The pump as a turbine: A review on performance prediction, performance improvement, and economic analysis

A Nasir, E Dribssa, M Girma - Heliyon, 2024 - cell.com
Abstract Pumps as Turbines (PATs) are known for their ability to replace conventional
turbines in Pico/micro-hydropower plants. However, selecting a suitable pump and …

Numerical simulation of axial vortex in a centrifugal pump as turbine with S-blade impeller

X Wang, K Kuang, Z Wu, J Yang - Processes, 2020 - mdpi.com
Pump as turbines (PATs) are widely applied for recovering the dissipated energy of high-
pressure fluids in several hydraulic energy resources. When a centrifugal pump operates as …

Analysis of applicability of cfd numerical studies applied to problem when pump working as turbine

F Plua, V Hidalgo, PA López-Jiménez… - Water, 2021 - mdpi.com
The present research depicts an analysis of the implementation of computational fluid
dynamics (CFD) in the study of pumps such as turbines and PATs. To highlight the benefits …

Mathematic Modelling of a Reversible Hydropower System: Dynamic Effects in Turbine Mode

HM Ramos, OE Coronado-Hernández, PA Morgado… - Water, 2023 - mdpi.com
Over the past few years, there has been significant interest in the importance of reversible
hydro-pumping systems due to their favorable flexibility and economic and environmental …

Flow conditions for PATs operating in parallel: Experimental and numerical analyses

M Simão, M Pérez-Sánchez, A Carravetta, HM Ramos - Energies, 2019 - mdpi.com
Micro-hydro systems can be used as a promising new source of renewable energy
generation, requiring a low investment cost of hydraulic, mechanical, and electrical …

A comparative study of impeller modification techniques on the performance of the pump as a turbine

A Nasir, E Dribssa, M Girma… - International Journal of …, 2022 - Wiley Online Library
The extensive use of the pump as a turbine (PAT) for micro‐hydropower applications has a
significant value from economic and technical viewpoints. However, the unavailability of the …

Effect of stall cells on pressure fluctuations characteristics in a centrifugal pump

P Zhou, J Dai, C Yan, S Zheng, C Ye, X Zhang - Symmetry, 2019 - mdpi.com
Rotating stall is an unsteady flow phenomenon, which always leads to instability and
efficiency degradation. In order to reveal pressure fluctuations in the impeller of centrifugal …

Optimal energy efficiency of isolated PAT systems by SEIG excitation tuning

JFP Fernandes, M Pérez-Sánchez, FF da Silva… - Energy Conversion and …, 2019 - Elsevier
The use of pump working as turbine (PAT) was identified by many researchers as a way to
improve the energy efficiency in the water systems. However, the majority of the researches …

Performance and unsteady flow characteristic of forward-curved impeller with different blade inlet swept angles in a pump as turbine

T Wang, H Yu, R Xiang, XM Chen, X Zhang - Energy, 2023 - Elsevier
As an economical energy recovery device, a pump as turbine (PAT) is widely used in micro
hydropower and energy recovery fields. Compared with an original impeller, a special …

Pumps as Turbines (PATs) by Analysis with CFD Models

F Plua, V Hidalgo, E Cando… - … Journal on Advanced …, 2022 - riunet.upv.es
[EN] Pumps as turbines (PATs) are the typical solution for electrification using micro
hydropower plants (MHP) in the rural sector. Other engineering applications where lately the …