Propeller.py 文件源码

def reqRevolutions(self, T_req, U):
        J_min = 0.05

        n_min = U/(self.J_max*self.D)
        n_max = U/(J_min*self.D)

        n_test = 10
        n = np.linspace(n_min, n_max, n_test)

        T = self.Thrust(U, n)

        n_spl = interpolate.splrep(T, n)

        return float(interpolate.splev(T_req, n_spl))