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RISOn the Propagation and Attenuation of Turbulent Fluid Transients in Circular Pipes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The attenuation of turbulent fluid transients in pipes is numerically investigated in the present study using onedimensional (1D) and twodimensional (2D) water hammer models. The method of characteristics (MOC) is used for ...
On the Hierarchy of Models for Pipe Transients: From Quasi-Two-Dimensional Water Hammer Models to Full Three-Dimensional Computational Fluid Dynamics Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A hierarchy of models exists in the literature for the simulation of pipe transients. One-dimensional (1D) water hammer models provide a cost-effective tool for the analysis of such transients. Traditional 1D models implement ...
Integral Pumping Devices for Dual Mechanical Seals: Experiments and Numerical Simulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental and numerical investigation is carried out to evaluate the performance of alternative pumping ring designs for dual mechanical seals. Both radialflow and axialflow pumping rings are considered in the present ...
On the Performance of Air Lift Pumps: From Analytical Models to Large Eddy Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study investigates a hierarchy of models for predicting the performance of airlift pumps. Investigated models range from simplified onedimensional analytical models to large eddy simulation (LES). Numerical ...