.ClaRa.Basics.ControlVolumes.GasVolumes.VolumeGas_L2_advanced.PressureLoss .ClaRa.Basics.ControlVolumes.GasVolumes.VolumeGas_L2_advanced.PressureLoss1st: pressure loss model | 2nd: edit corresponding record
model PressureLoss = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.NoFriction_L2;