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At the onset of the 21st century, we are searching for reliable and sustainable energy sources that have a potential to support growing economies developing at accelerated growth rates, technology advances improving quality of life and becoming available to larger and larger populations. The quest for robust sustainable energy supplies meeting the above constraints leads us to the nuclear power technology. Today's nuclear reactors are safe and highly efficient energy systems that offer electricity and a multitude of co-generation energy products ranging from potable water to heat for industrial applications. Catastrophic earthquake and tsunami events in Japan resulted in the nuclear accident that forced us to rethink our approach to nuclear safety, requirements and facilitated growing interests in designs, which can withstand natural disasters and avoid catastrophic consequences. This book is one in a series of books on nuclear power published by InTech. It consists of ten chapters on system simulations and operational aspects. Our book does not aim at a complete coverage or a broad range. Instead, the included chapters shine light at existing challenges, solutions and approaches. Authors hope to share ideas and findings so that new ideas and directions can potentially be developed focusing on operational characteristics of nuclear power plants. The consistent thread throughout all chapters is the "system-thinking" approach synthesizing provided information and ideas. The book targets everyone with interests in system simulations and nuclear power operational aspects as its potential readership groups - students, researchers and practitioners.

Nuclear power plants --- Simulation methods. --- Atomic power plants --- Nuclear power stations --- Nuclear facilities --- Power-plants --- Antinuclear movement --- Nuclear energy --- Electrical engineering

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The aim of this book is to disseminate state-of-the-art research and advances in the area of nuclear reactors technology. The book was divided in two parts.Topics discussed in the first part of this compilation include: experimental investigation and computational validation of thermal stratification in PWR reactors piping systems, new methods in doppler broadening function calculation for nuclear reactors fuel temperature, isothermal phase transformation of uranium-zirconium-niobium alloys for advanced nuclear fuel, reactivity Monte Carlo burnup simulations of enriched gadolinium burnable poison for PWR fuel, utilization of thermal analysis technique for study of uranium-molybdenum fuel alloy, probabilistic safety assessment applied to research reactors, and a review on the state-of-the art and current trends of next generation reactors. The second part includes: thermal hydraulics study for a ultra high temperature reactor with packed sphere fuels, benefits in using lead-208 coolant for fast reactors and accelerator driven systems, nuclear power as a basis for future electricity production in the world: Generation III and IV reactors, nanostructural materials and shaped solids for improvement and energetic effectiveness of nuclear reactors safety and radioactive wastes, multilateral nuclear approach to nuclear fuel cycles, and a cold analysis of the Fukushima accident.

Nuclear reactors --- Research --- Technological innovations. --- Atomic piles --- Chain reaction piles --- Reactors (Nuclear physics) --- Neutron transport theory --- Nuclear energy --- Nuclear engineering --- Nuclear facilities --- Nuclear physics --- Nuclear propulsion --- Electrical engineering

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The development of a holistic and integrated project management and planning system is crucial to avoid deviations from the plan and to consider uncertainties in the planning stage of nuclear dismantling projects. Therefore, in the research project MogaMaR characteristics of such projects as well as shortcomings in the current project management were identified. On the basis of these findings, a holistic project management system for nuclear dismantling projects was developed.

Schlussbericht --- Dismantling of nuclear facilities --- Planung Rückbau --- Final report --- Projektmanagementsystem --- Rückbau kerntechnischer Anlagen --- Project management --- Project management system --- Projektmanagement --- Planning of deconstruction

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This report assesses the role that nuclear energy can play in supporting the transition to a low-carbon energy system. It begins by considering the greenhouse gas emissions from the full nuclear fuel cycle, reviewing recent studies on indirect emissions and assessing the impact that nuclear power could make in reducing greenhouse gas emissions. The report provides estimates of the construction rates that would be needed to meet the projected expansion of nuclear power foreseen by many energy scenarios published by international organisations. It then assesses the economic, technical, societal and institutional challenges represented by such an expansion to identify the most significant barriers. The capacity of nuclear power plants to operate in an electricity system with a large share of renewables, and the impact of smart grid technologies are also examined. Finally, long-term prospects for nuclear energy are discussed in terms of development of new reactor and fuel cycle technologies, non-electric applications and new operational and regulatory constraints that could arise as a consequence of climate change.

469 Energie --- 561 Gevaarlijke stoffen --- Duurzame ontwikkeling --- Nuclear energy --- Atomic energy --- Atomic power --- Energy, Atomic --- Energy, Nuclear --- Nuclear power --- Power, Atomic --- Power, Nuclear --- Force and energy --- Nuclear physics --- Power resources --- Nuclear engineering --- Nuclear facilities --- Nuclear power plants

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"Following the devastating Tohoku earthquake and tsunami that afflicted Japan in March 2011, some of the reactors of the Fukushima Dai-Ichi nuclear power plant began to release radioactive material into the environment. This study draws lessons from this experience regarding technological countermeasures to radioactive contamination to improve responses to future radiological or nuclear contingencies. Specifically, it focuses on how technologies were used to measure contamination over space and time, to limit the dispersal of radioactive material in the environment, to decontaminate areas or items, and to store radioactive materials for extended periods. The authors gathered data by conducting extensive literature reviews and dozens of interviews with experts in both Japan and the United States. The report analyzes how technologies were used successfully and identifies capability gaps that could be redressed through novel technologies or improved use of existing technologies. Also included is an abbreviated bibliography for further reading"--Publisher's description.

Fukushima Nuclear Disaster, Japan, 2011. --- Emergency management --- Nuclear power plants --- Technological innovations --- Accidents --- Atomic power plants --- Nuclear power stations --- Nuclear facilities --- Power-plants --- Antinuclear movement --- Nuclear energy --- Consequence management (Emergency management) --- Disaster planning --- Disaster preparedness --- Disaster prevention --- Disaster relief --- Disasters --- Emergencies --- Emergency planning --- Emergency preparedness --- Management --- Public safety --- First responders --- Fukushima I Nuclear Disaster, Japan, 2011 --- Fukushima II Nuclear Disaster, Japan, 2011 --- Fukushima Accident, Japan, 2011 --- Fukushima Daiichi Nuclear Disaster, Japan, 2011 --- Fukushima Daini Nuclear Disaster, Japan, 2011 --- Fukushima Disaster, Japan, 2011 --- Fukushima Nuclear Accident, Japan, 2011 --- Tohoku Earthquake and Tsunami, Japan, 2011 --- Planning --- Preparedness --- Prevention