type FlowQuantities = enumeration(n_flow_molps "Molar flow (mol/s)", n_flow_mmolps "Molar flow (mmol/s)", m_flow_kgps "Mass flow (kg/s)", m_flow_gps "Mass flow (g/s)", H_flow_Jps "Enthalpy flow (J/s)", S_flow_JpKs "Enthopy flow (J/(K.s))", Cp_flow_JpKs "Heat capacity flow (J/(K.s))", V_flow_m3ps "Volume flow (m3/s)", V_flow_lpMin "Volume flow (l/min)");