Here, recent developments in the key numerical approaches to water hammer modelling are summarized and critiqued. This paper summarizes one-dimensional modelling using the …
Increase of efficiency (η) and decrease of the required NPSH simultaneously are important objectives in the design of centrifugal pumps. In the present study, multi-objective …
This paper investigates water hammer flows using two-and three-dimensional (2D and 3D) numerical simulations. The unsteady Reynolds-averaged Navier–Stokes (URANS) …
MR Nikpour, AH Nazemi, AH Dalir, F Shoja… - Arabian Journal for …, 2014 - Springer
Water hammer as an important phenomenon in water distribution networks was studied using experimental and numerical models in two different setups, with and without the surge …
M Mousavifard - Journal of Hydraulic Engineering, 2022 - ascelibrary.org
A two-dimensional model of distributed vaporous cavitation is developed for transient flow in a low-density polyethylene pipeline. In this model, the governing equations of transient flow …
A Riasi, A Nourbakhsh, M Raisee - Computers & Fluids, 2013 - Elsevier
Energy dissipation and turbulent kinetic energy production and its dissipation in unsteady turbulent pipe flows due to water hammer phenomena are numerically studied. For this …
The pressure-time method is a discharge measurement technique commonly used to estimate the flow rate in hydro-power plants to assess the turbine hydraulic efficiency. In this …
M Kalantar, P Jonsson, G Dunca… - IOP Conference Series …, 2022 - iopscience.iop.org
The flow rate is a challenging hydrodynamic parameter to measure in order to determine turbine efficiency. The pressure-time method is a cost-effective alternative to estimate the …
F Miao, HS Park, C Kim, S Ahn - Journal of Mechanical Science and …, 2015 - Springer
This paper presents a multi-objective optimization of the impeller shape of an axial-flow pump based on the Modified particle swarm optimization (MPSO) algorithm. At first, an …