.ClaRa.Basics.ControlVolumes.SolidVolumes.NTU_L2_effectiveResistance.HeatExchangerType .ClaRa.Basics.ControlVolumes.SolidVolumes.NTU_L2_effectiveResistance.HeatExchangerTypemodel HeatExchangerType = ClaRa.Basics.ControlVolumes.SolidVolumes.Fundamentals.HeatExchangerTypes.CounterFlow;