Results 41 to 50 of about 1,516 (187)

Numerical simulations of biofouling effects on the tidal turbine hydrodynamic

open access: yesInternational Marine Energy Journal, 2018
Biofouling by benthic organisms must be considered for tidal turbine operation and maintenance because it modifies hydrodynamics (drag and resistance) and could be detrimental to the turbine performance.
A. Rivier   +3 more
doaj   +1 more source

Turbine sound may influence the metamorphosis behaviour of estuarine crab megalopae. [PDF]

open access: yesPLoS ONE, 2012
It is now widely accepted that a shift towards renewable energy production is needed in order to avoid further anthropogenically induced climate change. The ocean provides a largely untapped source of renewable energy.
Matthew K Pine   +2 more
doaj   +1 more source

Hydrodynamic Performance Analysis on Different Airfoils of Straight Blade H Type of Vertical Axis Tidal Current Energy Turbine

open access: yesMATEC Web of Conferences, 2016
Airfoil is a key factor that influences the hydrodynamic performance of vertical axis tidal current energy turbine. In order to explore the influences from the runner’s blade airfoil towards its hydrodynamic performance, three-dimensional unsteady flow ...
Kan Kan   +5 more
doaj   +1 more source

Lifetime Analysis of IGBT Power Modules in Passively Cooled Tidal Turbine Converters

open access: yesEnergies, 2020
Thermal cycling is one of the major reasons for failure in power electronic converters. For submerged tidal turbine converters investigating this failure mode is critical in improving the reliability, and minimizing the cost of energy from tidal turbines.
Faisal Wani   +6 more
doaj   +1 more source

EFFICIENCY OF TIDAL TURBINE FARMS [PDF]

open access: yesCoastal Engineering Proceedings, 2012
The paper investigates the efficiency of tidal turbine farms and looks at the effects of various parameters. Numerical modelling and analytic solutions are used. The two methods are compared and differences highlighted. Some loose guidelines are included.
Colin Christian, Ross Vennel
openaire   +1 more source

Unlocking Hydrokinetic Energy in the Brazilian Amazon: A Statistical Resource Assessment and Economic Feasibility Analysis

open access: yesEnergy Science &Engineering, EarlyView.
This study develops a spatial and technical framework to evaluate hydrokinetic energy potential in the Amazon as a sustainable alternative to diesel‐based systems. By modeling regional resources, we demonstrate that hydrokinetic sources offer a cleaner, economically competitive solution for displacing fossil fuels in remote riverine communities ...
Ana Cláudia Pinto Ferraz   +4 more
wiley   +1 more source

From Map Follower to Navigator: Archetypes of Environmental Impact Assessment

open access: yesSystems Research and Behavioral Science, EarlyView.
ABSTRACT Environmental impact assessment (EIA) scholarship is commonly framed as a tension between efficiency and comprehensiveness paradigms. These paradigms describe a persistent tension but cannot explain how EIA operates through it. Drawing on social systems theory, this analysis traces that operation.
Kenneth Kang
wiley   +1 more source

Movement Responses of Seals During Pile Driving for Offshore Wind Farm Construction

open access: yesAnimal Conservation, EarlyView.
Despite rapid growth of the renewable energy industry to meet climate change targets, predictions of population‐level impacts on wildlife are currently hindered by a limited understanding of individual behavioural responses to these developments.
Katherine F. Whyte   +4 more
wiley   +1 more source

Modeling and Predicting Uncertainty in Tidal Turbine Power Output: A Data-Driven Time-Series Approach

open access: yesIEEE Access
The integration of sustainable energy sources into modern power grids is crucial for achieving a more resilient, equitable, and environmentally sustainable electricity infrastructure.
Niousha Talebpour, Mohammad Ilbeigi
doaj   +1 more source

Experimental Analysis and Evaluation of the Numerical Prediction of Wake Characteristics of Tidal Stream Turbine

open access: yesEnergies, 2017
It is important to understand tidal stream turbine performance and flow field, if tidal energy is to advance. The operating condition of a tidal stream turbine with a supporting structure has a significant impact on its performance and wake recovery. The
Yuquan Zhang   +5 more
doaj   +1 more source

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