.ClaRa.SubSystems.Furnace.FreeboardSlice_L4.GasPressureLoss .ClaRa.SubSystems.Furnace.FreeboardSlice_L4.GasPressureLossGas pressure loss
model GasPressureLoss = ClaRa.Basics.ControlVolumes.Fundamentals.PressureLoss.Generic_PL.LinearPressureLoss_L2;