            DeltaP = Pressure(0)

        if self.kwargs["usarCurva"]:
            if self.kwargs["diametro"] != self.kwargs["curvaCaracteristica"][
                    0] or self.kwargs["velocidad"] != self.kwargs[
                        "curvaCaracteristica"][1]:
                self.curvaActual = self.calcularCurvaActual()
            else:
                self.curvaActual = self.kwargs["curvaCaracteristica"]
            self.Ajustar_Curvas_Caracteristicas()

        if not self.kwargs["usarCurva"]:
            head = Length(DeltaP / g / self.entrada.Liquido.rho)
            power = Power(head * g * self.entrada.Liquido.rho *
                          self.entrada.Q / self.rendimientoCalculado)
            P_freno = Power(power * self.rendimientoCalculado)
        elif not self.kwargs["incognita"]:
            head = Length(polyval(self.CurvaHQ, self.entrada.Q))
            self.DeltaP = Pressure(head * g * self.entrada.Liquido.rho)
            power = Power(self.entrada.Q * DeltaP)
            P_freno = Power(polyval(self.CurvaPotQ, self.entrada.Q))
            self.rendimientoCalculado = Dimensionless(power / P_freno)
        else:
            head = Length(self.DeltaP / g / self.entrada.Liquido.rho)
            caudalvolumetrico = roots(
                [self.CurvaHQ[0], self.CurvaHQ[1], self.CurvaHQ[2] - head])[0]
            power = Power(caudalvolumetrico * self.DeltaP)
            self.entrada = Corriente(
                self.entrada.T, self.entrada.P.atm,
                caudalvolumetrico * self.entrada.Liquido.rho * 3600,
                self.entrada.mezcla, self.entrada.solido)
            P_freno = Power(polyval(self.CurvaPotQ, caudalvolumetrico))
            self.rendimientoCalculado = Dimensionless(power / P_freno)

        self.headCalculada = head
        self.power = power
        self.P_freno = P_freno
        self.salida = [self.entrada.clone(P=self.entrada.P + DeltaP)]
        self.Pin = self.entrada.P
        self.PoutCalculada = self.salida[0].P
        self.Q = self.entrada.Q.galUSmin
        self.volflow = self.entrada.Q
Exemple #3
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    def calculo(self):
        entrada = self.kwargs["entrada"]
        self.rendimientoCalculado = Dimensionless(self.kwargs["rendimiento"])

        if self.kwargs["Pout"]:
            DeltaP = Pressure(self.kwargs["Pout"] - entrada.P)
        elif self.kwargs["deltaP"]:
            DeltaP = Pressure(self.kwargs["deltaP"])
        elif self.kwargs["Carga"]:
            DeltaP = Pressure(self.kwargs["Carga"] * entrada.Liquido.rho * g)
        else:
            DeltaP = Pressure(0)

        if self.kwargs["usarCurva"]:
            b1 = self.kwargs["diametro"] != self.kwargs["curvaCaracteristica"][
                0]  # noqa
            b2 = self.kwargs["velocidad"] != self.kwargs[
                "curvaCaracteristica"][1]  # noqa
            if b1 or b2:
                self.curvaActual = self.calcularCurvaActual()
            else:
                self.curvaActual = self.kwargs["curvaCaracteristica"]
            self.Ajustar_Curvas_Caracteristicas()

        if not self.kwargs["usarCurva"]:
            head = Length(DeltaP / g / entrada.Liquido.rho)
            power = Power(head * g * entrada.Liquido.rho * entrada.Q /
                          self.rendimientoCalculado)
            P_freno = Power(power * self.rendimientoCalculado)
        elif not self.kwargs["incognita"]:
            head = Length(polyval(self.CurvaHQ, entrada.Q))
            DeltaP = Pressure(head * g * entrada.Liquido.rho)
            power = Power(entrada.Q * DeltaP)
            P_freno = Power(polyval(self.CurvaPotQ, entrada.Q))
            self.rendimientoCalculado = Dimensionless(power / P_freno)
        else:
            head = Length(self.DeltaP / g / entrada.Liquido.rho)
            poli = [self.CurvaHQ[0], self.CurvaHQ[1], self.CurvaHQ[2] - head]
            Q = roots(poli)[0]
            power = Power(Q * self.DeltaP)
            entrada = entrada.clone(split=Q / entrada.Q)
            P_freno = Power(polyval(self.CurvaPotQ, Q))
            self.rendimientoCalculado = Dimensionless(power / P_freno)

        self.deltaP = DeltaP
        self.headCalculada = head
        self.power = power
        self.P_freno = P_freno
        self.salida = [entrada.clone(P=entrada.P + DeltaP)]
        self.Pin = entrada.P
        self.PoutCalculada = self.salida[0].P
        self.volflow = entrada.Q
        self.cp_cv = entrada.Liquido.cp_cv
Exemple #4
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    def calculo(self):
        self.entrada = self.kwargs["entrada"]
        self.Pout = Pressure(self.kwargs["Pout"])
        self.razon = Dimensionless(self.kwargs["razon"])
        self.rendimientoCalculado = Dimensionless(self.kwargs["rendimiento"])
        self.power = Power(-abs(self.kwargs["trabajo"]))

        def f(Pout, rendimiento):
            W_ideal = self.__Wideal(Pout)
            power = W_ideal * self.entrada.caudalmasico.gs * rendimiento
            return power

        self.cp_cv = self.entrada.Gas.cp_cv

        if self.kwargs["metodo"] in [0, 3] or \
                (self.kwargs["metodo"] == 5 and self.Pout):
            self.razon = Dimensionless(self.Pout / self.entrada.P)
        elif self.kwargs["metodo"] in [1, 4] or \
                (self.kwargs["metodo"] == 5 and self.razon):
            self.Pout = Pressure(self.entrada.P * self.razon)

        if self.kwargs["metodo"] in [0, 1]:
            Wideal = self.__Wideal(self.Pout)
            G = self.entrada.caudalmasico.gs
            self.power = Power(Wideal * G * self.rendimientoCalculado)
        elif self.kwargs["metodo"] == 2:

            def function(P):
                return f(P, self.rendimientoCalculado) - self.power

            self.Pout = Pressure(fsolve(function, self.entrada.P.atm + 1),
                                 "atm")
            self.razon = Dimensionless(self.Pout / self.entrada.P)
        elif self.kwargs["metodo"] in [3, 4]:

            def function(rendimiento):
                return f(self.Pout.atm, rendimiento) - self.power

            self.rendimientoCalculado = Dimensionless(fsolve(function, 0.5))
        elif self.kwargs["metodo"] == 5:
            Wideal = self.__Wideal(self.Pout)
            G = MassFlow(self.power / self.rendimientoCalculado / Wideal, "gs")
            self.Tout = self.__Tout(Wideal)
            self.entrada = self.entrada.clone(caudalMasico=G)

        Wideal = self.__Wideal(self.Pout)
        self.Tout = Temperature(self.__Tout(Wideal))
        self.razonCalculada = Dimensionless(self.Pout / self.entrada.P)
        self.salida = [self.entrada.clone(T=self.Tout, P=self.Pout)]
        self.deltaT = DeltaT(self.salida[0].T - self.entrada.T)
        self.deltaP = DeltaP(self.salida[0].P - self.entrada.P)
        self.Pin = self.entrada.P
        self.Tin = self.entrada.T
    def calculo(self):
        #TODO: De momento, no se implementan las cuestiones de cinetica de intercambio de calor y materia que definirían las dimensiones necesarias del equipo
        HR = self.kwargs.get("HR", 100)
        self.Heat = Power(self.kwargs["Heat"])
        self.deltaP = Pressure(self.kwargs["deltaP"])
        self.entradaAire = self.kwargs["entradaAire"]

        Pout = min(self.kwargs["entradaSolido"].P.atm,
                   self.kwargs["entradaAire"].P.atm) - self.deltaP.atm

        aguaSolidoSalida = self.kwargs["HumedadResidual"] * self.kwargs[
            "entradaSolido"].solido.caudal.kgh
        aguaSolidoEntrada = self.kwargs["entradaSolido"].caudalmasico.kgh
        if self.kwargs["mode"] == 0:
            Caudal_aguaenAireSalida = aguaSolidoEntrada - aguaSolidoSalida + self.entradaAire.caudalMasico.kgh * self.entradaAire.Xw
            Caudal_airesalida = self.entradaAire.caudalMasico.kgh * self.entradaAire.Xa
            if self.entradaAire.Hs > Caudal_aguaenAireSalida / Caudal_airesalida:
                H = Caudal_aguaenAireSalida / Caudal_airesalida
            else:
                H = self.entradaAire.Hs
                aguaSolidoSalida += Caudal_aguaenAireSalida / Caudal_airesalida - self.entradaAire.Hs
            self.SalidaAire = PsychroState(caudal=Caudal_aguaenAireSalida +
                                           Caudal_airesalida,
                                           tdb=self.entradaAire.Tdb,
                                           H=H)
            self.SalidaSolido = self.kwargs["entradaSolido"].clone(
                T=self.SalidaAire.Tdb,
                P=Pout,
                split=aguaSolidoSalida / aguaSolidoEntrada)
        else:
            pass
Exemple #6
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def _Pbar(Z):
    """
    Standard atmosphere pressure as a function of altitude as explain in [1]_
    pag 1.1 Eq 3

    Parameters
    ------------
    Z : float
        Altitude, [m]

    Returns
    -------
    P : float
        Standard barometric pressure, [Pa]

    Examples
    --------
    Selected point from Table 1 in [1]_

    >>> "%0.3f" % _Pbar(-500).kPa
    '107.478'
    >>> "%0.3f" % _Pbar(8000).kPa
    '35.600'
    """
    P = (1-2.25577e-5*Z) ** 5.2559
    return Pressure(P, "atm")
Exemple #7
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def _Psat(T):
    """
    Water vapor saturation pressure calculation as explain in [1]_
    pag 1.2, Eq 5-6

    Parameters
    ------------
    T : float
        Temperature, [K]

    Returns
    -------
    P : float
        Saturation pressure, [Pa]
    """
    if 173.15 <= T < 273.15:
        # Saturation pressure over ice, Eq 5
        C = [-5674.5359, 6.3925247, -0.009677843, 0.00000062215701,
             2.0747825E-09, -9.484024E-13, 4.1635019]
        pws = exp(C[0]/T + C[1] + C[2]*T + C[3]*T**2 + C[4]*T**3 + C[5]*T**4 +
                  C[6]*log(T))
    elif 273.15 <= Tdb <= 473.15:
        # Saturation pressure over liquid water, Eq 6
        C = [-5800.2206, 1.3914993, -0.048640239, 0.000041764768,
             -0.000000014452093, 6.5459673]
        pws = exp(C[0]/T + C[1] + C[2]*T + C[3]*T**2 + C[4]*T**3 + C[5]*log(T))
    else:
        raise NotImplementedError("Incoming out of bound")

    return Pressure(pws) 
 def calculo(self):
     tdp, tdb, twb, P, Pvs, Pv, ws, w, HR, v, h = self._lib()
     self.tdp = Temperature(tdp)
     self.tdb = Temperature(tdb)
     self.twb = Temperature(twb)
     self.P = Pressure(P)
     self.Pvs = Pressure(Pvs)
     self.Pv = Pressure(Pv)
     self.ws = Dimensionless(ws, txt="kgw/kgda")
     self.w = Dimensionless(w, txt="kgw/kgda")
     self.HR = Dimensionless(HR, txt="%")
     self.mu = Dimensionless(w/ws*100)
     self.v = SpecificVolume(v)
     self.rho = Density(1/v)
     self.h = Enthalpy(h, "kJkg")
     self.Xa = 1/(1+self.w/0.62198)
     self.Xw = 1-self.Xa
Exemple #9
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 def readStatefromJSON(self, state):
     """Load instance parameter from saved file"""
     self.Pout = Pressure(state["Pout"])
     self.Tout = Temperature(state["Tout"])
     self.rendimientoCalculado = Dimensionless(state["rendimientoCalculado"])  # noqa
     self.power = Power(state["power"])
     self.razonCalculada = Dimensionless(state["razonCalculada"])
     self.razon = Dimensionless(state["razon"])
     self.deltaT = DeltaT(state["deltaT"])
     self.deltaP = DeltaP(state["deltaP"])
     self.cp_cv = Dimensionless(state["cp_cv"])
     self.Pin = Pressure(state["Pin"])
     self.Tin = Temperature(state["Tin"])
     self.cp_cv = Dimensionless(state["cp_cv"])
     self.statusCoste = state["statusCoste"]
     if self.statusCoste:
         self.C_adq = Currency(state["C_adq"])
         self.C_inst = Currency(state["C_inst"])
     self.salida = [None]
Exemple #10
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    def calculo(self):
        self.entradaGas = self.kwargs["entradaGas"]
        self.entradaLiquido = self.kwargs["entradaLiquido"]
        self.Dt = Length(self.kwargs["diametro"])
        self.Lt = Length(self.kwargs["Lt"])

        if self.kwargs["k"]:
            self.k = Dimensionless(self.kwargs["k"])
        else:
            self.k = Dimensionless(1000.)
        if self.kwargs["f"]:
            self.f = Dimensionless(self.kwargs["f"])
        else:
            self.f = Dimensionless(0.5)

        self.At = Area(pi / 4 * self.Dt**2)
        self.Vg = Speed(self.entradaGas.Q / self.At)
        self.R = self.entradaLiquido.Q / self.entradaGas.Q
        self.dd = Length(58600 *
                         (self.entradaLiquido.Liquido.sigma /
                          self.entradaLiquido.Liquido.rho)**0.5 / self.Vg**2 +
                         597 * (self.entradaLiquido.Liquido.mu /
                                self.entradaLiquido.Liquido.epsilon**0.5 /
                                self.entradaLiquido.Liquido.rho**0.5)**0.45 *
                         (1000 * self.R)**1.5)

        self.efficiency_i = self._Efficiency()
        self.efficiencyCalc = self._GlobalEfficiency(self.efficiency_i)

        if self.statusDeltaP:
            self.deltaP = self._deltaP()
        else:
            self.deltaP = DeltaP(0)

        Solido_NoCapturado, Solido_Capturado = self.entradaGas.solido.Separar(
            self.efficiency_i)
        self.Pin = min(self.entradaGas.P, self.entradaLiquido.P)
        self.Pout = Pressure(self.Pin - self.deltaP)
        self.Min = self.entradaGas.solido.caudal
        self.Dmin = self.entradaGas.solido.diametro_medio
        self.Mr = Solido_NoCapturado.caudal
        self.Dmr = Solido_NoCapturado.diametro_medio
        self.Ms = Solido_Capturado.caudal
        self.Dms = Solido_Capturado.diametro_medio

        self.salida = []
        self.salida.append(
            self.entradaGas.clone(solido=Solido_NoCapturado,
                                  P=self.Pin - self.deltaP))
        self.salida.append(
            self.entradaLiquido.clone(solido=Solido_Capturado,
                                      P=self.Pin - self.deltaP))
Exemple #11
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    def readStatefromJSON(self, state):
        """Load instance parameter from saved file"""
        self.deltaP = DeltaP(state["deltaP"])
        self.rendimientoCalculado = Dimensionless(
            state["rendimientoCalculado"])  # noqa
        self.headCalculada = Length(state["headCalculada"])
        self.power = Power(state["power"])
        self.P_freno = Power(state["P_freno"])
        self.Pin = Pressure(state["Pin"])
        self.PoutCalculada = Pressure(state["PoutCalculada"])
        self.volflow = VolFlow(state["volflow"])
        self.cp_cv = Dimensionless(state["cp_cv"])
        self.statusCoste = state["statusCoste"]

        if self.statusCoste:
            self.C_bomba = Currency(state["C_bomba"])
            self.C_motor = Currency(state["C_motor"])
            self.C_adq = Currency(state["C_adq"])
            self.C_inst = Currency(state["C_inst"])

        if self.kwargs["usarCurva"]:
            pass
        self.salida = [None]