.ClaRa.Components.HeatExchangers.FlatTubeFinnedHEXvle2gas_L4.PressureLoss_b .ClaRa.Components.HeatExchangers.FlatTubeFinnedHEXvle2gas_L4.PressureLoss_bmodel PressureLoss_b = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.LinearPressureLoss_L4;