.ClaRa_Obsolete.Basics.ControlVolumes.SolidVolumes.NTU_L2_advanced.HeatExchangerType .ClaRa_Obsolete.Basics.ControlVolumes.SolidVolumes.NTU_L2_advanced.HeatExchangerTypemodel HeatExchangerType = ClaRa.Basics.ControlVolumes.SolidVolumes.Fundamentals.HeatExchangerTypes.CounterFlow;