Operational problems and system damage have been linked to the flow regime transition
between free surface and pressurized flow in rapidly filling stormwater and combined sewer …

A pump− pipeline experiment platform is designed and built for exploring the dynamic flows
in a pipe-conveying fluid with entrapped air, and a corresponding CFD simulation is …

A new formulation of the Preissmann Slot for modeling surcharged (pressurized) one-
dimensional (1D) pipe flow is presented. The Dynamic Preissmann Slot (DPS) is derived in …

The introduction of nonlinear, shock-capturing schemes has improved numerical predictions
of hydraulic bores, but significant numerical oscillations have been reported in the …

Transition between free-surface and pressurized flows is a crucial phenomenon in many
hydraulic systems. During simulation of such phenomenon, severe numerical oscillations …

Some hydraulic applications are characterized by systems originally flowing in free-surface
conditions that subsequently undergo flowregime transition into pressurized flow during …

充水过程是大型管道输水系统在建成或检修后的第一道工作程序, 其瞬变流特性对工程的安全
运行具有直接影响. 关于充水过程瞬变流的分析, 目前国内外的研究主要集中在明渠 …

On the premise of water hammer theory, a numerical model is proposed for simulating the
filling process in an initially empty water conveyance pipeline with an undulating profile …

Flow regime in dam's BOTTOM OUTLET is divided in pressurized flow and free surface flow
by the gate located for discharge control. Down stream tunnel involves high velocity Multi …

The study of the hydraulic behavior of stormwater sewers during intense rain events is
motivated by operational problems associated with this rapid filling process they experience …