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Showing Results for
- Journal Article:
Bender et al.
Anthropogenic activities and their influences on aquatic systems is an important topic, especially considering the growing interest in using the earth's resources in a sustainable way. One of those anthropogenic activities is the introduction of renewable technologies into the aquatic environment such as instream turbines. Environmental studies around those technologies are often still ongoing…
- Conference Paper:
Gunawan et al.
The primary goal of the Department of Energy’s Water Power Program is to efficiently develop and utilize the country’s marine hydrokinetic (MHK) and conventional hydropower (CH) resources. The program has recently identified the need to better understand the potential for hydrokinetic energy development within existing canal systems that may already have integrated CH plants. Hydrokinetic (HK…
- Report:
Garavelli et al.
The most important concern for permitting tidal and river turbines is the collision risk of marine animals with the turbine blades. Our understanding of the risk to individual fish from colliding with turbine blades is poor; if these collisions were to occur, it is unknown whether fish will sustain recoverable injuries or be killed. Equally unknown is the impact these collisions might have on…
- Journal Article:
Müller et al.
Hydrokinetic turbines such as vertical axis turbines (VATs) may provide decentralised, clean, sustainable energy for remote communities that lack access to the main energy grid or renewable resources. As traditional hydropower adversely alters aquatic ecosystems, it is essential to evaluate the environmental consequences of deploying VATs in riverine ecosystems to meet current and future…
- Journal Article:
Courtney et al.
The development of hydrokinetic turbines has been motivated by the desire to reduce fossil fuel reliance, energy production costs, and greenhouse gas emissions. Detailed information about fish interactions with hydrokinetic turbines is limited; therefore, this study sought to characterize the interactions between a turbine (RivGen; Ocean Renewable Power Company) and Sockeye Salmon …
- Journal Article:
Aristizábal-Tique et al.
At a global level, hydrokinetic power has been considered as a renewable energy source, and it has become an attractive alternative for the rural electrification of non-interconnected areas with the presence of water resources. Aspects such as the low rural electrification rate, the increase in energy demand, the decrease in fossil reserves and the climate change, are some of the factors that…
- Journal Article:
Popescu et al.
The challenge of balancing biodiversity protection with economic growth is epitomized by the development of renewable and unconventional energy, whose adoption is aimed at stemming the impacts of global climate change, yet has outpaced our understanding of biodiversity impacts. We evaluated the potential conflict between biodiversity protection and future electricity generation from renewable…
- Report:
Marine Renewables Canada
Marine renewable energy (MRE) from waves, tides and river currents has been harnessed for centuries – powering mills, transporting nutrient-rich sediment, moving vessels, supporting marine life migration – but only over the past few decades has it become more of a focus for its vast untapped reserve of power. Seventy-one per cent of the Earth’s surface is composed of moving water, all…
- Report:
Matzner et al.
Tidal and instream turbine technologies are currently being investigated for power generation in a variety of locations in the US. An environmental permitting and consenting requirement parallels this exploration generating the need to ensure little or no harm, in the form of strike or collision, befalls marine animals from device deployments. Monitoring methods (e.g., underwater cameras,…
- Project Site:
Uppsala University has developed a directly driven generator for tidal/instream applications. The turbine in operation is a vertical axis turbine with five blades (could be three/four bladed) and a radius of ca 3m and a height of ca 3.5m. On its tripod the turbine reaches 4m above the riverbed. Rotation speed: 15 (max 20) rpm at velocities of 2 m/s.
- Journal Article:
Adeogun et al.
This Hydrokinetic energy system is the process of extracting energy from rivers, canals and others sources to generate small scale electrical energy for decentralized usage. This study investigates the application of Soil and Water Assessment Tool (SWAT) in Geographical Information System (GIS) environment to evaluate the theoretical hydrokinetic energy potentials of selected Rivers (Asa, Awun…
- Conference Paper:
Saini et al.
With the exploitation of most of the conventional hydropower sites, novel and innovative technologies are being developed to harness the hydropower. In this era, hydrokinetic technologies have emerged as the promising solutions to tap the vast hydrokinetic energy available in riverine system. Various studies on the hydrokinetic technology are being carried out. The main issue regarding the…
- Journal Article:
Ridgill et al.
Free-flowing rivers have been impacted by anthropogenic activity and extensive hydropower development. Despite this, many opportunities exist for context-specific energy extraction, at locations deemed undesirable for conventional hydropower plants, in ways that reduce the scale of operation and impact. Hydrokinetic energy conversion is a renewable energy technology that requires accurate…
- Conference Paper:
Khaled et al.
Interest in electricity generation from low carbon technologies and renewable energy has become recently the most discussed concern. The need of sustainable, predictable energy generation has led in recent years to the development of Stream Turbines (ST) and has become a near reality, to reach 20% from the total energy production in France on 2020. Determining the impact of ST on their…
- Journal Article:
Musa et al.
The deployment of in-stream flow-energy converters in rivers is an opportunity to expand the renewable energy portfolio and limit carbon emissions. Device performance and lifetime, environmental conservation, and the safety of fluvial communities against flood events, however, present unresolved challenges. In particular, we need to understand how multiple submerged hydrokinetic turbines…
- Journal Article:
Musa et al.
In-stream hydrokinetic energy conversion devices can be deployed in large scale rivers to produce energy with minimal infrastructure costs. They are however shown to actively interact with the channel bathymetry and sediment transport generating a scour and deposition pattern similar to bridge pier. Symmetric, streamwise, aligned turbine installations have shown to introduce only local effects…
- Project Site:
In 2021 the Port of London Authority (PLA) designated a site in the river to facilitate scale and full-size trials of the types of schemes that could be used in an environment, used and built up as it is of the tidal Thames. Applicants are expected to trial both their scale and full size systems on site, or at least the full-size systems before they can be deployed elsewhere in the Thames to…
- Report:
Federal Energy Regulatory Commission (FERC)
The purpose of the proposed Igiugig Project is two-fold: (1) to evaluate the technical, economic, and environmental viability of Ocean Renewable Power Company’s (ORPC’s) design and the energy generation potential at the proposed project site in the Kvichak River; and (2) to provide a new source of hydroelectric power. Therefore, under the provisions of the Federal Power Act (FPA), the…
- Journal Article:
Copping et al.
Many fish species are threatened worldwide by overfishing, contamination, coastal development, climate change, and other anthropogenic activities. Marine renewable energy (MRE) is under development as a sustainable alternative to carbon-based energy sources. Regulators and stakeholders worry that MRE devices will add another threat to fish populations already under pressure. This paper reviews…
- Journal Article:
Pflugrath et al.
Many riverine fish species disperse downstream as eggs, juveniles, or adults, which can expose them to injury and death at hydraulic structures. Low-head weirs are one example of a structure that can kill fish, and this impact has been shown to be substantially higher for undershot weirs when compared to overshot weirs. In this study, autonomous sensor devices were released at an overshot and…
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