CADETProcess.processModel.LumpedRateModelWithoutPores.calculate_superficial_rt# LumpedRateModelWithoutPores.calculate_superficial_rt(flow_rate: float) → float# Calculate mean residence time of a volume element in an empty column. Parameters: flow_ratefloatVolumetric flow rate. Returns: t_sfloatMean residence time of empty column. See also calculate_superficial_velocity calculate_interstitial_rt