Results 11 to 20 of about 21,364 (211)

Metallographic Aspects Investigation of Penstock Materials in Hydroelectric Power Plants and Penstock Maintenance Methods

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019
Hydroelectric powerplants are renewable energy sources and have little impact on the environment.Therefore, it is one of the most preferred energy sources in the world.
Gökhan Kahraman, Yahya Taşgın
doaj   +1 more source

Performance evaluation of MQL with AL2O3 mixed nanofluids prepared at different concentrations in milling of Hastelloy C276 alloy

open access: yesJournal of Materials Research and Technology, 2020
Since some deficiencies in mist lubri-cooling techniques i.e., minimum quantity lubrication (MQL) in heavy cutting conditions have been noticed, recently nano-cutting fluids which have enrich thermal conductivity than base fluid, are begun to be used in ...
Fatih Günan   +3 more
doaj   +1 more source

Intelligent System for Dispatch Ranking of Generating Units in Thermoelectric Power-Plants

open access: yesBrazilian Archives of Biology and Technology, 2022
The multicriteria decision-making process is still an open problem, especially when the decision criteria are not numerical or fully outlined. Several numerical, intelligent, or hybrid techniques have been developed, creating contributions to this ...
Ricardo Barbosa de Almeida Campos   +9 more
doaj   +1 more source

Evaluation of tool wear, surface roughness/topography and chip morphology when machining of Ni-based alloy 625 under MQL, cryogenic cooling and CryoMQL

open access: yesJournal of Materials Research and Technology, 2020
Although nickel-based aerospace superalloys such as alloy 625 have superior properties including high-tensile and fatigue strength, corrosion resistance and good weldability, etc., its machinability is a difficult task which can be solved with ...
Çağrı Vakkas Yıldırım   +3 more
doaj   +1 more source

Observations on aquatic Macrophyte Dynamics In the Reservoir Of The Balbina Hydroelectric Powerplant, Amazonas State, Brazil [PDF]

open access: yesActa Amazonica, 1999
Between 1991 and 1995 aquatic macrophyte composition was observed in the lower part of the reservoir of the hydroelectric power plant of Balbina (Amazonas, Brazil).
Ilse WALKER   +2 more
doaj   +1 more source

DEVELOPMENT OF AUTOMATION OF PROTECTION OF THE HOME ELECTRICITY OF POWER-PLANTS [PDF]

open access: yesBiomedicinskaâ Inženeriâ i Èlektronika, 2017
The main types and classification of safety fuses are considered. The advantages of a grid protection network against overload are highlighted. The methodology and the scheme of the home network protection automaton from overload are presented.
Novikova L.V.   +2 more
doaj   +1 more source

An overview on the carbon capture technologies with an approach of green coal production study [PDF]

open access: yesChemical Review and Letters, 2020
Coal will still be a significant component of power generation for years to come, and carbon dioxide capture systems will be the essential feature of clean coal in the future. Those who promise to deliver low carbon dioxide capture costs are committed to
Nima Norouzi   +2 more
doaj   +1 more source

Implementation of LFP Batteries for Energy Storage at Small hydro power station [PDF]

open access: yesE3S Web of Conferences
With the application of energy storge system (ESS) in large powerplants are become increasingly mature, there’s an absent of small hydropower stations.
Huang Tianshuo
doaj   +1 more source

Optimizing the Layout of Run-of-River Powerplants Using Cubic Hermite Splines and Genetic Algorithms

open access: yesApplied Sciences, 2022
Despite the clear advantages of mini hydropower technology to provide energy access in remote areas of developing countries, the lack of resources and technical training in these contexts usually lead to suboptimal installations that do not exploit the ...
Alejandro Tapia Córdoba   +2 more
doaj   +1 more source

Towards sustainable financing models: A proof-of-concept for a waqf-based alternative financing model for renewable energy investments

open access: yesBorsa Istanbul Review, 2021
This study investigates alternative equity-based financing models and proposes a waqf-owned (that could also be called philanthropy-, endowment-, trust-, foundation-, and third sector-based) financial intermediary (WOFI). We do so by developing the agent-
Ibrahim Ari, Muammer Koc
doaj   +1 more source

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