.AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.AirDuct.HeatTransfer .AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.AirDuct.HeatTransfermodel HeatTransfer = BaseClasses.HeatTransfer.LocalDuctConvectiveHeatFlow;