.TRANSFORM.Fluid.Pipes_Obsolete.ClosureModels.HeatTransfer.Lumped.SinglePhase.DittusBoelter_SinglePhase_Lumped .TRANSFORM.Fluid.Pipes_Obsolete.ClosureModels.HeatTransfer.Lumped.SinglePhase.DittusBoelter_SinglePhase_LumpedSingle Phase: Dittus Boelter correlation