[HTML][HTML] Hydropower exploitation for Pakistan's sustainable development: A SWOT analysis considering current situation, challenges, and prospects

M Sibtain, X Li, H Bashir, MI Azam - Energy Strategy Reviews, 2021 - Elsevier
Pakistan has not fully harnessed the capacity of its vast hydropower potential for electricity
generation. It depends on imported and local fossil fuels to fulfill its energy demands, which …

Energy loss mechanisms of transition from pump mode to turbine mode of an axial-flow pump under bidirectional conditions

K Kan, Z Xu, H Chen, H Xu, Y Zheng, D Zhou… - Energy, 2022 - Elsevier
Pump-as-turbine stations with ultra-low head often face the deterioration risk during load
rejection operations when the demands in water delivery and power generation are …

Energy analysis of Francis turbine for various mass flow rate conditions based on entropy production theory

A Yu, Y Tang, Q Tang, J Cai, L Zhao, X Ge - Renewable Energy, 2022 - Elsevier
A methodology of the entropy production theory is employed in hydro turbine flows to
analyze the hydraulic loss characteristics quantitatively. The entropy production theory has …

Performance study of ducted nozzle Savonius water turbine, comparison with conventional Savonius turbine

AH Elbatran, YM Ahmed, AS Shehata - Energy, 2017 - Elsevier
Savonius turbine presents an attractive, environmentally friendly and cost effective electric
generation in low velocity regions. However, this turbine has not been fully explored, as …

The validation of Granger causality through formulation and use of finance-growth-energy indexes

F Hayat, MDS Pirzada, AA Khan - Renewable and Sustainable Energy …, 2018 - Elsevier
The paper aims to investigate the finance-growth-energy nexus validity in Pakistan by taking
large range of relevant variables and developing indexes. Focus of the paper is to evaluate …

Dynamic modeling of vortex induced vibration wind turbines

A Chizfahm, EA Yazdi, M Eghtesad - Renewable Energy, 2018 - Elsevier
This paper studies the dynamic modeling of four configurations of vortex-induced vibrations
of a bladeless wind turbine (BWT). The BWTs consist of a bluff body mounted on a flexible …

Numerical investigation on the volute cutwater for pumps running in turbine mode

A Morabito, E Vagnoni, M Di Matteo, P Hendrick - Renewable Energy, 2021 - Elsevier
The hydropower sector has recently raised the interest in pump as turbine (PaT) that can be
a valid trade-off between capital cost and performance in micro-scale installations …

Francis turbine draft tube parameterization and analysis of performance characteristics using CFD techniques

TM Arispe, W de Oliveira, RG Ramirez - Renewable energy, 2018 - Elsevier
The present paper focuses on the parameterization of the draft tube elbow based on the
initial geometry of the GAMM Francis turbine model. The goal was to obtain a draft tube …

A robust methodology for the design optimization of diffuser augmented wind turbine shrouds

SN Leloudas, GN Lygidakis, AI Eskantar, IK Nikolos - Renewable Energy, 2020 - Elsevier
Shrouded wind turbines represent an attractive solution of high potential that could improve
significantly the feasibility of renewable energy production at sites characterized by poor …

Experimental investigation of a two-bladed double stage Savonius-akin hydrokinetic turbine at low flow velocity conditions

KC Sarma, A Biswas, RD Misra - Renewable Energy, 2022 - Elsevier
Savonius-akin hydrokinetic turbine (SAHT) is a promising technology for generating
hydropower from an ultra-low head condition with low flow velocity, wherein the kinetic …