.ClaRa_Obsolete.SubSystems.ConvectiveHeatingPart_4SH.PressureLoss_SH2 .ClaRa_Obsolete.SubSystems.ConvectiveHeatingPart_4SH.PressureLoss_SH2model PressureLoss_SH2 = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.LinearPressureLoss_L4;