Articles tagged with Nuclear Power Plants
Researchers from the Double Chooz collaboration have measured antineutrino emission from spent nuclear fuel for the first time. This discovery opens new perspectives for reactor monitoring, nuclear safety, and safeguards.
Researchers at Penn State found that adjusting the atomic arrangement of structural metals in molten salt reactors can significantly affect corrosion rates. The study's findings highlight the importance of material stability and chemical interactions between salts, metals, and mechanical stress.
A University of Manchester Professor has been appointed as an Expert Reviewer for the NDA 2026 Review, led by Dr Tim Stone CBE. The review assesses the NDA's strategic planning, project delivery, and financial management to ensure value for money and highest safety standards.
Researchers developed a 2.4 GHz wireless receiver chip that can withstand up to 500 kGy of radiation, enabling wireless control of robots in ultra-high-radiation environments. The chip's design reduces charge trapping and increases stability under high radiation exposure.
A new study by Harvard T.H. Chan School of Public Health found that US counties near operational nuclear power plants have higher rates of cancer mortality than those farther away. The researchers estimated around 115,000 cancer deaths in the US over the study period attributed to NPP proximity.
Wholesale prices for Fukushima flounder remained stable despite the August 2023 ALPS-treated water discharge, with no significant price decline found in a comprehensive market modeling study. The research provides reassurance for fisheries stakeholders and informs future policy debates on nuclear-water disposal.
Researchers at KTH Royal Institute of Technology found that liquid lead forms an ultrathin film on steel surfaces, driving rapid dissolution and corrosion. The study suggests combining different types of steel to achieve long-lasting protection for next-generation reactors.
MIT engineers have developed a novel palladium membrane that remains stable at high temperatures, enabling more energy-efficient and cheaper production of hydrogen fuel. The new design allows for the separation of hydrogen from gas mixtures at much higher temperatures than conventional membranes.
Century's sustained average power has increased 20x to 39 kilowatts, a major step toward commercial fusion power plants using repetitive pulsed power and liquid metal energy transfer. The platform achieves record-breaking operations with 100 plasma shots at 0.2 Hz.
Researchers found little evidence of disproportionate siting in Black counties, but a growing share of the Black population over time. Long-term demographic shifts after power plant openings led to higher Black population shares, with an average rise of 4% in 50-70 years.
A £13m UK university consortium is developing sustainable technologies for advanced modular reactors, aiming to secure the UK's position in nuclear innovation. The ENLIGHT programme will address key challenges, including sovereign supply of nuclear graphite and managing irradiated waste.
A team of researchers are studying the reproductive traits of Japanese tree frogs living in Fukushima Prefecture, Japan, to understand how radiation affects their survival. Their findings suggest that radiation can disrupt genetic pathways associated with sperm motility, potentially altering reproductive success.
Researchers from the University of Tokyo used ocean model simulations to investigate the long-term tritium distribution after Fukushima's treated water release. The study found that tritium concentrations remain very low, with no significant impact on ocean levels.
A University of Texas-led team has discovered a shortcut to design leak-proof magnetic confinement systems in stellarator reactors, addressing a 70-year-old challenge. This breakthrough enables engineers to simulate the system more efficiently without sacrificing accuracy, paving the way for the development of reliable fusion energy.
Researchers applied web search algorithms to prioritize critical infrastructure protection. The multilayer approach stops failure faster with fewer damaged structures than other methods. It identifies systems with influence going both ways, helping defenders prevent cascade failures.
Researchers analyzed DNA of Chornobyl City and NPP dogs to detect genetic mutations, finding none despite long-term exposure to radiation and other toxins. The study implies that low-level environmental contamination could explain genetic differences between the two dog populations.
A recent study by Norwegian University of Science and Technology found that nuclear energy can lead to a more affordable energy system overall. It can reduce the need for costly power grid expansions and energy storage, while lowering environmental impacts and air pollution.
New research from the University of Michigan shows that small modular nuclear reactors (SMRs) are economically viable and can be deployed by 2050. SMRs have the potential to reduce US carbon dioxide emissions by up to 59 million metric tons annually, making them a low-cost option for meeting energy demands and emission goals.
New research reveals surprising differences in songbirds' diets and gut microbiomes in the Chornobyl Exclusion Zone. Contrary to expectations, birds growing up in radiologically contaminated habitats have a higher diversity of insects in their diet.
An analysis published in Science found that high assay low-enriched uranium (HALEU) fuel can be used directly to make nuclear weapons, posing a significant threat to terrorism and nuclear proliferation. Many proposed reactors could contain enough HALEU to make a nuclear weapon, increasing security risks.
A team from Tokyo Institute of Technology has developed a method to remotely monitor nuclear reactors using antineutrinos. The approach, published in the Journal of Nuclear Science and Technology, could help prevent the manufacturing of materials for nuclear weapons.
Chinese researchers are exploring advanced porous nanomaterials and technologies to reduce radionuclide discharge into the environment. These materials possess high specific surface area, abundant pore structures, exceptional stability, and design flexibility, making them promising candidates for radionuclide removal.
Researchers have found significant amounts of highly radioactive cesium-rich micro-particles in an abandoned school building close to the Fukushima Daiichi Nuclear Power Plant, posing a potential health risk if inhaled. The study highlights the need for thorough cleaning and safety assessments when handling contaminated buildings.
A nine-year study led by Kyoto University found that critical thinking and logical decision-making promoted intelligent attitudes and risk literacy, reducing anxiety and food avoidance among citizens in Tokyo and Kansai regions.
Researchers at Pusan National University have developed high-adsorption phosphates that can efficiently capture radionuclide cesium ions. These phosphates outperform standard adsorbents with record-high adsorption capacities, making them promising candidates for radioactive waste disposal.
A recent MIT study finds that shutting down nuclear power could significantly increase air pollution, with up to 5,200 premature deaths estimated. The study reveals that fossil fuel sources would fill the gap, leading to increased health risks, especially for Black or African American communities.
A recent study published in Environment International found that the mutation rate in trees growing in contaminated areas did not increase significantly due to ambient radiation. The researchers used a new bioinformatics pipeline to evaluate de novo mutations in two widely cultivated tree species, Japanese cedar and flowering cherry.
A group of international scientists warn that nuclear radiation would have catastrophic consequences on ecosystems, including widespread hunger, toxic contamination, and habitat destruction. The authors urge policymakers to take action to mitigate these risks.
A study by Duke University researchers found that rooftop solar cells can save a significant amount of water, with households saving an average of 16,200 gallons per year. Converting to solar in homes reduces the use of grid electricity and therefore also the volume of water used.
Researchers developed a more sensitive approach to detect atomic-level structural damage in materials, enabling longer operational lifetimes for nuclear reactors. The new technique uses differential scanning calorimetry to measure energy changes within materials, revealing two mechanisms involved in radiation damage at elevated tempera...
Researchers found no significant change in Tokyo's consumption-based CO2 emissions, but increased emissions from imported thermal power. Local governments' reported emission data are underestimated due to this shift.
Research provides first direct evidence of volatilization of control rods during the FDNichi meltdowns, suggesting that boron remains in the fuel debris. This could limit fission reactions, but extensive follow-up studies are needed to characterize boron species across debris fragments.
The study reveals that radiation condition, reactor design, and temperature are crucial factors in predicting instability in materials due to radiation. Nanomaterials with fine grain sizes suppress instabilities, making them more radiation-tolerant. The research provides insight into designing safer, more efficient nuclear reactors.
A survey of 1,000 people in five Southeast Asian countries found that more than half were against nuclear energy development. The study suggests that trust in entities and risk perceptions are key factors influencing public opinion on nuclear energy.
A team of researchers from the University of Illinois Urbana-Champaign used advanced machine learning to model the physico-chemical properties of a molten salt compound called FLiNaK, enabling accurate atomic-scale reproduction and prediction of behavior under specific reactor conditions. This computational framework can help character...
Researchers believe that wind and hydropower are the most promising renewable energy sources in Russia, with suitable areas for installation identified. However, the transition to these energy sources has been slow due to reliance on fossil fuels and nuclear energy.
Advanced small modular reactors offer flexible electricity generation and can meet Washington's fluctuating electricity demand. The technology has matured and is economically competitive in a carbon-free electricity sector.
Researchers at Ural Federal University develop clay bricks with added heavy metals that effectively protect against ionizing radiation. The new material is cheaper and more environmentally friendly than existing alternatives, making it suitable for use in nuclear power plants, medical institutions, and other applications.
A newly published IAEA report outlines the benefits of wireless technology in nuclear power plants, enabling safe remote monitoring and reducing risks. Wireless devices act as sensors to monitor process conditions, preventing potential accidents and promoting reliable operation.
Researchers have identified two potassium-independent cesium transporters in plants, which can take up toxic cesium without affecting plant growth. This breakthrough has significant implications for phytoremediation and solving agricultural issues related to radioactive contamination.
Researchers at Nagoya University have discovered a rare mineral in the thick walls of a decommissioned nuclear power plant that increases concrete strength by more than three times. The formation of aluminous tobermorite allows for stronger and more eco-friendly concrete.
A new analysis by MIT researchers details the underlying issues causing cost overruns on US nuclear power plants, highlighting ways to reimagine engineering strategies to reduce delays and expenses. The study suggests that designing plants with resilience to variable construction conditions can help minimize costs.
The Fukushima Daiichi Nuclear Power Plant disaster has left over 1,000 tanks containing contaminated water, with radioactive isotopes including tritium posing significant removal challenges. A full accounting of the remaining isotopes in each tank is needed to assess consequences of releasing them into the ocean.
Argonne National Laboratory will partner with industry to develop tools for advanced reactors, using digital twins to test new technologies and reduce costs. The goal is to make nuclear power more competitive with fossil fuels by drastically reducing operation and maintenance costs.
Researchers at Tomsk Polytechnic University found a way to extend nuclear fuel lifetime by 75% using a thorium-based cycle, significantly increasing safety and reducing costs in remote areas. This breakthrough could provide a stable energy supply solution for hard-to-reach regions.
Local activism can change targets when community activists reach their goals, with success galvanizing activists and inspiring further action. Failure, however, does not lead to decreased mobilization, but rather sparks new protests in other industries.
Researchers propose a new safety barrier for large Light Water Reactors, which they claim could have prevented the devastating accidents at Chernobyl and Fukushima. The barrier is expected to reduce the probability of core melt to that of a large meteorite hitting the site.
Blue Wave AI Labs will develop predictive models of reactor components using billions of nuclear reactor data points, enabling timely and safe replacements. The project aims to create a virtual sensor platform for nuclear reactor operations and maintenance, potentially applicable to future energy-production systems.
The new sCO2 turbine can achieve a 50% efficiency, outperforming conventional CSP systems. It also boasts a compact size and scalability to 450 MW, making it ideal for fossil plant improvement and waste heat recovery.
Researchers at MIT have found a way to quantify the boiling crisis phenomenon, which occurs when bubbles merge on a heated surface, blocking heat transfer. By analyzing patterns and density of bubbles, they can predict when the crisis will occur, potentially allowing for more efficient operation of power plants.
Researchers at UTSA are working on new accident tolerant fuels (ATFs) that will limit overheating and reduce the risk of radioactive leaks. The goal is to replace conventional fuel with a more durable material, enabling nuclear plants to better withstand accidents.
A study found a 10% reduction in monthly birth rates in Fukushima City following the 2011 nuclear disaster, but rates recovered similar to pre-disaster levels after several years. The authors suggest this may indicate post-disaster rebuilding efforts.
A new study developed a novel concept that overcomes the critical heat flux limit, allowing for more efficient cooling in extreme conditions. The researchers discovered that coating hot surfaces with nanoscale bimorphs enhances boiling heat transfer, potentially preventing nuclear power plant accidents.
Rensselaer Polytechnic Institute receives $800K to investigate accident mitigation strategies for nuclear power plants under extreme conditions. The project aims to develop new safety features and solutions to enhance coping time and mitigation capability in accidents.
A new study finds that the shutdown of two nuclear power plants in Pennsylvania will not significantly impact power prices due to low natural gas prices. The research suggests that efficient natural gas power plants have increased capacity, making it difficult for nuclear power to compete with competitive market outcomes.
A new analysis found that construction delays contribute 18% to the costs of building new nuclear power plants, making them more expensive than expected. The study suggests that these extra costs make nuclear projects high-risk investments.
Researchers at Argonne National Laboratory found that nuclear power plants can adjust to changing demand for power, enabling the use of more renewable energy. This flexibility can lower electricity costs for consumers and reduce greenhouse gas emissions.
A UAE research team discovered significantly lower background radiation levels in agricultural topsoil compared to the global average. The study, published in Current Nutrition & Food Science, used gamma-ray spectrometry to measure radiation levels in 145 farm locations across the country.
A Dartmouth study finds that nuclear energy programs have not led to an increase in proliferation among participating countries. Despite the technical ability to develop nuclear weapons, countries with energy programs face political obstacles and international scrutiny that counter this risk.
A new molecular trap, MIL-101-Cr, removes nearly all radioactive iodide from used nuclear fuel rods, exceeding current regulations by up to 0.003 percent. The breakthrough could save on fuel costs worldwide, as the new method is cheaper and more effective than existing industrial adsorbents.