def W_min_HS_ratio(self):
        """Calculate the minimum flocculator channel width, given the minimum
        ratio between expansion height (H) and baffle spacing (S).
        :returns: Minimum channel width given H_e/S
        :rtype: float * centimeter
        """
        return ((self.HS_RATIO_MIN * self.Q / self.downstream_H) *
               (self.BAFFLE_K /
                (2 * self.downstream_H * pc.viscosity_kinematic(self.temp) * self.vel_grad_avg ** 2)) ** (1/3)
               ).to(u.cm)
def W_min_HS_ratio ( self ) : return ( ( self . HS_RATIO_MIN * self . Q / self . downstream_H ) * ( self . BAFFLE_K / ( 2 * self . downstream_H * pc . viscosity_kinematic ( self . temp ) * self . vel_grad_avg ** 2 ) ) ** ( 1 / 3 ) ) . to ( u . cm )
Calculate the minimum flocculator channel width, given the minimum
        ratio between expansion height (H) and baffle spacing (S).
        :returns: Minimum channel width given H_e/S
        :rtype: float * centimeter