.ClaRa.Basics.ControlVolumes.SolidVolumes.NTU_L3_standalone.HeatExchangerType .ClaRa.Basics.ControlVolumes.SolidVolumes.NTU_L3_standalone.HeatExchangerTypemodel HeatExchangerType = ClaRa.Basics.ControlVolumes.SolidVolumes.Fundamentals.HeatExchangerTypes.CounterFlow_L3;