.ClaRa.Components.MechanicalSeparation.Bottle_L3.HeatTransfer .ClaRa.Components.MechanicalSeparation.Bottle_L3.HeatTransfermodel HeatTransfer = ClaRa.Basics.ControlVolumes.Fundamentals.HeatTransport.Generic_HT.Constant_L3(alpha_nom = {3000, 3000});